diff --git a/.gitignore b/.gitignore
index 1a323fd30c62f5..a4bc00c9e7c08c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -231,6 +231,7 @@ v8.log
 /third_party/webgl_conformance
 /third_party/webpagereplay/
 /third_party/webrtc
+/third_party/widevine
 /third_party/wix
 /third_party/xdg-utils
 /third_party/xulrunner-sdk
@@ -245,6 +246,7 @@ v8.log
 /tools/histograms
 /tools/json_schema_compiler/test/json_schema_compiler_tests.xml
 /tools/page_cycler/acid3
+/tools/perf/data
 /tools/swarm_client
 /tools/tryserver
 /tools/win/link_limiter/build