Remove feature check ifdefs

* lang/cpp/src/assuanresult.cpp,
 lang/cpp/src/callbacks.cpp,
 lang/cpp/src/configuration.cpp,
 lang/cpp/src/context.cpp,
 lang/cpp/src/context_glib.cpp,
 lang/cpp/src/context_qt.cpp,
 lang/cpp/src/context_vanilla.cpp,
 lang/cpp/src/data.cpp,
 lang/cpp/src/decryptionresult.cpp,
 lang/cpp/src/defaultassuantransaction.cpp,
 lang/cpp/src/editinteractor.cpp,
 lang/cpp/src/encryptionresult.cpp,
 lang/cpp/src/engineinfo.cpp,
 lang/cpp/src/eventloopinteractor.cpp,
 lang/cpp/src/global.h,
 lang/cpp/src/gpgagentgetinfoassuantransaction.cpp,
 lang/cpp/src/importresult.cpp,
 lang/cpp/src/interfaces/assuantransaction.h,
 lang/cpp/src/key.cpp,
 lang/cpp/src/keygenerationresult.cpp,
 lang/cpp/src/keylistresult.cpp,
 lang/cpp/src/scdgetinfoassuantransaction.cpp,
 lang/cpp/src/signingresult.cpp,
 lang/cpp/src/trustitem.cpp,
 lang/cpp/src/util.h,
 lang/cpp/src/verificationresult.cpp,
 lang/cpp/src/vfsmountresult.cpp: Remove feature checks.

27 files changed, 12 insertions, 692 deletions

diff --git a/lang/cpp/src/assuanresult.cpp b/lang/cpp/src/assuanresult.cpp
index 056aefb3..3d6d0a3a 100644
--- a/lang/cpp/src/assuanresult.cpp
+++ b/lang/cpp/src/assuanresult.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <assuanresult.h>
 #include "result_p.h"
 
@@ -31,7 +29,6 @@
 
 using namespace GpgME;
 
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
 class AssuanResult::Private
 {
 public:
@@ -45,7 +42,6 @@ public:
 
     gpgme_error_t error;
 };
-#endif
 
 AssuanResult::AssuanResult(gpgme_ctx_t ctx, int error)
     : Result(error), d()
@@ -62,7 +58,6 @@ AssuanResult::AssuanResult(gpgme_ctx_t ctx, const Error &error)
 void AssuanResult::init(gpgme_ctx_t ctx)
 {
     (void)ctx;
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
     if (!ctx) {
         return;
     }
@@ -71,18 +66,15 @@ void AssuanResult::init(gpgme_ctx_t ctx)
         return;
     }
     d.reset(new Private(res));
-#endif
 }
 
 make_standard_stuff(AssuanResult)
 
 Error AssuanResult::assuanError() const
 {
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
     if (d) {
         return Error(d->error);
     }
-#endif
     return Error();
 }
 
diff --git a/lang/cpp/src/callbacks.cpp b/lang/cpp/src/callbacks.cpp
index 091975d7..4b4dd806 100644
--- a/lang/cpp/src/callbacks.cpp
+++ b/lang/cpp/src/callbacks.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "callbacks.h"
 #include "util.h"
 
@@ -39,21 +37,9 @@
 #include <unistd.h>
 #include <stdlib.h>
 
-#ifndef HAVE_GPGME_SSIZE_T
-# define gpgme_ssize_t ssize_t
-#endif
-
-#ifndef HAVE_GPGME_OFF_T
-# define gpgme_off_t off_t
-#endif
-
 static inline gpgme_error_t make_err_from_syserror()
 {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     return gpgme_error_from_syserror();
-#else
-    return gpg_error_from_syserror();
-#endif
 }
 
 using GpgME::ProgressProvider;
@@ -92,11 +78,7 @@ gpgme_error_t passphrase_callback(void *opaque, const char *uid_hint, const char
             size_t passphrase_length = std::strlen(passphrase);
             size_t written = 0;
             do {
-#ifdef HAVE_GPGME_IO_READWRITE
                 ssize_t now_written = gpgme_io_write(fd, passphrase + written, passphrase_length - written);
-#else
-                ssize_t now_written = write(fd, passphrase + written, passphrase_length - written);
-#endif
                 if (now_written < 0) {
                     err = make_err_from_syserror();
                     break;
@@ -110,11 +92,7 @@ gpgme_error_t passphrase_callback(void *opaque, const char *uid_hint, const char
         wipememory(passphrase, std::strlen(passphrase));
     }
     free(passphrase);
-#ifdef HAVE_GPGME_IO_READWRITE
     gpgme_io_write(fd, "\n", 1);
-#else
-    write(fd, "\n", 1);
-#endif
     return err;
 }
 
@@ -123,11 +101,7 @@ data_read_callback(void *opaque, void *buf, size_t buflen)
 {
     DataProvider *provider = static_cast<DataProvider *>(opaque);
     if (!provider) {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
         gpgme_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#else
-        gpg_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#endif
         return -1;
     }
     return (gpgme_ssize_t)provider->read(buf, buflen);
@@ -138,11 +112,7 @@ data_write_callback(void *opaque, const void *buf, size_t buflen)
 {
     DataProvider *provider = static_cast<DataProvider *>(opaque);
     if (!provider) {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
         gpgme_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#else
-        gpg_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#endif
         return -1;
     }
     return (gpgme_ssize_t)provider->write(buf, buflen);
@@ -153,19 +123,11 @@ data_seek_callback(void *opaque, gpgme_off_t offset, int whence)
 {
     DataProvider *provider = static_cast<DataProvider *>(opaque);
     if (!provider) {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
         gpgme_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#else
-        gpg_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#endif
         return -1;
     }
     if (whence != SEEK_SET && whence != SEEK_CUR && whence != SEEK_END) {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
         gpgme_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#else
-        gpg_err_set_errno(gpgme_err_code_to_errno(GPG_ERR_EINVAL));
-#endif
         return -1;
     }
     return provider->seek((off_t)offset, whence);
diff --git a/lang/cpp/src/configuration.cpp b/lang/cpp/src/configuration.cpp
index fc19020e..8a23efcf 100644
--- a/lang/cpp/src/configuration.cpp
+++ b/lang/cpp/src/configuration.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "configuration.h"
 #include "error.h"
 #include "util.h"
@@ -58,7 +56,6 @@ struct nodelete {
 std::vector<Component> Component::load(Error &returnedError)
 {
 
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     //
     // 1. get a context:
     //
@@ -101,16 +98,11 @@ std::vector<Component> Component::load(Error &returnedError)
     }
 
     return result;
-#else
-    returnedError = Error(make_error(GPG_ERR_NOT_SUPPORTED));
-    return std::vector<Component>();
-#endif
 }
 
 Error Component::save() const
 {
 
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Error(make_error(GPG_ERR_INV_ARG));
     }
@@ -128,41 +120,25 @@ Error Component::save() const
     // 2. save the config:
     //
     return Error(gpgme_op_conf_save(ctx.get(), comp.get()));
-#else
-    return Error(make_error(GPG_ERR_NOT_SUPPORTED));
-#endif
 }
 
 const char *Component::name() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return comp ? comp->name : 0 ;
-#else
-    return 0;
-#endif
 }
 
 const char *Component::description() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return comp ? comp->description : 0 ;
-#else
-    return 0;
-#endif
 }
 
 const char *Component::programName() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return comp ? comp->program_name : 0 ;
-#else
-    return 0;
-#endif
 }
 
 Option Component::option(unsigned int idx) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     gpgme_conf_opt_t opt = 0;
     if (comp) {
         opt = comp->options;
@@ -173,17 +149,12 @@ Option Component::option(unsigned int idx) const
     }
     if (opt) {
         return Option(comp, opt);
-    } else {
-#endif
-        return Option();
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     }
-#endif
+    return Option();
 }
 
 Option Component::option(const char *name) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     gpgme_conf_opt_t opt = 0;
     if (comp) {
         opt = comp->options;
@@ -194,37 +165,28 @@ Option Component::option(const char *name) const
     }
     if (opt) {
         return Option(comp, opt);
-    } else {
-#endif
-        return Option();
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     }
-#endif
+    return Option();
 }
 
 unsigned int Component::numOptions() const
 {
     unsigned int result = 0;
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     for (gpgme_conf_opt_t opt = comp ? comp->options : 0 ; opt ; opt = opt->next) {
         ++result;
     }
-#endif
     return result;
 }
 
 std::vector<Option> Component::options() const
 {
     std::vector<Option> result;
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     for (gpgme_conf_opt_t opt = comp ? comp->options : 0 ; opt ; opt = opt->next) {
         result.push_back(Option(comp, opt));
     }
-#endif
     return result;
 }
 
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
 static gpgme_conf_arg_t mygpgme_conf_arg_copy(gpgme_conf_arg_t other, gpgme_conf_type_t type)
 {
     gpgme_conf_arg_t result = 0, last = 0;
@@ -249,7 +211,6 @@ static gpgme_conf_arg_t mygpgme_conf_arg_copy(gpgme_conf_arg_t other, gpgme_conf
     }
     return result;
 }
-#endif
 
