diff --git a/build/standalone.gypi b/build/standalone.gypi
index 00bbd4f..7dbbe11 100644
--- a/build/standalone.gypi
+++ b/build/standalone.gypi
@@ -261,7 +261,6 @@
       4100, # Unreferenced formal parameter
       4121, # Alignment of a member was sensitive to packing
       4244, # Conversion from 'type1' to 'type2', possible loss of data
-      4481, # Nonstandard extension used: override specifier 'keyword'
       4505, # Unreferenced local function has been removed
       4510, # Default constructor could not be generated
       4512, # Assignment operator could not be generated