diff --git a/build/module_args/v8.gni b/build/module_args/v8.gni
index 8b5204c..aa2848c 100644
--- a/build/module_args/v8.gni
+++ b/build/module_args/v8.gni
@@ -9,5 +9,5 @@ if (is_android) {
 # TODO(sky): nuke this. Temporary while sorting out http://crbug.com/465456.
 enable_correct_v8_arch = false
 
-v8_use_external_startup_data = !(is_chromeos || is_win)
+v8_use_external_startup_data = false
 v8_extra_library_files = []