diff --git a/src/main.cpp b/src/main.cpp
index 4c0538df..dcee2c37 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -68,9 +68,6 @@ int main(int argc, char* argv[]) {
 	v8::V8::InitializePlatform(gPlatform);
 	v8::V8::Initialize();
 
-	const char* kAsyncAwait = "--harmony-async-await";
-	v8::V8::SetFlagsFromString(kAsyncAwait, std::strlen(kAsyncAwait));
-
 	v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
 
 	bool isChild = false;