diff --git a/mozilla/layout/generic/nsHTMLContainerFrame.cpp b/mozilla/layout/generic/nsHTMLContainerFrame.cpp
index cefc4517081..fd6a03149c8 100644
--- a/mozilla/layout/generic/nsHTMLContainerFrame.cpp
+++ b/mozilla/layout/generic/nsHTMLContainerFrame.cpp
@@ -75,7 +75,6 @@ nsHTMLContainerFrame::Paint(nsIPresContext& aPresContext,
       event.point.y = 0;
       event.time = 0;
       event.widget = nsnull;
-      event.widgetSupports = nsnull;
       event.nativeMsg = nsnull;
       event.renderingContext = nsnull;
       event.rect = nsnull;
diff --git a/mozilla/layout/html/base/src/nsHTMLContainerFrame.cpp b/mozilla/layout/html/base/src/nsHTMLContainerFrame.cpp
index cefc4517081..fd6a03149c8 100644
--- a/mozilla/layout/html/base/src/nsHTMLContainerFrame.cpp
+++ b/mozilla/layout/html/base/src/nsHTMLContainerFrame.cpp
@@ -75,7 +75,6 @@ nsHTMLContainerFrame::Paint(nsIPresContext& aPresContext,
       event.point.y = 0;
       event.time = 0;
       event.widget = nsnull;
-      event.widgetSupports = nsnull;
       event.nativeMsg = nsnull;
       event.renderingContext = nsnull;
       event.rect = nsnull;