diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 29993ac987..2a84cdef25 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -38,15 +38,11 @@
     "json5": "^0.5.0",
     "lodash": "^4.2.0",
     "micromatch": "^2.3.11",
-    "private": "^0.1.6",
     "resolve": "^1.3.2",
-    "slash": "^1.0.0",
     "source-map": "^0.5.0"
   },
   "devDependencies": {
-    "babel-helper-fixtures": "7.0.0-alpha.12",
     "babel-helper-transform-fixture-test-runner": "7.0.0-alpha.12",
-    "babel-polyfill": "7.0.0-alpha.12",
     "babel-register": "7.0.0-alpha.12"
   }
 }