diff --git a/RecoVertex/AdaptiveVertexFit/interface/AdaptiveVertexFitter.h b/RecoVertex/AdaptiveVertexFit/interface/AdaptiveVertexFitter.h
index ddd9fecafbf7b..ff8ea69bc207e 100644
--- a/RecoVertex/AdaptiveVertexFit/interface/AdaptiveVertexFitter.h
+++ b/RecoVertex/AdaptiveVertexFit/interface/AdaptiveVertexFitter.h
@@ -213,7 +213,6 @@ class AdaptiveVertexFitter : public VertexFitter<5> {
   VertexTrackCompatibilityEstimator<5> * theComp;
   const AbstractLTSFactory<5> * theLinTrkFactory;
   bool gsfIntermediarySmoothing_;
-  mutable int mctr_;
 };
 
 #endif