diff --git a/NEWS b/NEWS
index cc734987..a27781d5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-Noteworthy changes in version 1.14.1 (unreleased)
+Noteworthy changes in version 1.15.0 (unreleased)
 -------------------------------------------------
 
  * New function gpgme_op_setexpire to make changing the expiration
@@ -18,6 +18,8 @@ Noteworthy changes in version 1.14.1 (unreleased)
 
  * qt: Added QDebug stream operator for GpgME::Error.
 
+ * Require a somewhat newer version of libgpg-error (1.36).
+
  * Interface changes relative to the 1.14.0 release:
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  gpgme_op_setexpire_start                   NEW.
diff --git a/configure.ac b/configure.ac
index 03c260cd..96c5b491 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,7 +85,7 @@ AC_SUBST(LIBQGPGME_LT_REVISION)
 GPGME_CONFIG_API_VERSION=1
 ##############################################
 
-NEED_GPG_ERROR_VERSION=1.24
+NEED_GPG_ERROR_VERSION=1.36
 NEED_LIBASSUAN_API=2
 NEED_LIBASSUAN_VERSION=2.4.2
 
diff --git a/src/cJSON.c b/src/cJSON.c
index f233848e..7769b0eb 100644
--- a/src/cJSON.c
+++ b/src/cJSON.c
@@ -66,25 +66,14 @@
 #define wipememory(_ptr,_len) wipememory2(_ptr,0,_len)
 
 /* We use malloc function wrappers from gpgrt (aka libgpg-error).  */
-#if GPGRT_VERSION_NUMBER >= 0x011c00 /* 1.28 */
-# include <gpgrt.h>
-# define xtrycalloc(a,b) gpgrt_calloc ((a), (b))
-# define xtrystrdup(a)   gpgrt_strdup ((a))
-# define xfree(a)        gpgrt_free ((a))
-# if CALLOC_ONLY
-#  define xtrymalloc(a)  gpgrt_calloc (1, (a))
-# else
-#  define xtrymalloc(a)  gpgrt_malloc ((a))
-# endif
-#else /* Without gpgrt (aka libgpg-error).  */
-# define xtrycalloc(a,b) calloc ((a), (b))
-# define xtrystrdup(a)   strdup ((a))
-# define xfree(a)        free ((a))
-# if CALLOC_ONLY
-#  define xtrymalloc(a)  calloc (1, (a))
-# else
-#  define xtrymalloc(a)  malloc ((a))
-# endif
+#include <gpgrt.h>
+#define xtrycalloc(a,b) gpgrt_calloc ((a), (b))
+#define xtrystrdup(a)   gpgrt_strdup ((a))
+#define xfree(a)        gpgrt_free ((a))
+#if CALLOC_ONLY
+# define xtrymalloc(a)  gpgrt_calloc (1, (a))
+#else
+# define xtrymalloc(a)  gpgrt_malloc ((a))
 #endif
 
 
diff --git a/src/engine.c b/src/engine.c
index 8280c520..96b8d3a8 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -258,11 +258,7 @@ gpgme_get_engine_info (gpgme_engine_info_t *info)
           if (!err && version && engine_minimal_version
               && !_gpgme_compare_versions (version, engine_minimal_version))
             {
-#if GPG_ERROR_VERSION_NUMBER < 0x011900 /* 1.25 */
-              err = gpg_error (GPG_ERR_NO_ENGINE);
-#else
               err = gpg_error (GPG_ERR_ENGINE_TOO_OLD);
-#endif
             }
 
           /* Now set the dummy version for pseudo engines.  */
diff --git a/src/gpgme-json.c b/src/gpgme-json.c
index bcaa1fc0..d3b8035a 100644
--- a/src/gpgme-json.c
+++ b/src/gpgme-json.c
@@ -41,10 +41,6 @@
 #include "cJSON.h"
 
 
-#if GPGRT_VERSION_NUMBER < 0x011c00 /* 1.28 */
-int main (void){fputs ("Build with Libgpg-error >= 1.28!\n", stderr);return 1;}
-#else /* libgpg-error >= 1.28 */
-
 /* We don't allow a request with more than 64 MiB.  */
 #define MAX_REQUEST_SIZE (64 * 1024 * 1024)
 