 Component Option::parent() const
 {
@@ -258,65 +219,37 @@ Component Option::parent() const
 
 unsigned int Option::flags() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? 0 : opt->flags;
-#else
-    return 0;
-#endif
 }
 
 Level Option::level() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? Internal : static_cast<Level>(opt->level) ;
-#else
-    return Internal;
-#endif
 }
 
 const char *Option::name() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? 0 : opt->name ;
-#else
-    return 0;
-#endif
 }
 
 const char *Option::description() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? 0 : opt->description ;
-#else
-    return 0;
-#endif
 }
 
 const char *Option::argumentName() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? 0 : opt->argname ;
-#else
-    return 0;
-#endif
 }
 
 Type Option::type() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? NoType : static_cast<Type>(opt->type) ;
-#else
-    return NoType;
-#endif
 }
 
 Type Option::alternateType() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? NoType : static_cast<Type>(opt->alt_type) ;
-#else
-    return NoType;
-#endif
 }
 
 #if 0
@@ -473,64 +406,43 @@ optional<Option::Variant> Option::defaultValue() const
 
 Argument Option::defaultValue() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, opt->default_value, false);
     }
-#else
-    return Argument();
-#endif
 }
 
 const char *Option::defaultDescription() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? 0 : opt->default_description ;
-#else
-    return 0;
-#endif
 }
 
 Argument Option::noArgumentValue() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, opt->no_arg_value, false);
     }
-#else
-    return Argument();
-#endif
 }
 
 const char *Option::noArgumentDescription() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return isNull() ? 0 : opt->no_arg_description ;
-#else
-    return 0;
-#endif
 }
 
 Argument Option::activeValue() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, opt->value, false);
     }
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::currentValue() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Argument();
     }
@@ -539,27 +451,19 @@ Argument Option::currentValue() const
         opt->value        ? opt->value :
         /* else */          opt->default_value ;
     return Argument(comp.lock(), opt, arg, false);
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::newValue() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, opt->new_value, false);
     }
-#else
-    return Argument();
-#endif
 }
 
 bool Option::set() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return false;
     } else if (opt->change_value) {
@@ -567,23 +471,15 @@ bool Option::set() const
     } else {
         return opt->value;
     }
-#else
-    return false;
-#endif
 }
 
 bool Option::dirty() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return !isNull() && opt->change_value ;
-#else
-    return false;
-#endif
 }
 
 Error Option::setNewValue(const Argument &argument)
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Error(make_error(GPG_ERR_INV_ARG));
     } else if (argument.isNull()) {
@@ -593,126 +489,84 @@ Error Option::setNewValue(const Argument &argument)
     } else {
         return Error(make_error(GPG_ERR_ENOMEM));
     }
-#else
-    return Error(make_error(GPG_ERR_NOT_SUPPORTED));
-#endif
 }
 
 Error Option::resetToActiveValue()
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Error(make_error(GPG_ERR_INV_ARG));
     } else {
         return Error(gpgme_conf_opt_change(opt, 1, 0));
     }
-#else
-    return Error(make_error(GPG_ERR_NOT_SUPPORTED));
-#endif
 }
 
 Error Option::resetToDefaultValue()
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull()) {
         return Error(make_error(GPG_ERR_INV_ARG));
     } else {
         return Error(gpgme_conf_opt_change(opt, 0, 0));
     }
-#else
-    return Error(make_error(GPG_ERR_NOT_SUPPORTED));
-#endif
 }
 
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
 static gpgme_conf_arg_t make_argument(gpgme_conf_type_t type, const void *value)
 {
     gpgme_conf_arg_t arg = 0;
-#ifdef HAVE_GPGME_CONF_ARG_NEW_WITH_CONST_VALUE
     if (const gpgme_error_t err = gpgme_conf_arg_new(&arg, type, value)) {
         return 0;
-    }
-#else
-    if (const gpgme_error_t err = gpgme_conf_arg_new(&arg, type, const_cast<void *>(value))) {
-        return 0;
-    }
-#endif
-    else {
+    } else {
         return arg;
     }
 }
-#endif
 
 Argument Option::createNoneArgument(bool set) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || alternateType() != NoType) {
         return Argument();
     } else {
         if (set) {
             return createNoneListArgument(1);
-        } else {
-#endif
-            return Argument();
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
         }
     }
-#endif
+    return Argument();
 }
 
 Argument Option::createStringArgument(const char *value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || alternateType() != StringType) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, make_argument(GPGME_CONF_STRING, value), true);
     }
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::createStringArgument(const std::string &value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || alternateType() != StringType) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, make_argument(GPGME_CONF_STRING, value.c_str()), true);
     }
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::createIntArgument(int value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || alternateType() != IntegerType) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, make_argument(GPGME_CONF_INT32, &value), true);
     }
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::createUIntArgument(unsigned int value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || alternateType() != UnsignedIntegerType) {
         return Argument();
     } else {
         return Argument(comp.lock(), opt, make_argument(GPGME_CONF_UINT32, &value), true);
     }
-#else
-    return Argument();
-#endif
 }
 
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
 namespace
 {
 const void *to_void_star(const char *s)
@@ -749,65 +603,39 @@ gpgme_conf_arg_t make_argument(gpgme_conf_type_t type, const std::vector<T> &val
     return result;
 }
 }
-#endif
 
 Argument Option::createNoneListArgument(unsigned int value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (value) {
         return Argument(comp.lock(), opt, make_argument(GPGME_CONF_NONE, &value), true);
-    } else {
-#endif
-        return Argument();
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     }
-#endif
+    return Argument();
 }
 
 Argument Option::createStringListArgument(const std::vector<const char *> &value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return Argument(comp.lock(), opt, make_argument(GPGME_CONF_STRING, value), true);
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::createStringListArgument(const std::vector<std::string> &value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return Argument(comp.lock(), opt, make_argument(GPGME_CONF_STRING, value), true);
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::createIntListArgument(const std::vector<int> &value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return Argument(comp.lock(), opt, make_argument(GPGME_CONF_INT32, value), true);
-#else
-    return Argument();
-#endif
 }
 
 Argument Option::createUIntListArgument(const std::vector<unsigned int> &value) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     return Argument(comp.lock(), opt, make_argument(GPGME_CONF_UINT32, value), true);
-#else
-    return Argument();
-#endif
 }
 
 Argument::Argument(const shared_gpgme_conf_comp_t &comp, gpgme_conf_opt_t opt, gpgme_conf_arg_t arg, bool owns)
     : comp(comp),
       opt(opt),
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
       arg(owns ? arg : mygpgme_conf_arg_copy(arg, opt ? opt->alt_type : GPGME_CONF_NONE))
-#else
-      arg(0)
-#endif
 {
 
 }
@@ -825,20 +653,14 @@ Argument::Argument(const shared_gpgme_conf_comp_t &comp, gpgme_conf_opt_t opt, g
 Argument::Argument(const Argument &other)
     : comp(other.comp),
       opt(other.opt),
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
       arg(mygpgme_conf_arg_copy(other.arg, opt ? opt->alt_type : GPGME_CONF_NONE))
-#else
-      arg(0)
-#endif
 {
 
 }
 
 Argument::~Argument()
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     gpgme_conf_arg_release(arg, opt ? opt->alt_type : GPGME_CONF_NONE);
-#endif
 }
 
 Option Argument::parent() const
@@ -857,17 +679,14 @@ unsigned int Argument::numElements() const
         return 0;
     }
     unsigned int result = 0;
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     for (gpgme_conf_arg_t a = arg ; a ; a = a->next) {
         ++result;
     }
-#endif
     return result;
 }
 
 const char *Argument::stringValue(unsigned int idx) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || opt->alt_type != GPGME_CONF_STRING) {
         return 0;
     }
@@ -877,14 +696,10 @@ const char *Argument::stringValue(unsigned int idx) const
         --idx;
     }
     return a ? a->value.string : 0 ;
-#else
-    return 0;
-#endif
 }
 
 int Argument::intValue(unsigned int idx) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || opt->alt_type != GPGME_CONF_INT32) {
         return 0;
     }
@@ -894,14 +709,10 @@ int Argument::intValue(unsigned int idx) const
         --idx;
     }
     return a ? a->value.int32 : 0 ;
-#else
-    return 0;
-#endif
 }
 
 unsigned int Argument::uintValue(unsigned int idx) const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || opt->alt_type != GPGME_CONF_UINT32) {
         return 0;
     }
@@ -911,21 +722,14 @@ unsigned int Argument::uintValue(unsigned int idx) const
         --idx;
     }
     return a ? a->value.uint32 : 0 ;
-#else
-    return 0;
-#endif
 }
 
 unsigned int Argument::numberOfTimesSet() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || opt->alt_type != GPGME_CONF_NONE) {
         return 0;
     }
     return arg->value.count;
-#else
-    return 0;
-#endif
 }
 
 std::vector<const char *> Argument::stringValues() const
@@ -942,33 +746,25 @@ std::vector<const char *> Argument::stringValues() const
 
 std::vector<int> Argument::intValues() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || opt->alt_type != GPGME_CONF_INT32) {
         return std::vector<int>();
     }
-#endif
     std::vector<int> result;
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     for (gpgme_conf_arg_t a = arg ; a ; a = a->next) {
         result.push_back(a->value.int32);
     }
-#endif
     return result;
 }
 
 std::vector<unsigned int> Argument::uintValues() const
 {
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     if (isNull() || opt->alt_type != GPGME_CONF_UINT32) {
         return std::vector<unsigned int>();
     }
-#endif
     std::vector<unsigned int> result;
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
     for (gpgme_conf_arg_t a = arg ; a ; a = a->next) {
         result.push_back(a->value.uint32);
     }
-#endif
     return result;
 }
 
diff --git a/lang/cpp/src/context.cpp b/lang/cpp/src/context.cpp
index ab633d7a..398836c9 100644
--- a/lang/cpp/src/context.cpp
+++ b/lang/cpp/src/context.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include "config-gpgme++.h"
-
 #include <context.h>
 #include <eventloopinteractor.h>
 #include <trustitem.h>
@@ -58,8 +56,6 @@ using std::endl;
 
