diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 1648f83aa000..8a4408260042 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1058,9 +1058,7 @@ let
 
     ppx_bap = callPackage ../development/ocaml-modules/ppx_bap { };
 
-    ppx_bitstring = callPackage ../development/ocaml-modules/bitstring/ppx.nix {
-      ppxlib = ppxlib.override { version = "0.22.0"; };
-    };
+    ppx_bitstring = callPackage ../development/ocaml-modules/bitstring/ppx.nix { };
 
     ppxfind = callPackage ../development/ocaml-modules/ppxfind { };