diff --git a/Alignment/OfflineValidation/src/GeometryComparisonPlotter.cc b/Alignment/OfflineValidation/src/GeometryComparisonPlotter.cc
index 45f95d0bfc55e..36df70af29971 100644
--- a/Alignment/OfflineValidation/src/GeometryComparisonPlotter.cc
+++ b/Alignment/OfflineValidation/src/GeometryComparisonPlotter.cc
@@ -154,8 +154,6 @@ GeometryComparisonPlotter::GeometryComparisonPlotter(TString tree_file_name,
 #endif
 
   // style
-  gROOT->Reset();
-
   data->SetMarkerSize(0.5);
   data->SetMarkerStyle(6);