diff --git a/benchmarks/dvmp/analysis/vm_invar.cxx b/benchmarks/dvmp/analysis/vm_invar.cxx
index ba6ebf117be0692c2faa41ddd741cc46c46d8ce6..2e9366d6dc5714f9770a0b22f66de93dcc118ee3 100644
--- a/benchmarks/dvmp/analysis/vm_invar.cxx
+++ b/benchmarks/dvmp/analysis/vm_invar.cxx
@@ -147,7 +147,7 @@ int vm_invar(const std::string& config_name)
       h_Var1D[i][j] = (TH1D*)htmp.Clone(histName[i][j].c_str());
     }
     //2d histogram
-    histName[i][4] = "h_" + VarName[i] + "_" + VarCate[4];
+    /*histName[i][4] = "h_" + VarName[i] + "_" + VarCate[4];
     if(i==1){
       histTitles[i][4] = ";Q^{2}_{sim};Q^{2}_{rec};#";
     }else{
@@ -155,7 +155,7 @@ int vm_invar(const std::string& config_name)
     }
     auto h_tmp = d_im.Histo2D({fmt::format("{}_tmp", histName[i][4]).c_str(), histTitles[i][4].c_str(), 50, range_l[i][0], range_h[i][0], 50, range_l[i][0], range_h[i][0]}, RawhistName[i][0].c_str(), RawhistName[i][1].c_str());
     auto& htmp = *h_tmp;
-    h_Var2D[i] = (TH2D*)htmp.Clone(histName[i][4].c_str());
+    h_Var2D[i] = (TH2D*)htmp.Clone(histName[i][4].c_str());*/
   }
   double nEvents = h_Var1D[0][0]->Integral(0, -1);