diff --git a/include/wx/app.h b/include/wx/app.h
index 4742678657..560a7e21a2 100644
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -609,9 +609,16 @@ protected:
 // Force an exit from main loop
 extern void WXDLLIMPEXP_BASE wxExit();
 
+// avoid redeclaring this function here if it had been already declated by
+// wx/utils.h, this results in warnings from g++ with -Wredundant-decls
+#ifndef wx_YIELD_DECLARED
+#define wx_YIELD_DECLARED
+
 // Yield to other apps/messages
 extern bool WXDLLIMPEXP_BASE wxYield();
 
+#endif // wx_YIELD_DECLARED
+
 // Yield to other apps/messages
 extern void WXDLLIMPEXP_BASE wxWakeUpIdle();
 
diff --git a/include/wx/utils.h b/include/wx/utils.h
index 0d73de0e8c..f2f86227a3 100644
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -720,9 +720,16 @@ void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 // wxYield(): these functions are obsolete, please use wxApp methods instead!
 // ----------------------------------------------------------------------------
 
+// avoid redeclaring this function here if it had been already declated by
+// wx/app.h, this results in warnings from g++ with -Wredundant-decls
+#ifndef wx_YIELD_DECLARED
+#define wx_YIELD_DECLARED
+
 // Yield to other apps/messages
 WXDLLIMPEXP_BASE bool wxYield();
 
+#endif // wx_YIELD_DECLARED
+
 // Like wxYield, but fails silently if the yield is recursive.
 WXDLLIMPEXP_BASE bool wxYieldIfNeeded();