diff --git a/ext/interbase/config.m4 b/ext/interbase/config.m4
index dfd850b00ad..6aa1b368c0f 100644
--- a/ext/interbase/config.m4
+++ b/ext/interbase/config.m4
@@ -1,7 +1,3 @@
-dnl
-dnl $Id$
-dnl
-
 PHP_ARG_WITH(interbase,for InterBase support,
 [  --with-interbase[=DIR]    Include InterBase support.  DIR is the InterBase base
                           install directory [/usr/interbase]])
diff --git a/ext/interbase/config.w32 b/ext/interbase/config.w32
index 55121254630..89cd67219c4 100644
--- a/ext/interbase/config.w32
+++ b/ext/interbase/config.w32
@@ -1,4 +1,3 @@
-// $Id$
 // vim:ft=javascript
 
 ARG_WITH("interbase", "InterBase support", "no");
diff --git a/ext/interbase/ibase_blobs.c b/ext/interbase/ibase_blobs.c
index 7c27ccf3250..94f32f87ed3 100644
--- a/ext/interbase/ibase_blobs.c
+++ b/ext/interbase/ibase_blobs.c
@@ -16,8 +16,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/interbase/ibase_events.c b/ext/interbase/ibase_events.c
index 09cdbfa4049..ac3c328a0b4 100644
--- a/ext/interbase/ibase_events.c
+++ b/ext/interbase/ibase_events.c
@@ -16,8 +16,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/interbase/ibase_query.c b/ext/interbase/ibase_query.c
index 53eb7a885ef..892745044fa 100644
--- a/ext/interbase/ibase_query.c
+++ b/ext/interbase/ibase_query.c
@@ -16,8 +16,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/interbase/ibase_service.c b/ext/interbase/ibase_service.c
index bd6d4ad1aa8..e4e190d50dd 100644
--- a/ext/interbase/ibase_service.c
+++ b/ext/interbase/ibase_service.c
@@ -16,8 +16,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/interbase/interbase.c b/ext/interbase/interbase.c
index c78c5226061..8a88efccaad 100644
--- a/ext/interbase/interbase.c
+++ b/ext/interbase/interbase.c
@@ -18,8 +18,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/interbase/php_ibase_includes.h b/ext/interbase/php_ibase_includes.h
index 71990a5e4b4..c994a92da50 100644
--- a/ext/interbase/php_ibase_includes.h
+++ b/ext/interbase/php_ibase_includes.h
@@ -18,8 +18,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifndef PHP_IBASE_INCLUDES_H
 #define PHP_IBASE_INCLUDES_H
 
diff --git a/ext/interbase/php_ibase_udf.c b/ext/interbase/php_ibase_udf.c
index 497a8624492..e96b734291a 100644
--- a/ext/interbase/php_ibase_udf.c
+++ b/ext/interbase/php_ibase_udf.c
@@ -16,8 +16,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 /**
 * This UDF library adds the ability to call PHP functions from SQL
 * statements. Because of SQL's strong typing, you will have to declare
diff --git a/ext/interbase/php_interbase.h b/ext/interbase/php_interbase.h
index 044896ac43b..0518b586f9b 100644
--- a/ext/interbase/php_interbase.h
+++ b/ext/interbase/php_interbase.h
@@ -18,8 +18,6 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id$ */
-
 #ifndef PHP_INTERBASE_H
 #define PHP_INTERBASE_H
 
diff --git a/ext/interbase/tests/interbase.inc b/ext/interbase/tests/interbase.inc
index 42eb6e59153..fcf053213d4 100644
--- a/ext/interbase/tests/interbase.inc
+++ b/ext/interbase/tests/interbase.inc
@@ -1,4 +1,4 @@
-<?php /* $Id$ */
+<?php
 
 srand((double)microtime()*1000000);
 
diff --git a/ext/interbase/tests/skipif.inc b/ext/interbase/tests/skipif.inc
index 8f903a5ea54..11d0d80bc66 100644
--- a/ext/interbase/tests/skipif.inc
+++ b/ext/interbase/tests/skipif.inc
@@ -1,4 +1,4 @@
-<?php /* $Id$ */
+<?php
 
 if (!extension_loaded("interbase")) print "skip interbase extension not available"; 
 require("interbase.inc");
diff --git a/ext/pdo_firebird/CREDITS b/ext/pdo_firebird/CREDITS
index a33294b69c0..60b917415db 100644
--- a/ext/pdo_firebird/CREDITS
+++ b/ext/pdo_firebird/CREDITS
@@ -1,2 +1,2 @@
-Firebird/InterBase driver for PDO
+Firebird driver for PDO
 Ard Biesheuvel
diff --git a/ext/pdo_firebird/config.m4 b/ext/pdo_firebird/config.m4
index a89ab2aea53..f9188a09b7c 100644
--- a/ext/pdo_firebird/config.m4
+++ b/ext/pdo_firebird/config.m4
@@ -1,7 +1,3 @@
-dnl
-dnl $Id$
-dnl
-
 PHP_ARG_WITH(pdo-firebird,for Firebird support for PDO,
 [  --with-pdo-firebird[=DIR] PDO: Firebird support.  DIR is the Firebird base
                           install directory [/opt/firebird]])
diff --git a/ext/pdo_firebird/config.w32 b/ext/pdo_firebird/config.w32
index 9cf5ac1337d..dc3ea0d17ef 100644
--- a/ext/pdo_firebird/config.w32
+++ b/ext/pdo_firebird/config.w32
@@ -1,4 +1,3 @@
-// $Id$
 // vim:ft=javascript
 
 ARG_WITH("pdo-firebird", "Firebird support for PDO", "no");
diff --git a/ext/pdo_firebird/firebird_driver.c b/ext/pdo_firebird/firebird_driver.c
index 72595de9f1a..2053a070053 100644
--- a/ext/pdo_firebird/firebird_driver.c
+++ b/ext/pdo_firebird/firebird_driver.c
@@ -16,8 +16,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/pdo_firebird/firebird_statement.c b/ext/pdo_firebird/firebird_statement.c
index efb232bff6b..5eb2e977e71 100644
--- a/ext/pdo_firebird/firebird_statement.c
+++ b/ext/pdo_firebird/firebird_statement.c
@@ -16,8 +16,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/pdo_firebird/pdo_firebird.c b/ext/pdo_firebird/pdo_firebird.c
index 9de9048859f..595a6a3987b 100644
--- a/ext/pdo_firebird/pdo_firebird.c
+++ b/ext/pdo_firebird/pdo_firebird.c
@@ -16,8 +16,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $Id$ */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/ext/pdo_firebird/php_pdo_firebird.h b/ext/pdo_firebird/php_pdo_firebird.h
index 3816497c2a6..f7e9f17f12b 100644
--- a/ext/pdo_firebird/php_pdo_firebird.h
+++ b/ext/pdo_firebird/php_pdo_firebird.h
@@ -16,8 +16,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $Id$ */
-
 #ifndef PHP_PDO_FIREBIRD_H
 #define PHP_PDO_FIREBIRD_H
 
diff --git a/ext/pdo_firebird/php_pdo_firebird_int.h b/ext/pdo_firebird/php_pdo_firebird_int.h
index b186eeb4742..15004b8d333 100644
--- a/ext/pdo_firebird/php_pdo_firebird_int.h
+++ b/ext/pdo_firebird/php_pdo_firebird_int.h
@@ -16,8 +16,6 @@
   +----------------------------------------------------------------------+
 */
 
-/* $Id$ */
-
 #ifndef PHP_PDO_FIREBIRD_INT_H
 #define PHP_PDO_FIREBIRD_INT_H