diff --git a/documentation/Makefile b/documentation/Makefile
index 3749a7e5..bb472821 100644
--- a/documentation/Makefile
+++ b/documentation/Makefile
@@ -2,8 +2,6 @@
 #
 #  LaTeX Makefile
 #
-#  $Id$
-#
 #------------------------------------------------------------------------------
 
 FILE := ethercat_doc