diff --git a/dix/window.c b/dix/window.c
index 9975b5eec..834c26b12 100644
--- a/dix/window.c
+++ b/dix/window.c
@@ -884,6 +884,7 @@ CrushTree(WindowPtr pWin)
 		(*UnrealizeWindow)(pChild);
 	    }
 	    FreeWindowResources(pChild);
+	    dixFreePrivates(pChild->devPrivates);
 	    xfree(pChild);
 	    if ( (pChild = pSib) )
 		break;