diff --git a/platform.h b/platform.h
index 9b96065d9a..506801af3d 100644
--- a/platform.h
+++ b/platform.h
@@ -131,19 +131,6 @@ public:
      * by rendering backends.
      */
     void setSceneEglGlobalShareContext(EGLContext context);
-    /**
-     * The first (in case of multiple) EGLSurface used by the compositing scene.
-     */
-    EGLSurface sceneEglSurface() const {
-        return m_surface;
-    }
-    /**
-     * Sets the first @p surface used by the compositing scene.
-     * @see sceneEglSurface
-     */
-    void setSceneEglSurface(EGLSurface surface) {
-        m_surface = surface;
-    }
 
     /**
      * The EglConfig used by the compositing scene.
@@ -558,7 +545,6 @@ private:
     EGLConfig m_eglConfig = nullptr;
     EGLContext m_context = EGL_NO_CONTEXT;
     EGLContext m_globalShareContext = EGL_NO_CONTEXT;
-    EGLSurface m_surface = EGL_NO_SURFACE;
     int m_hideCursorCounter = 0;
     ColorCorrect::Manager *m_colorCorrect = nullptr;
     bool m_supportsGammaControl = false;
diff --git a/platformsupport/scenes/opengl/abstract_egl_backend.cpp b/platformsupport/scenes/opengl/abstract_egl_backend.cpp
index 5022645598..abcc7ec9f4 100644
--- a/platformsupport/scenes/opengl/abstract_egl_backend.cpp
+++ b/platformsupport/scenes/opengl/abstract_egl_backend.cpp
@@ -118,7 +118,6 @@ void AbstractEglBackend::cleanup()
     cleanupSurfaces();
     eglReleaseThread();
     kwinApp()->platform()->setSceneEglContext(EGL_NO_CONTEXT);
-    kwinApp()->platform()->setSceneEglSurface(EGL_NO_SURFACE);
     kwinApp()->platform()->setSceneEglConfig(nullptr);
 }
 
@@ -359,7 +358,6 @@ void AbstractEglBackend::setConfig(const EGLConfig &config)
 void AbstractEglBackend::setSurface(const EGLSurface &surface)
 {
     m_surface = surface;
-    kwinApp()->platform()->setSceneEglSurface(surface);
 }
 
 QSharedPointer<GLTexture> AbstractEglBackend::textureForOutput(AbstractOutput *requestedOutput) const