diff --git a/chromium/.gclient b/chromium/.gclient
index 722ba7d78..ddfe54204 100644
--- a/chromium/.gclient
+++ b/chromium/.gclient
@@ -3,7 +3,16 @@ solutions = [{
   'url': 'https://chromium.googlesource.com/chromium/src.git',
   'deps_file': '.DEPS.git',
   'managed': True,
-  'custom_deps': {},
+  'custom_deps': {
+    # Skip syncing some large dependencies WebRTC will never need.
+    'src/chrome/tools/test/reference_build/chrome_linux': None,
+    'src/chrome/tools/test/reference_build/chrome_mac': None,
+    'src/chrome/tools/test/reference_build/chrome_win': None,
+    'src/native_client': None,
+    'src/third_party/ffmpeg': None,
+    'src/third_party/WebKit': None,
+    'src/v8': None,
+  },
   'safesync_url': ''
 }]
 
diff --git a/sync_chromium.py b/sync_chromium.py
index 1957d2174..d02346c97 100755
--- a/sync_chromium.py
+++ b/sync_chromium.py
@@ -14,7 +14,7 @@ import sys
 
 # Bump this whenever the algorithm changes and you need bots/devs to re-sync,
 # ignoring the .last_sync_chromium file
-SCRIPT_VERSION = 1
+SCRIPT_VERSION = 2
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))