diff --git a/ChangeLog b/ChangeLog
index e6d83430f..950f1f0b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-12-17  Robert Larice
+ * src/xspice/cmpp/ifs_lex.l ,
+ * src/xspice/cmpp/ifs_yacc.y ,
+ * src/xspice/cmpp/ifs_yacc_y.h ,
+ * src/xspice/cmpp/mod_lex.l ,
+ * src/xspice/cmpp/mod_yacc.y ,
+ * src/xspice/cmpp/mod_yacc_y.h :
+  remove CVS `Id',`log' etc. keyword incantations
+
 2011-12-17  Robert Larice
  * src/winmain.c ,
  * src/frontend/inpcom.c ,
diff --git a/src/xspice/cmpp/ifs_lex.l b/src/xspice/cmpp/ifs_lex.l
index 5f649fce9..6e5b8b400 100755
--- a/src/xspice/cmpp/ifs_lex.l
+++ b/src/xspice/cmpp/ifs_lex.l
@@ -2,7 +2,7 @@
 %option prefix="ifs_yy"
 %option yylineno
 %option noyywrap
-%{ /* $Id$ */
+%{
 
 /*============================================================================
 FILE  ifs_lex.l
diff --git a/src/xspice/cmpp/ifs_yacc.y b/src/xspice/cmpp/ifs_yacc.y
index 7c9bbef16..2315f721f 100755
--- a/src/xspice/cmpp/ifs_yacc.y
+++ b/src/xspice/cmpp/ifs_yacc.y
@@ -1,4 +1,4 @@
-%{ /* $Id$ */
+%{
 
 /*============================================================================
 FILE  ifs_yacc.y
diff --git a/src/xspice/cmpp/ifs_yacc_y.h b/src/xspice/cmpp/ifs_yacc_y.h
index 0a26b278f..b9a7a4c9e 100755
--- a/src/xspice/cmpp/ifs_yacc_y.h
+++ b/src/xspice/cmpp/ifs_yacc_y.h
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /*============================================================================
 FILE  ifs_yacc.h
 
diff --git a/src/xspice/cmpp/mod_lex.l b/src/xspice/cmpp/mod_lex.l
index 053caa3b8..a358a21e2 100755
--- a/src/xspice/cmpp/mod_lex.l
+++ b/src/xspice/cmpp/mod_lex.l
@@ -1,7 +1,7 @@
 %option prefix="mod_yy"
 %option yylineno
 %option noyywrap
-%{ /* $Id$ */
+%{
 
 /*============================================================================
 FILE  mod_lex.l
diff --git a/src/xspice/cmpp/mod_yacc.y b/src/xspice/cmpp/mod_yacc.y
index 2fb5eaadf..0db013fd9 100755
--- a/src/xspice/cmpp/mod_yacc.y
+++ b/src/xspice/cmpp/mod_yacc.y
@@ -1,4 +1,4 @@
-%{ /* $Id$ */
+%{
 
 /*============================================================================
 FILE  mod_yacc.y
diff --git a/src/xspice/cmpp/mod_yacc_y.h b/src/xspice/cmpp/mod_yacc_y.h
index 2b2b5cf49..1138d6289 100755
--- a/src/xspice/cmpp/mod_yacc_y.h
+++ b/src/xspice/cmpp/mod_yacc_y.h
@@ -1,5 +1,3 @@
-/* $Id$  */
-
 /*============================================================================
 FILE  mod_yacc.h