diff --git a/src/wayland/surface_interface.cpp b/src/wayland/surface_interface.cpp
index 4adf086007..27b48fc8b0 100644
--- a/src/wayland/surface_interface.cpp
+++ b/src/wayland/surface_interface.cpp
@@ -404,7 +404,6 @@ QList<SurfaceInterface *> SurfaceInterface::surfaces()
 void SurfaceInterface::frameRendered(quint32 msec)
 {
     // notify all callbacks
-    const bool needsFlush = !d->current.frameCallbacks.isEmpty();
     while (!d->current.frameCallbacks.isEmpty()) {
         KWaylandFrameCallback *frameCallback = d->current.frameCallbacks.takeFirst();
         frameCallback->send_done(msec);
@@ -413,9 +412,6 @@ void SurfaceInterface::frameRendered(quint32 msec)
     for (auto it = d->current.children.constBegin(); it != d->current.children.constEnd(); ++it) {
         (*it)->surface()->frameRendered(msec);
     }
-    if (needsFlush)  {
-        client()->flush();
-    }
 }
 
 bool SurfaceInterface::hasFrameCallbacks() const