diff --git a/InnerDetector/InDetDetDescr/InDetTrackingGeometry/src/BeamPipeBuilder.cxx b/InnerDetector/InDetDetDescr/InDetTrackingGeometry/src/BeamPipeBuilder.cxx
index f15cd22196b742d3f4dfba4572ec3ec46012f68b..4d3fd1e31c444c03cd127073cc9103f8d813e896 100755
--- a/InnerDetector/InDetDetDescr/InDetTrackingGeometry/src/BeamPipeBuilder.cxx
+++ b/InnerDetector/InDetDetDescr/InDetTrackingGeometry/src/BeamPipeBuilder.cxx
@@ -177,7 +177,7 @@ const std::vector< const Trk::CylinderLayer* >* InDet::BeamPipeBuilder::cylindri
                                              beamPipeBounds,
                                              *beamPipeLayerMaterial,
                                              m_beamPipeThickness));
-  //delete beamPipeLayerMaterial; 
+  delete beamPipeLayerMaterial;
   return beamPipe;
   
 }