diff --git a/include/wx/app.h b/include/wx/app.h
index 21cf8a1ae5..d01c877acf 100644
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -633,9 +633,16 @@ 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 c7ea286b9d..bba48e566a 100644
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -733,9 +733,16 @@ inline struct _XDisplay *wxGetX11Display()
 // 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();