 #include <cassert>
 
-#include <qglobal.h>
-
 namespace GpgME
 {
 
@@ -77,7 +73,6 @@ static inline int xtoi_2(const char *str)
     return xtoi_1(str) * 16U + xtoi_1(str + 1);
 }
 
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
 static void percent_unescape(std::string &s, bool plus2space)
 {
     std::string::iterator src = s.begin(), dest = s.begin(), end = s.end();
@@ -94,7 +89,6 @@ static void percent_unescape(std::string &s, bool plus2space)
     }
     s.erase(dest, end);
 }
-#endif
 
 void initializeLibrary()
 {
@@ -158,11 +152,7 @@ int Error::toErrno() const
 // static
 bool Error::hasSystemError()
 {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     return gpgme_err_code_from_syserror() == GPG_ERR_MISSING_ERRNO ;
-#else
-    return gpg_err_code_from_syserror() == GPG_ERR_MISSING_ERRNO ;
-#endif
 }
 
 // static
@@ -174,41 +164,25 @@ void Error::setSystemError(gpg_err_code_t err)
 // static
 void Error::setErrno(int err)
 {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     gpgme_err_set_errno(err);
-#else
-    gpg_err_set_errno(err);
-#endif
 }
 
 // static
 Error Error::fromSystemError(unsigned int src)
 {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     return Error(gpgme_err_make(static_cast<gpgme_err_source_t>(src), gpgme_err_code_from_syserror()));
-#else
-    return Error(gpg_err_make(static_cast<gpg_err_source_t>(src), gpg_err_code_from_syserror()));
-#endif
 }
 
 // static
 Error Error::fromErrno(int err, unsigned int src)
 {
-//#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     return Error(gpgme_err_make(static_cast<gpgme_err_source_t>(src), gpgme_err_code_from_errno(err)));
-//#else
-//    return Error( gpg_err_make( static_cast<gpg_err_source_t>( src ), gpg_err_from_from_errno( err ) ) );
-//#endif
 }
 
 // static
 Error Error::fromCode(unsigned int err, unsigned int src)
 {
-//#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     return Error(gpgme_err_make(static_cast<gpgme_err_source_t>(src), static_cast<gpgme_err_code_t>(err)));
-//#else
-//    return Error( gpg_err_make( static_cast<gpg_err_source_t>( src ), static_cast<gpgme_err_code_t>( err ) ) );
-//#endif
 }
 
 std::ostream &operator<<(std::ostream &os, const Error &err)
@@ -264,7 +238,6 @@ std::auto_ptr<Context> Context::createForEngine(Engine eng, Error *error)
 
     switch (eng) {
     case AssuanEngine:
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
         if (const gpgme_error_t err = gpgme_set_protocol(ctx, GPGME_PROTOCOL_ASSUAN)) {
             gpgme_release(ctx);
             if (error) {
@@ -273,14 +246,7 @@ std::auto_ptr<Context> Context::createForEngine(Engine eng, Error *error)
             return std::auto_ptr<Context>();
         }
         break;
-#else
-        if (error) {
-            *error = Error::fromCode(GPG_ERR_NOT_SUPPORTED);
-        }
-        return std::auto_ptr<Context>();
-#endif
     case G13Engine:
-#ifdef HAVE_GPGME_G13_VFS
         if (const gpgme_error_t err = gpgme_set_protocol(ctx, GPGME_PROTOCOL_G13)) {
             gpgme_release(ctx);
             if (error) {
@@ -289,12 +255,6 @@ std::auto_ptr<Context> Context::createForEngine(Engine eng, Error *error)
             return std::auto_ptr<Context>();
         }
         break;
-#else
-        if (error) {
-            *error = Error::fromCode(GPG_ERR_NOT_SUPPORTED);
-        }
-        return std::auto_ptr<Context>();
-#endif
     default:
         if (error) {
             *error = Error::fromCode(GPG_ERR_INV_ARG);
@@ -373,29 +333,17 @@ bool Context::textMode() const
 
 void Context::setOffline(bool useOfflineMode)
 {
-#ifdef HAVE_GPGME_CTX_OFFLINE
     gpgme_set_offline(d->ctx, int(useOfflineMode));
-#else
-    Q_UNUSED(useOfflineMode);
-#endif
 }
 bool Context::offline() const
 {
-#ifdef HAVE_GPGME_CTX_OFFLINE
     return gpgme_get_offline(d->ctx);
-#else
-    return false;
-#endif
 }
 
 void Context::setIncludeCertificates(int which)
 {
     if (which == DefaultCertificates) {
-#ifdef HAVE_GPGME_INCLUDE_CERTS_DEFAULT
         which = GPGME_INCLUDE_CERTS_DEFAULT;
-#else
-        which = 1;
-#endif
     }
     gpgme_set_include_certs(d->ctx, which);
 }
@@ -492,31 +440,19 @@ Error Context::setLocale(int cat, const char *val)
 
 EngineInfo Context::engineInfo() const
 {
-#ifdef HAVE_GPGME_CTX_GETSET_ENGINE_INFO
     return EngineInfo(gpgme_ctx_get_engine_info(d->ctx));
-#else
-    return EngineInfo();
-#endif
 }
 
 Error Context::setEngineFileName(const char *filename)
 {
-#ifdef HAVE_GPGME_CTX_GETSET_ENGINE_INFO
     const char *const home_dir = engineInfo().homeDirectory();
     return Error(gpgme_ctx_set_engine_info(d->ctx, gpgme_get_protocol(d->ctx), filename, home_dir));
-#else
-    return Error::fromCode(GPG_ERR_NOT_IMPLEMENTED);
-#endif
 }
 
 Error Context::setEngineHomeDirectory(const char *home_dir)
 {
-#ifdef HAVE_GPGME_CTX_GETSET_ENGINE_INFO
     const char *const filename = engineInfo().fileName();
     return Error(gpgme_ctx_set_engine_info(d->ctx, gpgme_get_protocol(d->ctx), filename, home_dir));
-#else
-    return Error::fromCode(GPG_ERR_NOT_IMPLEMENTED);
-#endif
 }
 
 //
@@ -648,7 +584,6 @@ ImportResult Context::importKeys(const std::vector<Key> &kk)
     d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED);
 
     bool shouldHaveResult = false;
-#ifdef HAVE_GPGME_OP_IMPORT_KEYS
     const boost::scoped_array<gpgme_key_t> keys(new gpgme_key_t[ kk.size() + 1 ]);
     gpgme_key_t *keys_it = &keys[0];
     for (std::vector<Key>::const_iterator it = kk.begin(), end = kk.end() ; it != end ; ++it) {
@@ -659,7 +594,6 @@ ImportResult Context::importKeys(const std::vector<Key> &kk)
     *keys_it++ = 0;
     d->lasterr = gpgme_op_import_keys(d->ctx, keys.get());
     shouldHaveResult = true;
-#endif
     if ((gpgme_err_code(d->lasterr) == GPG_ERR_NOT_IMPLEMENTED ||
             gpgme_err_code(d->lasterr) == GPG_ERR_NOT_SUPPORTED) &&
             protocol() == CMS) {
@@ -706,7 +640,6 @@ Error Context::startKeyImport(const Data &data)
 Error Context::startKeyImport(const std::vector<Key> &kk)
 {
     d->lastop = Private::Import;
-#ifdef HAVE_GPGME_OP_IMPORT_KEYS
     const boost::scoped_array<gpgme_key_t> keys(new gpgme_key_t[ kk.size() + 1 ]);
     gpgme_key_t *keys_it = &keys[0];
     for (std::vector<Key>::const_iterator it = kk.begin(), end = kk.end() ; it != end ; ++it) {
@@ -716,10 +649,6 @@ Error Context::startKeyImport(const std::vector<Key> &kk)
     }
     *keys_it++ = 0;
     return Error(d->lasterr = gpgme_op_import_keys_start(d->ctx, keys.get()));
-#else
-    (void)kk;
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 ImportResult Context::importResult() const
@@ -746,23 +675,13 @@ Error Context::startKeyDeletion(const Key &key, bool allowSecretKeyDeletion)
 Error Context::passwd(const Key &key)
 {
     d->lastop = Private::Passwd;
-#ifdef HAVE_GPGME_OP_PASSWD
     return Error(d->lasterr = gpgme_op_passwd(d->ctx, key.impl(), 0U));
-#else
-    (void)key;
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 Error Context::startPasswd(const Key &key)
 {
     d->lastop = Private::Passwd;
-#ifdef HAVE_GPGME_OP_PASSWD
     return Error(d->lasterr = gpgme_op_passwd_start(d->ctx, key.impl(), 0U));
-#else
-    (void)key;
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 Error Context::edit(const Key &key, std::auto_ptr<EditInteractor> func, Data &data)
@@ -847,7 +766,6 @@ Error Context::endTrustItemListing()
     return Error(d->lasterr = gpgme_op_trustlist_end(d->ctx));
 }
 
