diff --git a/packages/util/environment/package.json b/packages/util/environment/package.json
index 94a2a76ef6..6029a9f52a 100644
--- a/packages/util/environment/package.json
+++ b/packages/util/environment/package.json
@@ -21,9 +21,7 @@
   "files": [
     "lib/index.js",
     "lib/invariant.js",
-    "lib/types/**/*.d.ts",
-    "lib/types/**/*.d.ts.map",
-    "src"
+    "lib/types/**/*.d.ts"
   ],
   "license": "BSD-3-Clause",
   "peerDependencies": {