diff --git a/pkgs/development/ocaml-modules/ocf/default.nix b/pkgs/development/ocaml-modules/ocf/default.nix
index 11be8a13a57..4da9fb45d33 100644
--- a/pkgs/development/ocaml-modules/ocf/default.nix
+++ b/pkgs/development/ocaml-modules/ocf/default.nix
@@ -18,11 +18,14 @@ stdenv.mkDerivation rec {
 
   createFindlibDestdir = true;
 
+  dontStrip = true;
+
   patches = [(fetchpatch {
     url = "https://github.com/zoggy/ocf/commit/3a231c7a6c5e535a77c25e207af8952793436444.patch";
     sha256 = "0nc8cggc5gxhch9amaz3s71lxs1xbgi7fs9p90cng04dsgr64xk5";
   })
   ];
+
   meta = with stdenv.lib; {
     description = "OCaml library to read and write configuration options in JSON syntax";
     homepage = "https://zoggy.github.io/ocf/";
@@ -31,4 +34,3 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ regnat ];
   };
 }
-
diff --git a/pkgs/development/ocaml-modules/xtmpl/default.nix b/pkgs/development/ocaml-modules/xtmpl/default.nix
index c3d7637e870..86c9974c931 100644
--- a/pkgs/development/ocaml-modules/xtmpl/default.nix
+++ b/pkgs/development/ocaml-modules/xtmpl/default.nix
@@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
 
   createFindlibDestdir = true;
 
+  dontStrip = true;
+
   meta = with stdenv.lib; {
     description = "Xml template library for OCaml";
     homepage = "https://zoggy.github.io/xtmpl/";
@@ -27,5 +29,3 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ regnat ];
   };
 }
-
-