diff --git a/packages/worker/yarn.lock b/packages/worker/yarn.lock
index 008822f3a6..335e7c6806 100644
--- a/packages/worker/yarn.lock
+++ b/packages/worker/yarn.lock
@@ -499,13 +499,6 @@
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
-"@koa/cors@^3.1.0":
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/@koa/cors/-/cors-3.1.0.tgz#618bb073438cfdbd3ebd0e648a76e33b84f3a3b2"
-  integrity sha512-7ulRC1da/rBa6kj6P4g2aJfnET3z8Uf3SWu60cjbtxTA5g8lxRdX/Bd2P92EagGwwAhANeNw8T8if99rJliR6Q==
-  dependencies:
-    vary "^1.1.2"
-
 "@koa/router@^8.0.0":
   version "8.0.8"
   resolved "https://registry.yarnpkg.com/@koa/router/-/router-8.0.8.tgz#95f32d11373d03d89dcb63fabe9ac6f471095236"