diff --git a/events.cpp b/events.cpp
index 57bca55346..8aced29952 100644
--- a/events.cpp
+++ b/events.cpp
@@ -322,17 +322,9 @@ bool Workspace::workspaceEvent( XEvent * e )
             return ( e->xunmap.event != e->xunmap.window ); // hide wm typical event from Qt
             }
         case MapNotify:
-            {
-#if KDE_IS_VERSION( 3, 9, 90 )
-#warning Consider dumping this workaround.
-#endif
-            // See bug #100177, especially comments #6 and #14. This workaround shouldn't be
-            // necessary when X.org with that fix becomes available and it's an unnecessary
-            // X roundtrip for an experimental unstable feature.
-            if( addSystemTrayWin( e->xmap.window ))
-                return true;
+
             return ( e->xmap.event != e->xmap.window ); // hide wm typical event from Qt
-            }
+
         case ReparentNotify:
             {
         //do not confuse Qt with these events. After all, _we_ are the