diff --git a/scene.h b/scene.h
--- a/scene.h
+++ b/scene.h
@@ -228,16 +228,10 @@
     void updateTimeDiff();
     // saved data for 2nd pass of optimized screen painting
     struct Phase2Data {
-        Phase2Data(Window* w, QRegion r, QRegion c, int m, const WindowQuadList& q)
-            : window(w), region(r), clip(c), mask(m), quads(q) {}
-        Phase2Data()  {
-            window = 0;
-            mask = 0;
-        }
-        Window* window;
+        Window *window = nullptr;
         QRegion region;
         QRegion clip;
-        int mask;
+        int mask = 0;
         WindowQuadList quads;
     };
     // The region which actually has been painted by paintScreen() and should be
diff --git a/scene.cpp b/scene.cpp
--- a/scene.cpp
+++ b/scene.cpp
@@ -232,7 +232,7 @@
         if (!w->isPaintingEnabled()) {
             continue;
         }
-        phase2.append(Phase2Data(w, infiniteRegion(), data.clip, data.mask, data.quads));
+        phase2.append({w, infiniteRegion(), data.clip, data.mask, data.quads});
     }
 
     foreach (const Phase2Data & d, phase2) {