diff --git a/events.cpp b/events.cpp
index 7c320a2c63..f18ab3de4d 100644
--- a/events.cpp
+++ b/events.cpp
@@ -778,8 +778,9 @@ void Client::configureRequestEvent( XConfigureRequestEvent* e )
 
     // TODO sending a synthetic configure notify always is fine, even in cases where
     // the ICCCM doesn't require this - it can be though of as 'the WM decided to move
-    // the window later'. Perhaps those unnecessary ones could be saved though.
-    // See also Client::setGeometry()/plainResize()/move().
+    // the window later'. The client should not cause that many configure request,
+    // so this should not have any significant impact. With user moving/resizing
+    // the it should be optimized though (see also Client::setGeometry()/plainResize()/move()).
     sendSyntheticConfigureNotify();
 
     // SELI TODO accept configure requests for isDesktop windows (because kdesktop
diff --git a/geometry.cpp b/geometry.cpp
index dacce78376..6df092c3e2 100644
--- a/geometry.cpp
+++ b/geometry.cpp
@@ -1149,12 +1149,13 @@ void Client::setGeometry( int x, int y, int w, int h, ForceGeometry_t force )
                 cs.width(), cs.height());
     	    // FRAME tady poradi tak, at neni flicker
             XMoveResizeWindow( qt_xdisplay(), window(), 0, 0, cs.width(), cs.height());
+            // no need for real configure notify, XMoveResizeWindow() already causes real one
+            // sendSyntheticConfigureNotify(); 
             }
         if( shape())
             updateShape();
         // SELI TODO won't this be too expensive?
         updateWorkareaDiffs();
-        sendSyntheticConfigureNotify(); // TODO optimize this?
         }
     }
 
@@ -1187,11 +1188,12 @@ void Client::plainResize( int w, int h, ForceGeometry_t force )
             XMoveResizeWindow( qt_xdisplay(), wrapperId(), clientPos().x(), clientPos().y(),
                 cs.width(), cs.height());
             XMoveResizeWindow( qt_xdisplay(), window(), 0, 0, cs.width(), cs.height());
+            // no need for real configure notify, XMoveResizeWindow() already causes real one
+            // sendSyntheticConfigureNotify(); 
             }
         if( shape())
             updateShape();
         updateWorkareaDiffs();
-        sendSyntheticConfigureNotify();
         }
     }