diff --git a/pkgs/development/ocaml-modules/janestreet/async_ssl.nix b/pkgs/development/ocaml-modules/janestreet/async_ssl.nix
index fdfd0338bb23..bc1977ce2d69 100644
--- a/pkgs/development/ocaml-modules/janestreet/async_ssl.nix
+++ b/pkgs/development/ocaml-modules/janestreet/async_ssl.nix
@@ -6,7 +6,6 @@ buildOcamlJane rec {
   name = "async_ssl";
   version = "113.33.07";
   hash = "0bhzpnmlx6dy4fli3i7ipjwqbsdi7fq171jrila5dr3ciy3841xs";
-  postPatch = "export CAML_LD_LIBRARY_PATH=${integers}/lib/ocaml/${ocaml.version}/site-lib/stubslibs:$CAML_LD_LIBRARY_PATH";
   propagatedBuildInputs = [ ctypes async comparelib core fieldslib
                             herelib pipebang sexplib openssl ocaml_oasis ];
   meta = with stdenv.lib; {