diff --git a/DDCore/include/DD4hep/Primitives.h b/DDCore/include/DD4hep/Primitives.h
index 54d88066080bdc7b3b3168e0ae4060e96c4f0064..169e2fe246105ddb3614683ce49c7d0d915196a9 100644
--- a/DDCore/include/DD4hep/Primitives.h
+++ b/DDCore/include/DD4hep/Primitives.h
@@ -1,4 +1,3 @@
-// $Id: $
 //==========================================================================
 //  AIDA Detector description implementation for LCD
 //--------------------------------------------------------------------------
@@ -11,7 +10,6 @@
 // Author     : M.Frank
 //
 //==========================================================================
-
 #ifndef DD4HEP_DD4HEP_PRIMITIVES_H
 #define DD4HEP_DD4HEP_PRIMITIVES_H
 
@@ -20,6 +18,7 @@
 #include <vector>
 #include <string>
 #include <limits>
+
 #include <typeinfo>
 #include <algorithm>
 #include <stdexcept>
diff --git a/DDCore/include/DD4hep/World.h b/DDCore/include/DD4hep/World.h
index 990e4ddf3684291af1ef330dadb32d449e48b63c..121d70ac8d69079ec26d044eade942cf9c74e70a 100644
--- a/DDCore/include/DD4hep/World.h
+++ b/DDCore/include/DD4hep/World.h
@@ -1,4 +1,3 @@
-// $Id$
 //==========================================================================
 //  AIDA Detector description implementation for LCD
 //--------------------------------------------------------------------------
@@ -11,7 +10,6 @@
 // Author     : M.Frank
 //
 //==========================================================================
-
 #ifndef DD4HEP_WORLD_H
 #define DD4HEP_WORLD_H