diff --git a/app/build-types/experimental/manifest/_base.json b/app/build-types/experimental/manifest/_base.json
deleted file mode 100644
index 330855a82b9b..000000000000
--- a/app/build-types/experimental/manifest/_base.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "permissions": ["sidePanel"],
-  "side_panel": {
-    "default_path": "sidepanel.html"
-  }
-}