diff --git a/samples/dialogs/dialogs.cpp b/samples/dialogs/dialogs.cpp
index 5f20469d3a..e7ece74623 100644
--- a/samples/dialogs/dialogs.cpp
+++ b/samples/dialogs/dialogs.cpp
@@ -9,7 +9,7 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)
 #pragma implementation
 #pragma interface
 #endif
diff --git a/samples/grid/griddemo.cpp b/samples/grid/griddemo.cpp
index 31ff32bb5c..8fe0da43d6 100644
--- a/samples/grid/griddemo.cpp
+++ b/samples/grid/griddemo.cpp
@@ -16,7 +16,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)
     #pragma implementation
     #pragma interface
 #endif