diff --git a/mozilla/xpcom/tests/TestDeque.cpp b/mozilla/xpcom/tests/TestDeque.cpp
index e7d1401acd2..c0d13d30e32 100644
--- a/mozilla/xpcom/tests/TestDeque.cpp
+++ b/mozilla/xpcom/tests/TestDeque.cpp
@@ -44,7 +44,7 @@
  **************************************************************/
 class _TestDeque: public nsDequeFunctor{
 public:
-  _TestDeque::_TestDeque() {
+  _TestDeque() {
     SelfTest();
   }
   int SelfTest();