diff --git a/config.m4 b/config.m4
index d38d5dc4..f086d492 100644
--- a/config.m4
+++ b/config.m4
@@ -1,5 +1,3 @@
-dnl
-dnl $ Id: $
 dnl vim:se ts=2 sw=2 et:
 
 PHP_ARG_ENABLE(memcached, whether to enable memcached support,
diff --git a/config.w32 b/config.w32
index 380a9a12..e6e0c425 100644
--- a/config.w32
+++ b/config.w32
@@ -1,4 +1,3 @@
-// $ Id: $
 // vim:ft=javascript
 
 ARG_WITH('memcached', 'libmemcached extension', 'no');
diff --git a/php_memcached.c b/php_memcached.c
index c24e58af..01f98729 100644
--- a/php_memcached.c
+++ b/php_memcached.c
@@ -14,8 +14,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $ Id: $ */
-
 /* TODO
  * - set LIBKETAMA_COMPATIBLE as the default?
  * - fix unserialize(serialize($memc))
diff --git a/php_memcached.h b/php_memcached.h
index a33f8be6..59989f5b 100644
--- a/php_memcached.h
+++ b/php_memcached.h
@@ -14,8 +14,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $ Id: $ */
-
 #ifndef PHP_MEMCACHED_H
 #define PHP_MEMCACHED_H
 
diff --git a/php_memcached_private.h b/php_memcached_private.h
index cf652e39..561812e5 100644
--- a/php_memcached_private.h
+++ b/php_memcached_private.h
@@ -14,8 +14,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $ Id: $ */
-
 #ifndef PHP_MEMCACHED_PRIVATE_H
 #define PHP_MEMCACHED_PRIVATE_H