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
 static gpgme_error_t assuan_transaction_data_callback(void *opaque, const void *data, size_t datalen)
 {
     assert(opaque);
@@ -881,7 +799,6 @@ static gpgme_error_t assuan_transaction_status_callback(void *opaque, const char
     percent_unescape(a, true);   // ### why doesn't gpgme do this??
     return t->status(status, a.c_str()).encodedError();
 }
-#endif
 
 AssuanResult Context::assuanTransact(const char *command)
 {
@@ -895,7 +812,6 @@ AssuanResult Context::assuanTransact(const char *command, std::auto_ptr<AssuanTr
     if (!d->lastAssuanTransaction.get()) {
         return AssuanResult(Error(d->lasterr = make_error(GPG_ERR_INV_ARG)));
     }
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
     d->lasterr = gpgme_op_assuan_transact(d->ctx, command,
                                           assuan_transaction_data_callback,
                                           d->lastAssuanTransaction.get(),
@@ -903,10 +819,6 @@ AssuanResult Context::assuanTransact(const char *command, std::auto_ptr<AssuanTr
                                           d, // sic!
                                           assuan_transaction_status_callback,
                                           d->lastAssuanTransaction.get());
-#else
-    (void)command;
-    d->lasterr = make_error(GPG_ERR_NOT_SUPPORTED);
-#endif
     return AssuanResult(d->ctx, d->lasterr);
 }
 
@@ -922,7 +834,6 @@ Error Context::startAssuanTransaction(const char *command, std::auto_ptr<AssuanT
     if (!d->lastAssuanTransaction.get()) {
         return Error(d->lasterr = make_error(GPG_ERR_INV_ARG));
     }
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
     return Error(d->lasterr = gpgme_op_assuan_transact_start(d->ctx, command,
                               assuan_transaction_data_callback,
                               d->lastAssuanTransaction.get(),
@@ -930,10 +841,6 @@ Error Context::startAssuanTransaction(const char *command, std::auto_ptr<AssuanT
                               d, // sic!
                               assuan_transaction_status_callback,
                               d->lastAssuanTransaction.get()));
-#else
-    (void)command;
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_SUPPORTED));
-#endif
 }
 
 AssuanResult Context::assuanResult() const
@@ -1042,7 +949,6 @@ Error Context::startCombinedDecryptionAndVerification(const Data &cipherText, Da
     return Error(d->lasterr = gpgme_op_decrypt_verify_start(d->ctx, cdp ? cdp->data : 0, pdp ? pdp->data : 0));
 }
 
-#ifdef HAVE_GPGME_OP_GETAUDITLOG
 unsigned int to_auditlog_flags(unsigned int flags)
 {
     unsigned int result = 0;
@@ -1054,30 +960,19 @@ unsigned int to_auditlog_flags(unsigned int flags)
     }
     return result;
 }
-#endif // HAVE_GPGME_OP_GETAUDITLOG
 
 Error Context::startGetAuditLog(Data &output, unsigned int flags)
 {
     d->lastop = Private::GetAuditLog;
-#ifdef HAVE_GPGME_OP_GETAUDITLOG
     Data::Private *const odp = output.impl();
     return Error(d->lasterr = gpgme_op_getauditlog_start(d->ctx, odp ? odp->data : 0, to_auditlog_flags(flags)));
-#else
-    (void)output; (void)flags;
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 Error Context::getAuditLog(Data &output, unsigned int flags)
 {
     d->lastop = Private::GetAuditLog;
-#ifdef HAVE_GPGME_OP_GETAUDITLOG
     Data::Private *const odp = output.impl();
     return Error(d->lasterr = gpgme_op_getauditlog(d->ctx, odp ? odp->data : 0, to_auditlog_flags(flags)));
-#else
-    (void)output; (void)flags;
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 void Context::clearSigningKeys()
@@ -1108,46 +1003,30 @@ std::vector<Key> Context::signingKeys() const
 
 void Context::clearSignatureNotations()
 {
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
     gpgme_sig_notation_clear(d->ctx);
-#endif
 }
 
 GpgME::Error Context::addSignatureNotation(const char *name, const char *value, unsigned int flags)
 {
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
     return Error(gpgme_sig_notation_add(d->ctx, name, value, add_to_gpgme_sig_notation_flags_t(0, flags)));
-#else
-    (void)name; (void)value; (void)flags;
-    return Error(make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 GpgME::Error Context::addSignaturePolicyURL(const char *url, bool critical)
 {
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
     return Error(gpgme_sig_notation_add(d->ctx, 0, url, critical ? GPGME_SIG_NOTATION_CRITICAL : 0));
-#else
-    (void)url; (void)critical;
-    return Error(make_error(GPG_ERR_NOT_IMPLEMENTED));
-#endif
 }
 
 const char *Context::signaturePolicyURL() const
 {
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
     for (gpgme_sig_notation_t n = gpgme_sig_notation_get(d->ctx) ; n ; n = n->next) {
         if (!n->name) {
             return n->value;
         }
     }
-#endif
-    return 0;
 }
 
 Notation Context::signatureNotation(unsigned int idx) const
 {
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
     for (gpgme_sig_notation_t n = gpgme_sig_notation_get(d->ctx) ; n ; n = n->next) {
         if (n->name) {
             if (idx-- == 0) {
@@ -1155,20 +1034,17 @@ Notation Context::signatureNotation(unsigned int idx) const
             }
         }
     }
-#endif
     return Notation();
 }
 
 std::vector<Notation> Context::signatureNotations() const
 {
     std::vector<Notation> result;
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
     for (gpgme_sig_notation_t n = gpgme_sig_notation_get(d->ctx) ; n ; n = n->next) {
         if (n->name) {
             result.push_back(Notation(n));
         }
     }
-#endif
     return result;
 }
 
@@ -1214,22 +1090,18 @@ static gpgme_encrypt_flags_t encryptflags2encryptflags(Context::EncryptionFlags
     if (flags & Context::AlwaysTrust) {
         result |= GPGME_ENCRYPT_ALWAYS_TRUST;
     }
-#ifdef HAVE_GPGME_ENCRYPT_NO_ENCRYPT_TO
     if (flags & Context::NoEncryptTo) {
         result |= GPGME_ENCRYPT_NO_ENCRYPT_TO;
     }
-#endif
     return static_cast<gpgme_encrypt_flags_t>(result);
 }
 
 EncryptionResult Context::encrypt(const std::vector<Key> &recipients, const Data &plainText, Data &cipherText, EncryptionFlags flags)
 {
     d->lastop = Private::Encrypt;
-#ifndef HAVE_GPGME_ENCRYPT_NO_ENCRYPT_TO
     if (flags & NoEncryptTo) {
         return EncryptionResult(Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED)));
     }
-#endif
     const Data::Private *const pdp = plainText.impl();
     Data::Private *const cdp = cipherText.impl();
     gpgme_key_t *const keys = new gpgme_key_t[ recipients.size() + 1 ];
@@ -1258,11 +1130,9 @@ Error Context::encryptSymmetrically(const Data &plainText, Data &cipherText)
 Error Context::startEncryption(const std::vector<Key> &recipients, const Data &plainText, Data &cipherText, EncryptionFlags flags)
 {
     d->lastop = Private::Encrypt;
-#ifndef HAVE_GPGME_ENCRYPT_NO_ENCRYPT_TO
     if (flags & NoEncryptTo) {
         return Error(d->lasterr = make_error(GPG_ERR_NOT_IMPLEMENTED));
     }
-#endif
     const Data::Private *const pdp = plainText.impl();
     Data::Private *const cdp = cipherText.impl();
     gpgme_key_t *const keys = new gpgme_key_t[ recipients.size() + 1 ];
@@ -1330,7 +1200,6 @@ Error Context::startCombinedSigningAndEncryption(const std::vector<Key> &recipie
 Error Context::createVFS(const char *containerFile, const std::vector< Key > &recipients)
 {
     d->lastop = Private::CreateVFS;
-#ifdef HAVE_GPGME_G13_VFS
     gpgme_key_t *const keys = new gpgme_key_t[ recipients.size() + 1 ];
     gpgme_key_t *keys_it = keys;
     for (std::vector<Key>::const_iterator it = recipients.begin() ; it != recipients.end() ; ++it) {
@@ -1348,34 +1217,19 @@ Error Context::createVFS(const char *containerFile, const std::vector< Key > &re
         return error;
     }
     return Error(d->lasterr = op_err);
-#else
-    Q_UNUSED(containerFile);
-    Q_UNUSED(recipients);
-    return Error(d->lasterr = make_error(GPG_ERR_NOT_SUPPORTED));
-#endif
 }
 