@@ -246,9 +242,6 @@ static gpg_error_t
 add_base64_to_object (cjson_t object, const char *name,
                       const void *data, size_t datalen)
 {
-#if GPGRT_VERSION_NUMBER < 0x011d00 /* 1.29 */
-  return gpg_error (GPG_ERR_NOT_SUPPORTED);
-#else
   gpg_err_code_t err;
   estream_t fp = NULL;
   gpgrt_b64state_t state = NULL;
@@ -309,7 +302,6 @@ add_base64_to_object (cjson_t object, const char *name,
   gpgrt_b64enc_finish (state);
   es_fclose (fp);
   return err;
-#endif
 }
 
 
@@ -629,10 +621,6 @@ release_onetime_context (gpgme_ctx_t ctx)
 static gpg_error_t
 data_from_base64_string (gpgme_data_t *r_data, cjson_t json)
 {
-#if GPGRT_VERSION_NUMBER < 0x011d00 /* 1.29 */
-  *r_data = NULL;
-  return gpg_error (GPG_ERR_NOT_SUPPORTED);
-#else
   gpg_error_t err;
   size_t len;
   char *buf = NULL;
@@ -685,7 +673,6 @@ data_from_base64_string (gpgme_data_t *r_data, cjson_t json)
   xfree (buf);
   gpgrt_b64dec_finish (state);
   return err;
-#endif
 }
 
 
@@ -3553,10 +3540,8 @@ interactive_repl (void)
   int first;
 
   es_setvbuf (es_stdin, NULL, _IONBF, 0);
-#if GPGRT_VERSION_NUMBER >= 0x011d00 /* 1.29 */
   es_fprintf (es_stderr, "%s %s ready (enter \",help\" for help)\n",
               gpgrt_strusage (11), gpgrt_strusage (13));
-#endif
   do
     {
       es_fputs ("> ", es_stderr);
@@ -3828,13 +3813,6 @@ my_strusage( int level )
 int
 main (int argc, char *argv[])
 {
-#if GPGRT_VERSION_NUMBER < 0x011d00 /* 1.29 */
-
-  fprintf (stderr, "WARNING: Old libgpg-error - using limited mode\n");
-  native_messaging_repl ();
-
-#else /* This is a modern libgp-error.  */
-
   enum { CMD_DEFAULT     = 0,
          CMD_INTERACTIVE = 'i',
          CMD_SINGLE      = 's',
@@ -3950,7 +3928,5 @@ main (int argc, char *argv[])
   if (opt_debug)
     log_debug ("ready");
 
-#endif /* This is a modern libgp-error.  */
   return 0;
 }
-#endif /* libgpg-error >= 1.28 */
diff --git a/src/op-support.c b/src/op-support.c
index 6affb5e4..88a133be 100644
--- a/src/op-support.c
+++ b/src/op-support.c
@@ -34,10 +34,6 @@
 #include "util.h"
 #include "debug.h"
 
-#if GPG_ERROR_VERSION_NUMBER < 0x011700  /* 1.23 */
-# define GPG_ERR_SUBKEYS_EXP_OR_REV 217
-#endif
-
 
 
 gpgme_error_t
diff --git a/src/util.h b/src/util.h
index cea5e1fe..bc78c9b8 100644
--- a/src/util.h
+++ b/src/util.h
@@ -41,15 +41,6 @@
 
 #define DIM(v) (sizeof(v)/sizeof((v)[0]))
 
-#if GPG_ERROR_VERSION_NUMBER < 0x011900 /* 1.25 */
-# define GPG_ERR_ENGINE_TOO_OLD 300
-# define GPG_ERR_TOO_OLD        308
-#endif
-
-#ifndef GPGRT_ATTR_SENTINEL
-# define GPGRT_ATTR_SENTINEL(a)  /* */
-#endif
-
 
 
 /*-- {posix,w32}-util.c --*/