diff --git a/roofit/roofitcore/src/RooDataSet.cxx b/roofit/roofitcore/src/RooDataSet.cxx
index bcabf655970ece3de5aedd0f6b71dfc0bdf58956..7fdd41551346f46461ff72a869e73f21f97fff18 100644
--- a/roofit/roofitcore/src/RooDataSet.cxx
+++ b/roofit/roofitcore/src/RooDataSet.cxx
@@ -959,7 +959,7 @@ RooAbsData* RooDataSet::reduceEng(const RooArgSet& varSubset, const RooFormulaVa
 {
   checkInit() ;
 
-  cout << "reduceEng varSubset = " << varSubset << " _wgtVar = " << (_wgtVar ? _wgtVar->GetName() : "") << endl;
+  //cout << "reduceEng varSubset = " << varSubset << " _wgtVar = " << (_wgtVar ? _wgtVar->GetName() : "") << endl;
 
   RooArgSet tmp(varSubset) ;
   if (_wgtVar) {