 VfsMountResult Context::mountVFS(const char *containerFile, const char *mountDir)
 {
     d->lastop = Private::MountVFS;
-#ifdef HAVE_GPGME_G13_VFS
     gpgme_error_t op_err;
     d->lasterr = gpgme_op_vfs_mount(d->ctx, containerFile, mountDir, 0, &op_err);
     return VfsMountResult(d->ctx, Error(d->lasterr), Error(op_err));
-#else
-    Q_UNUSED(containerFile);
-    Q_UNUSED(mountDir);
-    return VfsMountResult(d->ctx, Error(d->lasterr = make_error(GPG_ERR_NOT_SUPPORTED)), Error());
-#endif
 }
 
 Error Context::cancelPendingOperation()
 {
-#ifdef HAVE_GPGME_CANCEL_ASYNC
     return Error(gpgme_cancel_async(d->ctx));
-#else
-    return Error(gpgme_cancel(d->ctx));
-#endif
 }
 
 bool Context::poll()
@@ -1553,23 +1407,11 @@ static gpgme_protocol_t engine2protocol(const GpgME::Engine engine)
     case GpgME::GpgEngine:   return GPGME_PROTOCOL_OpenPGP;
     case GpgME::GpgSMEngine: return GPGME_PROTOCOL_CMS;
     case GpgME::GpgConfEngine:
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
         return GPGME_PROTOCOL_GPGCONF;
-#else
-        break;
-#endif
     case GpgME::AssuanEngine:
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
         return GPGME_PROTOCOL_ASSUAN;
-#else
-        break;
-#endif
     case GpgME::G13Engine:
-#ifdef HAVE_GPGME_G13_VFS
         return GPGME_PROTOCOL_G13;
-#else
-        break;
-#endif
     case GpgME::UnknownEngine:
         ;
     }
@@ -1605,90 +1447,34 @@ static const unsigned long supported_features = 0
         | GpgME::ValidatingKeylistModeFeature
         | GpgME::CancelOperationFeature
         | GpgME::WrongKeyUsageFeature
-#ifdef HAVE_GPGME_INCLUDE_CERTS_DEFAULT
         | GpgME::DefaultCertificateInclusionFeature
-#endif
-#ifdef HAVE_GPGME_CTX_GETSET_ENGINE_INFO
         | GpgME::GetSetEngineInfoFeature
-#endif
-#ifdef HAVE_GPGME_SIG_NOTATION_CLEARADDGET
         | GpgME::ClearAddGetSignatureNotationsFeature
-#endif
-#ifdef HAVE_GPGME_DATA_SET_FILE_NAME
         | GpgME::SetDataFileNameFeeature
-#endif
-#ifdef HAVE_GPGME_KEYLIST_MODE_SIG_NOTATIONS
         | GpgME::SignatureNotationsKeylistModeFeature
-#endif
-#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
         | GpgME::KeySignatureNotationsFeature
-#endif
-#ifdef HAVE_GPGME_KEY_T_IS_QUALIFIED
         | GpgME::KeyIsQualifiedFeature
-#endif
-#ifdef HAVE_GPGME_SIG_NOTATION_CRITICAL
         | GpgME::SignatureNotationsCriticalFlagFeature
-#endif
-#ifdef HAVE_GPGME_SIG_NOTATION_FLAGS_T
         | GpgME::SignatureNotationsFlagsFeature
-#endif
-#ifdef HAVE_GPGME_SIG_NOTATION_HUMAN_READABLE
         | GpgME::SignatureNotationsHumanReadableFlagFeature
-#endif
-#ifdef HAVE_GPGME_SUBKEY_T_IS_QUALIFIED
         | GpgME::SubkeyIsQualifiedFeature
-#endif
-#ifdef HAVE_GPGME_ENGINE_INFO_T_HOME_DIR
         | GpgME::EngineInfoHomeDirFeature
-#endif
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_FILE_NAME
         | GpgME::DecryptionResultFileNameFeature
-#endif
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
         | GpgME::DecryptionResultRecipientsFeature
-#endif
-#ifdef HAVE_GPGME_VERIFY_RESULT_T_FILE_NAME
         | GpgME::VerificationResultFileNameFeature
-#endif
-#ifdef HAVE_GPGME_SIGNATURE_T_PKA_FIELDS
         | GpgME::SignaturePkaFieldsFeature
-#endif
-#ifdef HAVE_GPGME_SIGNATURE_T_ALGORITHM_FIELDS
         | GpgME::SignatureAlgorithmFieldsFeature
-#endif
-#ifdef HAVE_GPGME_GET_FDPTR
         | GpgME::FdPointerFeature
-#endif
-#ifdef HAVE_GPGME_OP_GETAUDITLOG
         | GpgME::AuditLogFeature
-#endif
-#ifdef HAVE_GPGME_PROTOCOL_GPGCONF
         | GpgME::GpgConfEngineFeature
-#endif
-#ifdef HAVE_GPGME_CANCEL_ASYNC
         | GpgME::CancelOperationAsyncFeature
-#endif
-#ifdef HAVE_GPGME_ENCRYPT_NO_ENCRYPT_TO
         | GpgME::NoEncryptToEncryptionFlagFeature
-#endif
-#ifdef HAVE_GPGME_SUBKEY_T_IS_CARDKEY
         | GpgME::CardKeyFeature
-#endif
-#ifdef HAVE_GPGME_ASSUAN_ENGINE
         | GpgME::AssuanEngineFeature
-#endif
-#ifdef HAVE_GPGME_KEYLIST_MODE_EPHEMERAL
         | GpgME::EphemeralKeylistModeFeature
-#endif
-#ifdef HAVE_GPGME_OP_IMPORT_KEYS
         | GpgME::ImportFromKeyserverFeature
-#endif
-#ifdef HAVE_GPGME_G13_VFS
         | GpgME::G13VFSFeature
-#endif
-#ifdef HAVE_GPGME_OP_PASSWD
         | GpgME::PasswdFeature
-#endif
         ;
 
 static const unsigned long supported_features2 = 0
diff --git a/lang/cpp/src/context_glib.cpp b/lang/cpp/src/context_glib.cpp
index 383b8eb6..d9889185 100644
--- a/lang/cpp/src/context_glib.cpp
+++ b/lang/cpp/src/context_glib.cpp
@@ -20,22 +20,13 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <global.h>
 
-#ifdef HAVE_GPGME_GET_FDPTR
 extern "C" GIOChannel *gpgme_get_fdptr(int);
-#endif
 
 GIOChannel *GpgME::getGIOChannel(int fd)
 {
-#ifdef HAVE_GPGME_GET_FDPTR
     return gpgme_get_fdptr(fd);
-#else
-    (void)fd;
-    return 0;
-#endif
 }
 
 QIODevice *GpgME::getQIODevice(int fd)
diff --git a/lang/cpp/src/context_qt.cpp b/lang/cpp/src/context_qt.cpp
index e6d44fa1..2ce0005d 100644
--- a/lang/cpp/src/context_qt.cpp
+++ b/lang/cpp/src/context_qt.cpp
@@ -20,13 +20,9 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <global.h>
 
-#ifdef HAVE_GPGME_GET_FDPTR
 extern "C" QIODevice *gpgme_get_fdptr(int);
-#endif
 
 GIOChannel *GpgME::getGIOChannel(int)
 {
@@ -35,10 +31,5 @@ GIOChannel *GpgME::getGIOChannel(int)
 
 QIODevice *GpgME::getQIODevice(int fd)
 {
-#ifdef HAVE_GPGME_GET_FDPTR
     return gpgme_get_fdptr(fd);
-#else
-    (void)fd;
-    return 0;
-#endif
 }
diff --git a/lang/cpp/src/context_vanilla.cpp b/lang/cpp/src/context_vanilla.cpp
index 30b18b46..984d41be 100644
--- a/lang/cpp/src/context_vanilla.cpp
+++ b/lang/cpp/src/context_vanilla.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <global.h>
 
 GIOChannel *GpgME::getGIOChannel(int)
diff --git a/lang/cpp/src/data.cpp b/lang/cpp/src/data.cpp
index 6b29aaf4..b07406cf 100644
--- a/lang/cpp/src/data.cpp
+++ b/lang/cpp/src/data.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "data_p.h"
 #include <error.h>
 #include <interfaces/dataprovider.h>
@@ -166,21 +164,12 @@ GpgME::Error GpgME::Data::setEncoding(Encoding enc)
 
 char *GpgME::Data::fileName() const
 {
-#ifdef HAVE_GPGME_DATA_SET_FILE_NAME
     return gpgme_data_get_file_name(d->data);
-#else
-    return 0;
-#endif
 }
 
