diff --git a/.yarnrc.yml b/.yarnrc.yml
index ef183939f..ed595f583 100644
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@@ -20,9 +20,6 @@ packageExtensions:
     dependencies:
       react: "*"
       react-dom: "*"
-  rc-dropdown@*:
-    dependencies:
-      rc-util: "*"
   rc-input-number@*:
     dependencies:
       react: "*"