diff --git a/DEPS b/DEPS
index 7e49062330..6fe1369e62 100644
--- a/DEPS
+++ b/DEPS
@@ -4,7 +4,6 @@
 # instead.
 
 vars = {
-  'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
   'chromium_revision': '5e821a778b85878bafcc8128f64333fd518c79a5',
 }
diff --git a/tools/autoroller/unittests/DEPS b/tools/autoroller/unittests/DEPS
index 71f01ad827..82638f8ee9 100644
--- a/tools/autoroller/unittests/DEPS
+++ b/tools/autoroller/unittests/DEPS
@@ -1,7 +1,6 @@
 # Sample DEPS file for testing.
 
 vars = {
-  'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
   'chromium_revision': '1b9c098a08e40114e44b6c1ec33ddf95c40b901d',
 }
diff --git a/tools/autoroller/unittests/roll_chromium_revision_test.py b/tools/autoroller/unittests/roll_chromium_revision_test.py
index cb3c776a84..7c899e92a9 100755
--- a/tools/autoroller/unittests/roll_chromium_revision_test.py
+++ b/tools/autoroller/unittests/roll_chromium_revision_test.py
@@ -21,7 +21,6 @@ from roll_chromium_revision import ParseDepsDict, UpdateDeps, \
     GetMatchingDepsEntries
 
 TEST_DATA_VARS = {
-  'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
   'chromium_revision': '1b9c098a08e40114e44b6c1ec33ddf95c40b901d',
 }
@@ -61,7 +60,6 @@ class TestRollChromiumRevision(unittest.TestCase):
 
     def assertVar(variable_name):
       self.assertEquals(vars_dict[variable_name], TEST_DATA_VARS[variable_name])
-    assertVar('extra_gyp_flag')
     assertVar('chromium_git')
     assertVar('chromium_revision')
 
diff --git a/webrtc/build/extra_gitignore.py b/webrtc/build/extra_gitignore.py
deleted file mode 100755
index f8496686bb..0000000000
--- a/webrtc/build/extra_gitignore.py
+++ /dev/null
@@ -1,46 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-
-""" Adds extra patterns to the root .gitignore file.
-
-Reads the contents of the filename given as the first argument and appends
-them to the root .gitignore file. The new entires are intended to be additional
-ignoring patterns, or negating patterns to override existing entries (man
-gitignore for more details).
-"""
-
-import os
-import sys
-
-MODIFY_STRING = '# The following added by %s\n'
-
-
-def main(argv):
-  if not argv[1]:
-    # Special case; do nothing.
-    return 0
-
-  modify_string = MODIFY_STRING % argv[0]
-  gitignore_file = os.path.dirname(argv[0]) + '/../../.gitignore'
-  lines = open(gitignore_file, 'r').readlines()
-  for i, line in enumerate(lines):
-    # Look for modify_string in the file to ensure we don't append the extra
-    # patterns more than once.
-    if line == modify_string:
-      lines = lines[:i]
-      break
-  lines.append(modify_string)
-
-  f = open(gitignore_file, 'w')
-  f.write(''.join(lines))
-  f.write(open(argv[1], 'r').read())
-  f.close()
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))