 GpgME::Error GpgME::Data::setFileName(const char *name)
 {
-#ifdef HAVE_GPGME_DATA_SET_FILE_NAME
     return Error(gpgme_data_set_file_name(d->data, name));
-#else
-    (void)name;
-    return Error();
-#endif
 }
 
 ssize_t GpgME::Data::read(void *buffer, size_t length)
diff --git a/lang/cpp/src/decryptionresult.cpp b/lang/cpp/src/decryptionresult.cpp
index 88e85670..78a2b1b6 100644
--- a/lang/cpp/src/decryptionresult.cpp
+++ b/lang/cpp/src/decryptionresult.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <decryptionresult.h>
 #include "result_p.h"
 #include "util.h"
@@ -44,19 +42,15 @@ public:
         if (res.unsupported_algorithm) {
             res.unsupported_algorithm = strdup(res.unsupported_algorithm);
         }
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_FILE_NAME
         if (res.file_name) {
             res.file_name = strdup(res.file_name);
         }
-#endif
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
         //FIXME: copying gpgme_recipient_t objects invalidates the keyid member,
         //thus we use _keyid for now (internal API)
         for (gpgme_recipient_t r = res.recipients ; r ; r = r->next) {
             recipients.push_back(*r);
         }
         res.recipients = 0;
-#endif
     }
     ~Private()
     {
@@ -64,18 +58,14 @@ public:
             std::free(res.unsupported_algorithm);
         }
         res.unsupported_algorithm = 0;
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_FILE_NAME
         if (res.file_name) {
             std::free(res.file_name);
         }
         res.file_name = 0;
-#endif
     }
 
     _gpgme_op_decrypt_result res;
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     std::vector<_gpgme_recipient> recipients;
-#endif
 };
 
 GpgME::DecryptionResult::DecryptionResult(gpgme_ctx_t ctx, int error)
@@ -116,29 +106,19 @@ bool GpgME::DecryptionResult::isWrongKeyUsage() const
 
 const char *GpgME::DecryptionResult::fileName() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_FILE_NAME
     return d ? d->res.file_name : 0 ;
-#else
-    return 0;
-#endif
 }
 
 unsigned int GpgME::DecryptionResult::numRecipients() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     return d ? d->recipients.size() : 0 ;
-#else
-    return 0;
-#endif
 }
 
 GpgME::DecryptionResult::Recipient GpgME::DecryptionResult::recipient(unsigned int idx) const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     if (d && idx < d->recipients.size()) {
         return Recipient(&d->recipients[idx]);
     }
-#endif
     return Recipient();
 }
 
@@ -155,24 +135,20 @@ struct make_recipient {
 std::vector<GpgME::DecryptionResult::Recipient> GpgME::DecryptionResult::recipients() const
 {
     std::vector<Recipient> result;
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     if (d) {
         result.reserve(d->recipients.size());
         std::transform(d->recipients.begin(), d->recipients.end(),
                        std::back_inserter(result),
                        make_recipient());
     }
-#endif
     return result;
 }
 
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
 class GpgME::DecryptionResult::Recipient::Private : public _gpgme_recipient
 {
 public:
     Private(gpgme_recipient_t reci) : _gpgme_recipient(*reci) {}
 };
-#endif
 
 GpgME::DecryptionResult::Recipient::Recipient()
     : d()
@@ -183,11 +159,9 @@ GpgME::DecryptionResult::Recipient::Recipient()
 GpgME::DecryptionResult::Recipient::Recipient(gpgme_recipient_t r)
     : d()
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     if (r) {
         d.reset(new Private(r));
     }
-#endif
 }
 
 bool GpgME::DecryptionResult::Recipient::isNull() const
@@ -197,53 +171,43 @@ bool GpgME::DecryptionResult::Recipient::isNull() const
 
 const char *GpgME::DecryptionResult::Recipient::keyID() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     //_keyid is internal API, but the public keyid is invalid after copying (see above)
     if (d) {
         return d->_keyid;
     }
-#endif
     return 0;
 }
 
 const char *GpgME::DecryptionResult::Recipient::shortKeyID() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     //_keyid is internal API, but the public keyid is invalid after copying (see above)
     if (d) {
         return d->_keyid + 8;
     }
-#endif
     return 0;
 }
 
 unsigned int GpgME::DecryptionResult::Recipient::publicKeyAlgorithm() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     if (d) {
         return d->pubkey_algo;
     }
-#endif
     return 0;
 }
 
 const char *GpgME::DecryptionResult::Recipient::publicKeyAlgorithmAsString() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     if (d) {
         return gpgme_pubkey_algo_name(d->pubkey_algo);
     }
-#endif
     return 0;
 }
 
 GpgME::Error GpgME::DecryptionResult::Recipient::status() const
 {
-#ifdef HAVE_GPGME_DECRYPT_RESULT_T_RECIPIENTS
     if (d) {
         return Error(d->status);
     }
-#endif
     return Error();
 }
 
diff --git a/lang/cpp/src/defaultassuantransaction.cpp b/lang/cpp/src/defaultassuantransaction.cpp
index c51050ca..4c305729 100644
--- a/lang/cpp/src/defaultassuantransaction.cpp
+++ b/lang/cpp/src/defaultassuantransaction.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "defaultassuantransaction.h"
 #include "error.h"
 #include "data.h"
diff --git a/lang/cpp/src/editinteractor.cpp b/lang/cpp/src/editinteractor.cpp
index 0c5f7783..edb1ac85 100644
--- a/lang/cpp/src/editinteractor.cpp
+++ b/lang/cpp/src/editinteractor.cpp
@@ -20,17 +20,11 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "editinteractor.h"
 #include "callbacks.h"
 #include "error.h"
 
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
 #include <gpgme.h>
-#else
-#include <gpg-error.h>
-#endif
 
 #ifdef _WIN32
 # include <io.h>
@@ -42,6 +36,10 @@
 #include <cerrno>
 #include <cstring>
 
+#ifndef GPG_ERR_ALREADY_SIGNED
+# define GPG_ERR_ALREADY_SIGNED GPG_ERR_USER_1
+#endif
+
 using namespace GpgME;
 
 static const char *status_to_string(unsigned int status);
@@ -69,18 +67,7 @@ private:
     {
         size_t toWrite = count;
         while (toWrite > 0) {
-#ifdef HAVE_GPGME_IO_READWRITE
             const int n = gpgme_io_write(fd, buf, toWrite);
-#else
-# ifdef Q_OS_WIN
-            DWORD n;
-            if (!WriteFile((HANDLE)fd, buf, toWrite, &n, NULL)) {
-                return -1;
-            }
-# else
-            const int n = write(fd, buf, toWrite);
-# endif
-#endif
             if (n < 0) {
                 return n;
             }
@@ -124,11 +111,7 @@ public:
                     }
                     // if there's a result, write it:
                     if (*result) {
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
                         gpgme_err_set_errno(0);
-#else
-                        gpg_err_set_errno(0);
-#endif
                         const ssize_t len = std::strlen(result);
                         if (writeAll(fd, result, len) != len) {
                             err = Error::fromSystemError();
@@ -138,11 +121,7 @@ public:
                             goto error;
                         }
                     }
-#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
                     gpgme_err_set_errno(0);
-#else
-                    gpg_err_set_errno(0);
-#endif
                     if (writeAll(fd, "\n", 1) != 1) {
                         err = Error::fromSystemError();
                         if (ei->debug) {
diff --git a/lang/cpp/src/encryptionresult.cpp b/lang/cpp/src/encryptionresult.cpp
index 25e39229..5bedec8e 100644
--- a/lang/cpp/src/encryptionresult.cpp
+++ b/lang/cpp/src/encryptionresult.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <encryptionresult.h>
 #include "result_p.h"
 #include "util.h"
diff --git a/lang/cpp/src/engineinfo.cpp b/lang/cpp/src/engineinfo.cpp
index eaff2bd6..d2600909 100644
--- a/lang/cpp/src/engineinfo.cpp
+++ b/lang/cpp/src/engineinfo.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "engineinfo.h"
 
 #include <gpgme.h>
@@ -81,9 +79,5 @@ const char *GpgME::EngineInfo::requiredVersion() const
 
 const char *GpgME::EngineInfo::homeDirectory() const
 {
-#ifdef HAVE_GPGME_ENGINE_INFO_T_HOME_DIR
     return isNull() ? 0 : d->info->home_dir;
-#else
-    return 0;
-#endif
 }
diff --git a/lang/cpp/src/eventloopinteractor.cpp b/lang/cpp/src/eventloopinteractor.cpp
index 4718ddc1..7ec258c9 100644
--- a/lang/cpp/src/eventloopinteractor.cpp
+++ b/lang/cpp/src/eventloopinteractor.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <eventloopinteractor.h>
 
 #include <context.h>
diff --git a/lang/cpp/src/global.h b/lang/cpp/src/global.h
index f65503a1..b48ec074 100644
--- a/lang/cpp/src/global.h
+++ b/lang/cpp/src/global.h
@@ -28,7 +28,6 @@
 #include "gpgmepp_export.h"
 
 #include <iosfwd>
-#include <QByteArray>
 
 namespace GpgME
 {
diff --git a/lang/cpp/src/gpgagentgetinfoassuantransaction.cpp b/lang/cpp/src/gpgagentgetinfoassuantransaction.cpp
index e07a8562..6ab58c24 100644
--- a/lang/cpp/src/gpgagentgetinfoassuantransaction.cpp
+++ b/lang/cpp/src/gpgagentgetinfoassuantransaction.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "gpgagentgetinfoassuantransaction.h"
 #include "error.h"
 #include "data.h"
diff --git a/lang/cpp/src/importresult.cpp b/lang/cpp/src/importresult.cpp
index bd989d25..532f73d1 100644
--- a/lang/cpp/src/importresult.cpp
+++ b/lang/cpp/src/importresult.cpp
@@ -20,7 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
 
