diff --git a/packages/babel-plugin-transform-decorators/package.json b/packages/babel-plugin-transform-decorators/package.json
index 05b2e6e480..f8f1b5c5ca 100644
--- a/packages/babel-plugin-transform-decorators/package.json
+++ b/packages/babel-plugin-transform-decorators/package.json
@@ -10,7 +10,6 @@
   ],
   "dependencies": {
     "babel-types": "^6.13.0",
-    "babel-helper-define-map": "^6.8.0",
     "babel-plugin-syntax-decorators": "^6.13.0",
     "babel-helper-explode-class": "^6.8.0",
     "babel-template": "^6.8.0",