diff --git a/build/non-unified-compat b/build/non-unified-compat
index af9c99e48f3c..d6b5809d0bc6 100644
--- a/build/non-unified-compat
+++ b/build/non-unified-compat
@@ -64,4 +64,5 @@ dom/url/
 dom/vr/
 dom/webauthn/
 dom/webbrowserpersist/
-dom/webidl/
\ No newline at end of file
+dom/webidl/
+dom/webshare/
\ No newline at end of file