diff --git a/tools_webrtc/autoroller/roll_deps.py b/tools_webrtc/autoroller/roll_deps.py
index 45a3a94..9259b44 100755
--- a/tools_webrtc/autoroller/roll_deps.py
+++ b/tools_webrtc/autoroller/roll_deps.py
@@ -28,6 +28,8 @@
 
 # Skip these dependencies (list without solution name prefix).
 DONT_AUTOROLL_THESE = [
+  # TODO(crbug.com/927867): resume rolling this as chromium/src/buildtools.
+  'src/buildtools',
   'src/examples/androidtests/third_party/gradle',
 ]
 
diff --git a/tools_webrtc/autoroller/unittests/roll_deps_test.py b/tools_webrtc/autoroller/unittests/roll_deps_test.py
index 33efe09..68e6d62 100755
--- a/tools_webrtc/autoroller/unittests/roll_deps_test.py
+++ b/tools_webrtc/autoroller/unittests/roll_deps_test.py
@@ -24,6 +24,9 @@
   GetMatchingDepsEntries, ParseDepsDict, ParseLocalDepsFile, UpdateDepsFile, \
   ChromiumRevisionUpdate
 
+# HACK to avoid updating unittests just because buildtools roll is disabled.
+roll_deps.DONT_AUTOROLL_THESE.remove('src/buildtools')
+
 SRC_DIR = os.path.join(PARENT_DIR, os.pardir, os.pardir)
 sys.path.append(os.path.join(SRC_DIR, 'third_party', 'pymock'))
 import mock