diff --git a/src/effects.cpp b/src/effects.cpp
index abdc85e6e8..0ba21ee354 100644
--- a/src/effects.cpp
+++ b/src/effects.cpp
@@ -191,9 +191,6 @@ EffectsHandlerImpl::EffectsHandlerImpl(Compositor *compositor, Scene *scene)
     connect(Screens::self(), &Screens::countChanged, this, &EffectsHandler::numberScreensChanged);
     connect(Screens::self(), &Screens::sizeChanged, this, &EffectsHandler::virtualScreenSizeChanged);
     connect(Screens::self(), &Screens::geometryChanged, this, &EffectsHandler::virtualScreenGeometryChanged);
-    connect(Screens::self(), &Screens::geometryChanged, this, [this]() {
-        Q_EMIT screenGeometryChanged(Screens::self()->size());
-    });
 #ifdef KWIN_BUILD_ACTIVITIES
     if (Activities *activities = Activities::self()) {
         connect(activities, &Activities::added,          this, &EffectsHandler::activityAdded);
diff --git a/src/libkwineffects/kwineffects.h b/src/libkwineffects/kwineffects.h
index d2cfa875cd..14225b4a09 100644
--- a/src/libkwineffects/kwineffects.h
+++ b/src/libkwineffects/kwineffects.h
@@ -1642,15 +1642,6 @@ Q_SIGNALS:
      */
     void propertyNotify(KWin::EffectWindow* w, long atom);
 
-    /**
-     * Signal emitted after the screen geometry changed (e.g. add of a monitor).
-     * Effects using displayWidth()/displayHeight() to cache information should
-     * react on this signal and update the caches.
-     * @param size The new screen size
-     * @since 4.8
-     */
-    void screenGeometryChanged(const QSize &size);
-
     /**
      * This signal is emitted when the global
      * activity is changed