diff --git a/mozilla/layout/base/nsCSSFrameConstructor.cpp b/mozilla/layout/base/nsCSSFrameConstructor.cpp
index 1956415c720..f383750db64 100644
--- a/mozilla/layout/base/nsCSSFrameConstructor.cpp
+++ b/mozilla/layout/base/nsCSSFrameConstructor.cpp
@@ -2157,7 +2157,6 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext*          aPresCo
 
   // build a scrollframe
   if (!isPaginated && isScrollable) {
-    nsIStyleContext* childStyle = nsnull;
     nsIFrame* newScrollFrame = nsnull;
     nsIDocument* document;
     aDocElement->GetDocument(document);
@@ -2729,7 +2728,6 @@ nsCSSFrameConstructor::ConstructRootFrame(nsIPresContext* aPresContext,
                                           getter_AddRefs(styleContext));
 
 
-      nsIScrollableView* newScrollableView = nsnull;
       nsIFrame* newScrollableFrame = nsnull;
       nsIDocument* document;
       aDocElement->GetDocument(document);
diff --git a/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp b/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp
index 1956415c720..f383750db64 100644
--- a/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp
+++ b/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp
@@ -2157,7 +2157,6 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext*          aPresCo
 
   // build a scrollframe
   if (!isPaginated && isScrollable) {
-    nsIStyleContext* childStyle = nsnull;
     nsIFrame* newScrollFrame = nsnull;
     nsIDocument* document;
     aDocElement->GetDocument(document);
@@ -2729,7 +2728,6 @@ nsCSSFrameConstructor::ConstructRootFrame(nsIPresContext* aPresContext,
                                           getter_AddRefs(styleContext));
 
 
-      nsIScrollableView* newScrollableView = nsnull;
       nsIFrame* newScrollableFrame = nsnull;
       nsIDocument* document;
       aDocElement->GetDocument(document);