diff --git a/unittests/Support/ValueHandleTest.cpp b/unittests/Support/ValueHandleTest.cpp
index 6a6528fbddf..ba610ea4ff9 100644
--- a/unittests/Support/ValueHandleTest.cpp
+++ b/unittests/Support/ValueHandleTest.cpp
@@ -35,7 +35,6 @@ protected:
 
 class ConcreteCallbackVH : public CallbackVH {
 public:
-  ConcreteCallbackVH() : CallbackVH() {}
   ConcreteCallbackVH(Value *V) : CallbackVH(V) {}
 };