 #include <importresult.h>
 #include "result_p.h"
diff --git a/lang/cpp/src/interfaces/assuantransaction.h b/lang/cpp/src/interfaces/assuantransaction.h
index 9acdf7d1..a382b058 100644
--- a/lang/cpp/src/interfaces/assuantransaction.h
+++ b/lang/cpp/src/interfaces/assuantransaction.h
@@ -26,6 +26,8 @@
 
 #include "gpgmepp_export.h"
 
+#include <stddef.h>
+
 namespace GpgME
 {
 
diff --git a/lang/cpp/src/key.cpp b/lang/cpp/src/key.cpp
index 5eadbdd2..d8b3c29d 100644
--- a/lang/cpp/src/key.cpp
+++ b/lang/cpp/src/key.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include "config-gpgme++.h"
-
 #include <key.h>
 
 #include "util.h"
@@ -224,11 +222,7 @@ bool Key::canAuthenticate() const
 
 bool Key::isQualified() const
 {
-#ifdef HAVE_GPGME_KEY_T_IS_QUALIFIED
     return key && key->is_qualified;
-#else
-    return false;
-#endif
 }
 
 const char *Key::issuerSerial() const
@@ -304,12 +298,9 @@ const Key &Key::mergeWith(const Key &other)
     me->can_certify      |= him->can_certify;
     me->secret           |= him->secret;
     me->can_authenticate |= him->can_authenticate;
-#ifdef HAVE_GPGME_KEY_T_IS_QUALIFIED
     me->is_qualified     |= him->is_qualified;
-#endif
     me->keylist_mode     |= him->keylist_mode;
 
-#ifdef HAVE_GPGME_SUBKEY_T_IS_CARDKEY
     // make sure the gpgme_sub_key_t::is_cardkey flag isn't lost:
     for (gpgme_sub_key_t mysk = me->subkeys ; mysk ; mysk = mysk->next) {
         for (gpgme_sub_key_t hissk = him->subkeys ; hissk ; hissk = hissk->next) {
@@ -319,7 +310,6 @@ const Key &Key::mergeWith(const Key &other)
             }
         }
     }
-#endif
 
     return *this;
 }
@@ -415,29 +405,17 @@ bool Subkey::canAuthenticate() const
 
 bool Subkey::isQualified() const
 {
-#ifdef HAVE_GPGME_SUBKEY_T_IS_QUALIFIED
     return subkey && subkey->is_qualified;
-#else
-    return false;
-#endif
 }
 
 bool Subkey::isCardKey() const
 {
-#ifdef HAVE_GPGME_SUBKEY_T_IS_CARDKEY
     return subkey && subkey->is_cardkey;
-#else
-    return false;
-#endif
 }
 
 const char *Subkey::cardSerialNumber() const
 {
-#ifdef HAVE_GPGME_SUBKEY_T_IS_CARDKEY
     return subkey ? subkey->card_number : 0 ;
-#else
-    return 0;
-#endif
 }
 
 bool Subkey::isSecret() const
@@ -784,7 +762,6 @@ GpgME::Notation UserID::Signature::notation(unsigned int idx) const
     if (!sig) {
         return GpgME::Notation();
     }
-#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
     for (gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next) {
         if (nota->name) {
             if (idx-- == 0) {
@@ -792,7 +769,6 @@ GpgME::Notation UserID::Signature::notation(unsigned int idx) const
             }
         }
     }
-#endif
     return GpgME::Notation();
 }
 
@@ -802,13 +778,11 @@ unsigned int UserID::Signature::numNotations() const
         return 0;
     }
     unsigned int count = 0;
-#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
     for (gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next) {
         if (nota->name) {
             ++count; // others are policy URLs...
         }
     }
-#endif
     return count;
 }
 
@@ -818,20 +792,17 @@ std::vector<Notation> UserID::Signature::notations() const
         return std::vector<GpgME::Notation>();
     }
     std::vector<GpgME::Notation> v;
-#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
     v.reserve(numNotations());
     for (gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next) {
         if (nota->name) {
             v.push_back(GpgME::Notation(nota));
         }
     }
-#endif
     return v;
 }
 
 const char *UserID::Signature::policyURL() const
 {
-#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
     if (!sig) {
         return 0;
     }
@@ -840,7 +811,6 @@ const char *UserID::Signature::policyURL() const
             return nota->value;
         }
     }
-#endif
     return 0;
 }
 
diff --git a/lang/cpp/src/keygenerationresult.cpp b/lang/cpp/src/keygenerationresult.cpp
index f365e432..7837e208 100644
--- a/lang/cpp/src/keygenerationresult.cpp
+++ b/lang/cpp/src/keygenerationresult.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <keygenerationresult.h>
 #include "result_p.h"
 
diff --git a/lang/cpp/src/keylistresult.cpp b/lang/cpp/src/keylistresult.cpp
index 4aa3e11f..4512d3be 100644
--- a/lang/cpp/src/keylistresult.cpp
+++ b/lang/cpp/src/keylistresult.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <keylistresult.h>
 #include "result_p.h"
 
diff --git a/lang/cpp/src/scdgetinfoassuantransaction.cpp b/lang/cpp/src/scdgetinfoassuantransaction.cpp
index d9b0f9d1..a07ed96b 100644
--- a/lang/cpp/src/scdgetinfoassuantransaction.cpp
+++ b/lang/cpp/src/scdgetinfoassuantransaction.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include "scdgetinfoassuantransaction.h"
 #include "error.h"
 #include "data.h"
diff --git a/lang/cpp/src/signingresult.cpp b/lang/cpp/src/signingresult.cpp
index f5f671b5..e97ea2d7 100644
--- a/lang/cpp/src/signingresult.cpp
+++ b/lang/cpp/src/signingresult.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <signingresult.h>
 #include "result_p.h"
 #include "util.h"
diff --git a/lang/cpp/src/trustitem.cpp b/lang/cpp/src/trustitem.cpp
index 1abaf7e3..fc7e4a61 100644
--- a/lang/cpp/src/trustitem.cpp
+++ b/lang/cpp/src/trustitem.cpp
@@ -20,8 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <trustitem.h>
 
 #include <gpgme.h>
diff --git a/lang/cpp/src/util.h b/lang/cpp/src/util.h
index ed526e13..8ccb0bf5 100644
--- a/lang/cpp/src/util.h
+++ b/lang/cpp/src/util.h
@@ -68,18 +68,10 @@ static inline gpgme_keylist_mode_t add_to_gpgme_keylist_mode_t(unsigned int oldm
         oldmode |= GPGME_KEYLIST_MODE_SIGS;
     }
     if (newmodes & GpgME::SignatureNotations) {
-#ifdef HAVE_GPGME_KEYLIST_MODE_SIG_NOTATIONS
         oldmode |= GPGME_KEYLIST_MODE_SIG_NOTATIONS;
-#elif !defined(NDEBUG)
-        ;//std::cerr << "GpgME: ignoring SignatureNotations keylist flag (gpgme too old)." << std::endl;
-#endif
     }
     if (newmodes & GpgME::Ephemeral) {
-#ifdef HAVE_GPGME_KEYLIST_MODE_EPHEMERAL
         oldmode |= GPGME_KEYLIST_MODE_EPHEMERAL;
-#elif !defined(NDEBUG)
-        ;//std::cerr << "GpgME: ignoring Ephemeral keylist flag (gpgme too old)." << std::endl;
-#endif
     }
     if (newmodes & GpgME::Validate) {
         oldmode |= GPGME_KEYLIST_MODE_VALIDATE;
@@ -105,28 +97,20 @@ static inline unsigned int convert_from_gpgme_keylist_mode_t(unsigned int mode)
     if (mode & GPGME_KEYLIST_MODE_SIGS) {
         result |= GpgME::Signatures;
     }
-#ifdef HAVE_GPGME_KEYLIST_MODE_SIG_NOTATIONS
     if (mode & GPGME_KEYLIST_MODE_SIG_NOTATIONS) {
         result |= GpgME::SignatureNotations;
     }
-#endif
-#ifdef HAVE_GPGME_KEYLIST_MODE_EPHEMERAL
     if (mode & GPGME_KEYLIST_MODE_EPHEMERAL) {
         result |= GpgME::Ephemeral;
     }
-#endif
     if (mode & GPGME_KEYLIST_MODE_VALIDATE) {
         result |= GpgME::Validate;
     }
 #ifndef NDEBUG
     if (mode & ~(GPGME_KEYLIST_MODE_LOCAL |
                  GPGME_KEYLIST_MODE_EXTERN |
-#ifdef HAVE_GPGME_KEYLIST_MODE_SIG_NOTATIONS
                  GPGME_KEYLIST_MODE_SIG_NOTATIONS |
-#endif
-#ifdef HAVE_GPGME_KEYLIST_MODE_EPHEMERAL
                  GPGME_KEYLIST_MODE_EPHEMERAL |
-#endif
                  GPGME_KEYLIST_MODE_VALIDATE |
                  GPGME_KEYLIST_MODE_SIGS)) {
         //std::cerr << "GpgME: WARNING: gpgme_get_keylist_mode() returned an unknown flag!" << std::endl;
@@ -137,43 +121,26 @@ static inline unsigned int convert_from_gpgme_keylist_mode_t(unsigned int mode)
 
