diff --git a/chromium/third_party/WebKit/Source/bindings/core/v8/generated.gyp b/chromium/third_party/WebKit/Source/bindings/core/v8/generated.gyp
index 6a61c2e7a4da4a21776f49251ab2f938061acb4a..22a18198dfb5a9581082a020f5ef3eca7ee4d9af 100644
--- a/chromium/third_party/WebKit/Source/bindings/core/v8/generated.gyp
+++ b/chromium/third_party/WebKit/Source/bindings/core/v8/generated.gyp
@@ -80,7 +80,6 @@
       # Update that regex if command line changes (other than changing flags)
       'action': [
         'python',
-        '-S',  # skip 'import site' to speed up startup
         '<(bindings_scripts_dir)/idl_compiler.py',
         '--cache-dir',
         '<(bindings_scripts_output_dir)',
diff --git a/chromium/third_party/WebKit/Source/bindings/modules/v8/generated.gyp b/chromium/third_party/WebKit/Source/bindings/modules/v8/generated.gyp
index ffe504b1769651249b5fc8f0ff8f13bfaa15a619..f10084ba8afd84e1f7db2f977fbd2c6821d63509 100644
--- a/chromium/third_party/WebKit/Source/bindings/modules/v8/generated.gyp
+++ b/chromium/third_party/WebKit/Source/bindings/modules/v8/generated.gyp
@@ -68,7 +68,6 @@
       # Update that regex if command line changes (other than changing flags)
       'action': [
         'python',
-        '-S',  # skip 'import site' to speed up startup
         '<(bindings_scripts_dir)/idl_compiler.py',
         '--cache-dir',
         '<(bindings_scripts_output_dir)',