diff --git a/samples/grid/grid.cpp b/samples/grid/grid.cpp
index ed7ad8001a..8aa405111d 100644
--- a/samples/grid/grid.cpp
+++ b/samples/grid/grid.cpp
@@ -9,11 +9,6 @@
 
 static const char sccsid[] = "%W% %G%";
 
-#ifdef __GNUG__
-#pragma implementation
-#pragma interface
-#endif
-
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
diff --git a/samples/thread/thread.cpp b/samples/thread/thread.cpp
index d53bbca802..19a99c2d6c 100644
--- a/samples/thread/thread.cpp
+++ b/samples/thread/thread.cpp
@@ -14,11 +14,6 @@
           messages - it will be more visual
  */
 
-#ifdef __GNUG__
-    #pragma implementation "thread.cpp"
-    #pragma interface "thread.cpp"
-#endif
-
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"