 static inline GpgME::Notation::Flags convert_from_gpgme_sig_notation_flags_t(unsigned int flags)
 {
-#ifdef HAVE_GPGME_SIG_NOTATION_FLAGS_T
     unsigned int result = 0;
-#ifdef HAVE_GPGME_SIG_NOTATION_HUMAN_READABLE
     if (flags & GPGME_SIG_NOTATION_HUMAN_READABLE) {
         result |= GpgME::Notation::HumanReadable ;
     }
-#endif
-#ifdef HAVE_GPGME_SIG_NOTATION_CRITICAL
     if (flags & GPGME_SIG_NOTATION_CRITICAL) {
         result |= GpgME::Notation::Critical ;
     }
-#endif
     return static_cast<GpgME::Notation::Flags>(result);
-#else
-    return GpgME::Notation::NoFlags;
-#endif
 }
-#ifdef HAVE_GPGME_SIG_NOTATION_FLAGS_T
+
 static inline gpgme_sig_notation_flags_t  add_to_gpgme_sig_notation_flags_t(unsigned int oldflags, unsigned int newflags)
 {
     unsigned int result = oldflags;
     if (newflags & GpgME::Notation::HumanReadable) {
-#ifdef HAVE_GPGME_SIG_NOTATION_HUMAN_READABLE
         result |= GPGME_SIG_NOTATION_HUMAN_READABLE;
-#elif !defined(NDEBUG)
-        //std::cerr << "GpgME::Context: ignoring HumanReadable signature notation flag (gpgme too old)" << std::endl;
-#endif
     }
     if (newflags & GpgME::Notation::Critical) {
-#ifdef HAVE_GPGME_SIG_NOTATION_CRITICAL
         result |= GPGME_SIG_NOTATION_CRITICAL;
-#elif !defined(NDEBUG)
-        //std::cerr << "GpgME::Context: ignoring Critical signature notation flag (gpgme too old)" << std::endl;
-#endif
     }
     return static_cast<gpgme_sig_notation_flags_t>(result);
 }
-#endif
 
 #endif // __GPGMEPP_UTIL_H__
diff --git a/lang/cpp/src/verificationresult.cpp b/lang/cpp/src/verificationresult.cpp
index 42d5ad27..92a77b6e 100644
--- a/lang/cpp/src/verificationresult.cpp
+++ b/lang/cpp/src/verificationresult.cpp
@@ -20,7 +20,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
 #include <verificationresult.h>
 #include <notation.h>
 #include "result_p.h"
@@ -45,11 +44,9 @@ public:
         if (!r) {
             return;
         }
-#ifdef HAVE_GPGME_VERIFY_RESULT_T_FILE_NAME
         if (r->file_name) {
             file_name = r->file_name;
         }
-#endif
         // copy recursively, using compiler-generated copy ctor.
         // We just need to handle the pointers in the structs:
         for (gpgme_signature_t is = r->signatures ; is ; is = is->next) {
@@ -57,7 +54,6 @@ public:
             if (is->fpr) {
                 scopy->fpr = strdup(is->fpr);
             }
-#ifdef HAVE_GPGME_SIGNATURE_T_PKA_FIELDS
 // PENDING(marc) why does this crash on Windows in strdup()?
 # ifndef _WIN32
             if (is->pka_address) {
@@ -66,7 +62,6 @@ public:
 # else
             scopy->pka_address = 0;
 # endif
-#endif
             scopy->next = 0;
             sigs.push_back(scopy);
             // copy notations:
@@ -79,11 +74,7 @@ public:
                     }
                     continue;
                 }
-#ifdef HAVE_GPGME_SIG_NOTATION_FLAGS_T
                 Nota n = { 0, 0, in->flags };
-#else
-                Nota n = { 0, 0 };
-#endif
                 n.name = strdup(in->name);
                 if (in->value) {
                     n.value = strdup(in->value);
@@ -96,9 +87,7 @@ public:
     {
         for (std::vector<gpgme_signature_t>::iterator it = sigs.begin() ; it != sigs.end() ; ++it) {
             std::free((*it)->fpr);
-#ifdef HAVE_GPGME_SIGNATURE_T_PKA_FIELDS
             std::free((*it)->pka_address);
-#endif
             delete *it; *it = 0;
         }
         for (std::vector< std::vector<Nota> >::iterator it = nota.begin() ; it != nota.end() ; ++it) {
@@ -113,9 +102,7 @@ public:
     struct Nota {
         char *name;
         char *value;
-#ifdef HAVE_GPGME_SIG_NOTATION_FLAGS_T
         gpgme_sig_notation_flags_t flags;
-#endif
     };
 
     std::vector<gpgme_signature_t> sigs;
@@ -265,30 +252,22 @@ bool GpgME::Signature::isWrongKeyUsage() const
 
 bool GpgME::Signature::isVerifiedUsingChainModel() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_CHAIN_MODEL
     return !isNull() && d->sigs[idx]->chain_model;
-#else
-    return false;
-#endif
 }
 
 GpgME::Signature::PKAStatus GpgME::Signature::pkaStatus() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_PKA_FIELDS
     if (!isNull()) {
         return static_cast<PKAStatus>(d->sigs[idx]->pka_trust);
     }
-#endif
     return UnknownPKAStatus;
 }
 
 const char *GpgME::Signature::pkaAddress() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_PKA_FIELDS
     if (!isNull()) {
         return d->sigs[idx]->pka_address;
     }
-#endif
     return 0;
 }
 
@@ -331,41 +310,33 @@ GpgME::Error GpgME::Signature::nonValidityReason() const
 
 unsigned int GpgME::Signature::publicKeyAlgorithm() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_ALGORITHM_FIELDS
     if (!isNull()) {
         return d->sigs[idx]->pubkey_algo;
     }
-#endif
     return 0;
 }
 
 const char *GpgME::Signature::publicKeyAlgorithmAsString() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_ALGORITHM_FIELDS
     if (!isNull()) {
         return gpgme_pubkey_algo_name(d->sigs[idx]->pubkey_algo);
     }
-#endif
     return 0;
 }
 
 unsigned int GpgME::Signature::hashAlgorithm() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_ALGORITHM_FIELDS
     if (!isNull()) {
         return d->sigs[idx]->hash_algo;
     }
-#endif
     return 0;
 }
 
 const char *GpgME::Signature::hashAlgorithmAsString() const
 {
-#ifdef HAVE_GPGME_SIGNATURE_T_ALGORITHM_FIELDS
     if (!isNull()) {
         return gpgme_hash_algo_name(d->sigs[idx]->hash_algo);
     }
-#endif
     return 0;
 }
 
@@ -478,13 +449,9 @@ GpgME::Notation::Flags GpgME::Notation::flags() const
 {
     return
         convert_from_gpgme_sig_notation_flags_t(
-#ifdef HAVE_GPGME_SIG_NOTATION_FLAGS_T
             isNull() ? 0 :
             d->d ? d->d->nota[d->sidx][d->nidx].flags :
             d->nota ? d->nota->flags : 0);
-#else
-            0);
-#endif
 }
 
 bool GpgME::Notation::isHumanReadable() const
diff --git a/lang/cpp/src/vfsmountresult.cpp b/lang/cpp/src/vfsmountresult.cpp
index deca627f..c9fdd5e2 100644
--- a/lang/cpp/src/vfsmountresult.cpp
+++ b/lang/cpp/src/vfsmountresult.cpp
@@ -21,8 +21,6 @@
   Boston, MA 02110-1301, USA.
 */
 
-#include <config-gpgme++.h>
-
 #include <vfsmountresult.h>
 #include "result_p.h"
 
@@ -33,7 +31,6 @@
 
 using namespace GpgME;
 
-#ifdef HAVE_GPGME_G13_VFS
 class VfsMountResult::Private
 {
 public:
@@ -51,7 +48,6 @@ public:
 
     char *mountDir;
 };
-#endif
 
 VfsMountResult::VfsMountResult(gpgme_ctx_t ctx, const Error &error, const Error &opError)
     : Result(error ? error : opError), d()
@@ -62,7 +58,6 @@ VfsMountResult::VfsMountResult(gpgme_ctx_t ctx, const Error &error, const Error
 void VfsMountResult::init(gpgme_ctx_t ctx)
 {
     (void)ctx;
-#ifdef HAVE_GPGME_G13_VFS
     if (!ctx) {
         return;
     }
@@ -71,18 +66,15 @@ void VfsMountResult::init(gpgme_ctx_t ctx)
         return;
     }
     d.reset(new Private(res));
-#endif
 }
 
 make_standard_stuff(VfsMountResult)
 
 const char *VfsMountResult::mountDir() const
 {
-#ifdef HAVE_GPGME_G13_VFS
     if (d) {
         return d->mountDir;
     }
-#endif
     return 0;
 }