diff --git a/lang/cpp/src/configuration.cpp b/lang/cpp/src/configuration.cpp
index 33c812f7..b3b62d6f 100644
--- a/lang/cpp/src/configuration.cpp
+++ b/lang/cpp/src/configuration.cpp
@@ -257,158 +257,6 @@ Type Option::alternateType() const
     return isNull() ? NoType : static_cast<Type>(opt->alt_type) ;
 }
 
-#if 0
-static Option::Variant argument_to_variant(gpgme_conf_type_t type, bool list, gpgme_conf_arg_t arg)
-{
-    assert(arg);
-    switch (type) {
-    case GPGME_CONF_NONE:
-        if (list) {
-            // return the count (number of times set):
-            return arg->value.count;
-        } else {
-            return none;
-        }
-    case GPGME_CONF_INT32:
-        if (list) {
-            std::vector<int> result;
-            for (gpgme_conf_arg_t a = arg ; a ; a = a->next) {
-                result.push_back(a->value.int32);
-            }
-            return result;
-        } else {
-            return arg->value.int32;
-        }
-    case GPGME_CONF_UINT32:
-        if (list) {
-            std::vector<unsigned int> result;
-            for (gpgme_conf_arg_t a = arg ; a ; a = a->next) {
-                result.push_back(a->value.uint32);
-            }
-            return result;
-        } else {
-            return arg->value.uint32;
-        }
-    case GPGME_CONF_FILENAME:
-    case GPGME_CONF_LDAP_SERVER:
-    case GPGME_CONF_KEY_FPR:
-    case GPGME_CONF_PUB_KEY:
-    case GPGME_CONF_SEC_KEY:
-    case GPGME_CONF_ALIAS_LIST:
-    // these should not happen in alt_type, but fall through
-    case GPGME_CONF_STRING:
-        if (list) {
-            std::vector<const char *> result;
-            for (gpgme_conf_arg_t a = arg ; a ; a = a->next) {
-                result.push_back(a->value.string);
-            }
-            return result;
-        } else {
-            return arg->value.string;
-        }
-    }
-    assert(!"Option: unknown alt_type!");
-    return Option::Variant();
-}
-
-namespace
-{
-inline const void *to_void_star(const char *s)
-{
-    return s;
-}
-inline const void *to_void_star(const std::string &s)
-{
-    return s.c_str();
-}
-inline const void *to_void_star(const int &i)
-{
-    return &i;    // const-&: sic!
-}
-inline const void *to_void_star(const unsigned int &i)
-{
-    return &i;    // const-&: sic!
-}
-
-struct VariantToArgumentVisitor : boost::static_visitor<gpgme_conf_arg_t> {
-    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 {
-            return arg;
-        }
-    }
-
-    gpgme_conf_arg_t operator()(bool v) const
-    {
-        return v ? make_argument(0) : 0 ;
-    }
-
-    gpgme_conf_arg_t operator()(const char *s) const
-    {
-        return make_argument(s ? s : "");
-    }
-
-    gpgme_conf_arg_t operator()(const std::string &s) const
-    {
-        return operator()(s.c_str());
-    }
-
-    gpgme_conf_arg_t operator()(int i) const
-    {
-        return make_argument(&i);
-    }
-
-    gpgme_conf_arg_t operator()(unsigned int i) const
-    {
-        return make_argument(&i);
-    }
-
-    template <typename T>
-    gpgme_conf_arg_t operator()(const std::vector<T> &value) const
-    {
-        gpgme_conf_arg_t result = 0;
-        gpgme_conf_arg_t last = 0;
-        for (typename std::vector<T>::const_iterator it = value.begin(), end = value.end() ; it != end ; ++it) {
-            if (gpgme_conf_arg_t arg = make_argument(to_void_star(*it))) {
-                if (last) {
-                    last = last->next = arg;
-                } else {
-                    result = last = arg;
-                }
-            }
-        }
-        return result;
-    }
-
-};
-}
-
-static gpgme_conf_arg_t variant_to_argument(const Option::Variant &value)
-{
-    VariantToArgumentVisitor v;
-    return apply_visitor(v, value);
-}
-
-optional<Option::Variant> Option::defaultValue() const
-{
-    if (isNull()) {
-        return optional<Variant>();
-    } else {
-        return argument_to_variant(opt->alt_type, opt->flags & GPGME_CONF_LIST, opt->default_value);
-    }
-}
-#endif
-
 Argument Option::defaultValue() const
 {
     if (isNull()) {
diff --git a/lang/cpp/src/context.cpp b/lang/cpp/src/context.cpp
index 57f92394..99e354df 100644
--- a/lang/cpp/src/context.cpp
+++ b/lang/cpp/src/context.cpp
@@ -147,11 +147,7 @@ bool Error::isCanceled() const
 
 int Error::toErrno() const
 {
-//#ifdef HAVE_GPGME_GPG_ERROR_WRAPPERS
     return gpgme_err_code_to_errno(static_cast<gpgme_err_code_t>(code()));
-//#else
-//    return gpg_err_code_to_errno( static_cast<gpg_err_code_t>( code() ) );
-//#endif
 }
 
 // static