diff --git a/lang/python/gpgme.i b/lang/python/gpgme.i
index 492326b8..f3d14a7d 100644
--- a/lang/python/gpgme.i
+++ b/lang/python/gpgme.i
@@ -21,6 +21,12 @@
 %include "cpointer.i"
 %include "cstring.i"
 
+%{
+/* We use public symbols (eg. "_obsolete_class") which are marked as
+ * deprecated but we need to keep them.  Silence the warning.  */
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+%}
+
 /* Generate doc strings for all methods.
 
    This will generate docstrings of the form
@@ -575,7 +581,8 @@ off_t gpgme_data_seek (gpgme_data_t dh, off_t offset, int whence=SEEK_SET);
 %}
 
 /* This is for notations, where we want to hide the length fields, and
-   the unused bit field block.  */
+ * the unused bit field block.  We silence the warning.  */
+%warnfilter(302) _gpgme_sig_notation;
 struct _gpgme_sig_notation
 {
   struct _gpgme_sig_notation *next;
diff --git a/src/gpgme.h.in b/src/gpgme.h.in
index e4ea466c..9c9ea5af 100644
--- a/src/gpgme.h.in
+++ b/src/gpgme.h.in
@@ -95,6 +95,12 @@ extern "C" {
 #define _GPGME_DEPRECATED_OUTSIDE_GPGME(a,b) _GPGME_DEPRECATED(a,b)
 #endif
 
+/* We used to use some symbols which clash with keywords in some
+ * languages.  This macro is used to obsolete them.  */
+#if defined(__cplusplus) || defined(SWIGPYTHON)
+# define _GPGME_OBSOLETE_SOME_SYMBOLS 1
+#endif
+
 
 /* Check for a matching _FILE_OFFSET_BITS definition.  */
 #if @NEED__FILE_OFFSET_BITS@
@@ -640,7 +646,7 @@ struct _gpgme_key_sig
   gpgme_error_t status;
 
   /* Deprecated; use SIG_CLASS instead.  */
-#ifdef __cplusplus
+#ifdef _GPGME_OBSOLETE_SOME_SYMBOLS
   unsigned int _obsolete_class _GPGME_DEPRECATED(0,4);
 #else
   unsigned int class _GPGME_DEPRECATED_OUTSIDE_GPGME(0,4);
@@ -1466,7 +1472,7 @@ struct _gpgme_new_signature
   char *fpr;
 
   /* Deprecated; use SIG_CLASS instead.  */
-#ifdef __cplusplus
+#ifdef _GPGME_OBSOLETE_SOME_SYMBOLS
   unsigned int _obsolete_class_2;
 #else
   unsigned int class _GPGME_DEPRECATED_OUTSIDE_GPGME(0,4);