diff --git a/lake-manifest.json b/lake-manifest.json
index 8121241..f5dda02 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -10,17 +10,7 @@
    "manifestFile": "lake-manifest.json",
    "inputRev": "v4.28.0",
    "inherited": false,
-   "configFile": "lakefile.lean"},
-  {"url": "https://github.com/leanprover-community/batteries.git",
-   "type": "git",
-   "subDir": null,
-   "scope": "",
-   "rev": "495c008c3e3f4fb4256ff5582ddb3abf3198026f",
-   "name": "batteries",
-   "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.28.0",
-   "inherited": false,
-   "configFile": "lakefile.toml"}],
+   "configFile": "lakefile.lean"}],
  "name": "raylean",
  "lakeDir": ".lake",
  "fixedToolchain": false}
diff --git a/lakefile.lean b/lakefile.lean
index 2df8865..63b2b75 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -5,8 +5,6 @@ def optionUseBundle : Bool := get_config? bundle == some "on"
 
 def optionDisableResvg : Bool := get_config? resvg == some "disable"
 
-require batteries from git "https://github.com/leanprover-community/batteries.git" @ "v4.28.0"
-
 require «lens-demo» from git "https://github.com/funexists/lens-demo.git" @ "v4.28.0"
 
 package raylean where