diff --git a/lib/manager/index.ts b/lib/manager/index.ts
index afe441472d30cd..dd8d987b5d327b 100644
--- a/lib/manager/index.ts
+++ b/lib/manager/index.ts
@@ -64,10 +64,7 @@ export async function extractAllPackageFiles(
     if (!res) {
       return null;
     }
-    return res.map((packageFile) => ({
-      ...packageFile,
-      managerPackageFileList: files,
-    }));
+    return res;
   }
   return null;
 }
diff --git a/lib/workers/repository/extract/__snapshots__/manager-files.spec.ts.snap b/lib/workers/repository/extract/__snapshots__/manager-files.spec.ts.snap
index bdb8c7cc7f2215..820b3ed43be33d 100644
--- a/lib/workers/repository/extract/__snapshots__/manager-files.spec.ts.snap
+++ b/lib/workers/repository/extract/__snapshots__/manager-files.spec.ts.snap
@@ -18,9 +18,6 @@ Array [
     "lernaClient": undefined,
     "lernaDir": undefined,
     "lernaPackages": undefined,
-    "managerPackageFileList": Array [
-      "package.json",
-    ],
     "npmLock": undefined,
     "npmrc": undefined,
     "packageFile": "package.json",