diff --git a/lib/kdecoration.cpp b/lib/kdecoration.cpp
index e0fd9ea375..a27188947a 100644
--- a/lib/kdecoration.cpp
+++ b/lib/kdecoration.cpp
@@ -472,7 +472,4 @@ KDecorationDefines::WindowOperation KDecorationOptions::operationMaxButtonClick(
            button == Qt::MidButton?   d->OpMaxButtonMiddleClick :
                                       d->OpMaxButtonLeftClick;
     }
-#ifdef __GNUC__
-#warning Redo all the XYZChange() virtuals as signals.
-#endif
 #include "kdecoration.moc"