diff --git a/mozilla/content/html/style/src/nsComputedDOMStyle.h b/mozilla/content/html/style/src/nsComputedDOMStyle.h
index d9ac7cd0455..a4757ecde20 100644
--- a/mozilla/content/html/style/src/nsComputedDOMStyle.h
+++ b/mozilla/content/html/style/src/nsComputedDOMStyle.h
@@ -282,8 +282,8 @@ private:
     // Create a pointer-to-member-function type.
     typedef nsresult (nsComputedDOMStyle::*ComputeMethod)(nsIFrame*, nsIDOMCSSValue**);
 
-    const nsCSSProperty mProperty;
-    const ComputeMethod mGetter;
+    nsCSSProperty mProperty;
+    ComputeMethod mGetter;
   };
 
   static const ComputedStyleMapEntry* GetQueryablePropertyMap(PRUint32* aLength);
diff --git a/mozilla/layout/style/nsComputedDOMStyle.h b/mozilla/layout/style/nsComputedDOMStyle.h
index d9ac7cd0455..a4757ecde20 100644
--- a/mozilla/layout/style/nsComputedDOMStyle.h
+++ b/mozilla/layout/style/nsComputedDOMStyle.h
@@ -282,8 +282,8 @@ private:
     // Create a pointer-to-member-function type.
     typedef nsresult (nsComputedDOMStyle::*ComputeMethod)(nsIFrame*, nsIDOMCSSValue**);
 
-    const nsCSSProperty mProperty;
-    const ComputeMethod mGetter;
+    nsCSSProperty mProperty;
+    ComputeMethod mGetter;
   };
 
   static const ComputedStyleMapEntry* GetQueryablePropertyMap(PRUint32* aLength);