diff --git a/pkgs/development/ocaml-modules/xenstore-tool/default.nix b/pkgs/development/ocaml-modules/xenstore-tool/default.nix
index df61ab0eb491..d7c85b729c80 100644
--- a/pkgs/development/ocaml-modules/xenstore-tool/default.nix
+++ b/pkgs/development/ocaml-modules/xenstore-tool/default.nix
@@ -11,10 +11,6 @@ buildDunePackage {
 
   inherit (xenstore_transport) src version;
 
-  postPatch = ''
-    substituteInPlace cli/dune --replace 'libraries ' 'libraries camlp-streams '
-  '';
-
   buildInputs = [
     camlp-streams
     xenstore_transport