diff --git a/dix/window.c b/dix/window.c
index 7a2866ae9..d43ef0370 100644
--- a/dix/window.c
+++ b/dix/window.c
@@ -2059,10 +2059,10 @@ ReflectStackChange(WindowPtr pWin, WindowPtr pSib, VTKind kind)
         if (anyMarked) {
             (*pScreen->ValidateTree) (pLayerWin->parent, pFirstChange, kind);
             (*pScreen->HandleExposures) (pLayerWin->parent);
+            if (pWin->drawable.pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstChange,
+                                              kind);
         }
-        if (anyMarked && pWin->drawable.pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstChange,
-                                          kind);
     }
     if (pWin->realized)
         WindowsRestructured();
@@ -2576,10 +2576,10 @@ MapWindow(WindowPtr pWin, ClientPtr client)
             if (anyMarked) {
                 (*pScreen->ValidateTree) (pLayerWin->parent, pLayerWin, VTMap);
                 (*pScreen->HandleExposures) (pLayerWin->parent);
+                if (pScreen->PostValidateTree)
+                    (*pScreen->PostValidateTree) (pLayerWin->parent, pLayerWin,
+                                                  VTMap);
             }
-            if (anyMarked && pScreen->PostValidateTree)
-                (*pScreen->PostValidateTree) (pLayerWin->parent, pLayerWin,
-                                              VTMap);
         }
         WindowsRestructured();
     }
@@ -2657,10 +2657,10 @@ MapSubwindows(WindowPtr pParent, ClientPtr client)
         if (anyMarked) {
             (*pScreen->ValidateTree) (pLayerWin->parent, pFirstMapped, VTMap);
             (*pScreen->HandleExposures) (pLayerWin->parent);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstMapped,
+                                              VTMap);
         }
-        if (anyMarked && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstMapped,
-                                          VTMap);
         WindowsRestructured();
     }
 }
@@ -2754,9 +2754,9 @@ UnmapWindow(WindowPtr pWin, Bool fromConfigure)
         if (!fromConfigure) {
             (*pScreen->ValidateTree) (pLayerWin->parent, pWin, VTUnmap);
             (*pScreen->HandleExposures) (pLayerWin->parent);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, pWin, VTUnmap);
         }
-        if (!fromConfigure && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, pWin, VTUnmap);
     }
     if (wasRealized && !fromConfigure) {
         WindowsRestructured();
@@ -2824,9 +2824,10 @@ UnmapSubwindows(WindowPtr pWin)
             }
             (*pScreen->ValidateTree) (pLayerWin->parent, pHead, VTUnmap);
             (*pScreen->HandleExposures) (pLayerWin->parent);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, pHead,
+                                              VTUnmap);
         }
-        if (anyMarked && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, pHead, VTUnmap);
     }
     if (wasRealized) {
         WindowsRestructured();
@@ -3592,15 +3593,12 @@ SetRootClip(ScreenPtr pScreen, Bool enable)
             anyMarked = TRUE;
         }
 
-        if (anyMarked)
+        if (anyMarked) {
             (*pScreen->ValidateTree) (pWin, NullWindow, VTOther);
-    }
-
-    if (WasViewable) {
-        if (anyMarked)
             (*pScreen->HandleExposures) (pWin);
-        if (anyMarked && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pWin, NullWindow, VTOther);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pWin, NullWindow, VTOther);
+        }
     }
     if (pWin->realized)
         WindowsRestructured();
diff --git a/mi/mioverlay.c b/mi/mioverlay.c
index 2ad6bc082..eb8dda133 100644
--- a/mi/mioverlay.c
+++ b/mi/mioverlay.c
@@ -1464,11 +1464,7 @@ miOverlaySetShape(WindowPtr pWin, int kind)
 
         if (WasViewable) {
             (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL);
-
             (*pScreen->ValidateTree) (pWin->parent, NullWindow, VTOther);
-        }
-
-        if (WasViewable) {
             (*pScreen->HandleExposures) (pWin->parent);
             if (pScreen->PostValidateTree)
                 (*pScreen->PostValidateTree) (pWin->parent, NullWindow,
diff --git a/mi/miwindow.c b/mi/miwindow.c
index cfe085a4c..0cf50465a 100644
--- a/mi/miwindow.c
+++ b/mi/miwindow.c
@@ -292,9 +292,9 @@ miMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pNextSib, VTKind kind)
             RegionDestroy(oldRegion);
             /* XXX need to retile border if ParentRelative origin */
             (*pScreen->HandleExposures) (pLayerWin->parent);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, NULL, kind);
         }
-        if (anyMarked && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, NullWindow, kind);
     }
     if (pWin->realized)
         WindowsRestructured();
@@ -607,11 +607,12 @@ miResizeWindow(WindowPtr pWin, int x, int y, unsigned int w, unsigned int h,
         RegionDestroy(pRegion);
         if (destClip)
             RegionDestroy(destClip);
-        if (anyMarked)
+        if (anyMarked) {
             (*pScreen->HandleExposures) (pLayerWin->parent);
-        if (anyMarked && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstChange,
-                                          VTOther);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstChange,
+                                              VTOther);
+        }
     }
     if (pWin->realized)
         WindowsRestructured();
@@ -663,17 +664,14 @@ miSetShape(WindowPtr pWin, int kind)
         if (WasViewable) {
             anyMarked |= (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL);
 
-            if (anyMarked)
+            if (anyMarked) {
                 (*pScreen->ValidateTree) (pLayerWin->parent, NullWindow,
                                           VTOther);
-        }
-
-        if (WasViewable) {
-            if (anyMarked)
                 (*pScreen->HandleExposures) (pLayerWin->parent);
-            if (anyMarked && pScreen->PostValidateTree)
-                (*pScreen->PostValidateTree) (pLayerWin->parent, NullWindow,
-                                              VTOther);
+                if (pScreen->PostValidateTree)
+                    (*pScreen->PostValidateTree) (pLayerWin->parent, NULL,
+                                                  VTOther);
+            }
         }
     }
     if (pWin->realized)
@@ -725,10 +723,10 @@ miChangeBorderWidth(WindowPtr pWin, unsigned int width)
         if (anyMarked) {
             (*pScreen->ValidateTree) (pLayerWin->parent, pLayerWin, VTOther);
             (*pScreen->HandleExposures) (pLayerWin->parent);
+            if (pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree) (pLayerWin->parent, pLayerWin,
+                                              VTOther);
         }
-        if (anyMarked && pScreen->PostValidateTree)
-            (*pScreen->PostValidateTree) (pLayerWin->parent, pLayerWin,
-                                          VTOther);
     }
     if (pWin->realized)
         WindowsRestructured();