diff --git a/flake.lock b/flake.lock
index f8555f3..a4b4c9c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,11 +21,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1685518550,
-        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
+        "lastModified": 1687709756,
+        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
+        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
         "type": "github"
       },
       "original": {
@@ -92,11 +92,11 @@
         "opam2json": "opam2json"
       },
       "locked": {
-        "lastModified": 1682411044,
-        "narHash": "sha256-HJY+LANQ75YQSfaTCOnmtiF4pF8d9Eb4dz+wLyNAihE=",
+        "lastModified": 1688594513,
+        "narHash": "sha256-sw9fsME6MxhX++J54JqP+v9gFQjaxAwxyoihEg0oX0M=",
         "owner": "tweag",
         "repo": "opam-nix",
-        "rev": "02f7ae28a210e17ca5811b0a4c116acd94e82faa",
+        "rev": "5bfdc95cfb7662cac808eb1baa70ae3fff0cab4f",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 725768d..7d6e324 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,24 +9,42 @@
       let
         pkgs = nixpkgs.legacyPackages.${system};
         on = opam-nix.lib.${system};
+
         localPackagesQuery = builtins.mapAttrs (_: pkgs.lib.last)
           (on.listRepo (on.makeOpamRepo ./.));
+
         devPackagesQuery = {
           ocaml-lsp-server = "*";
           ocp-indent = "*";
           merlin = "*";
         };
+
         query = devPackagesQuery // {
           ocaml-base-compiler = "*";
         };
+
         scope = on.buildDuneProject { } "polytt" ./. query;
+
+        overlay = self: super: {
+          # Prevent unnecessary dependencies on the resulting derivation
+          polytt = super.polytt.overrideAttrs (_: {
+            removeOcamlReferences = true;
+            postFixup = "rm -rf $out/nix-support";
+          });
+        };
+
+        scope' = scope.overrideScope' overlay;
+
+        # Packages from devPackagesQuery
         devPackages = builtins.attrValues
-          (pkgs.lib.getAttrs (builtins.attrNames devPackagesQuery) scope);
+          (pkgs.lib.getAttrs (builtins.attrNames devPackagesQuery) scope');
+
+        # Packages in this workspace
         packages =
-          pkgs.lib.getAttrs (builtins.attrNames localPackagesQuery) scope;
+          pkgs.lib.getAttrs (builtins.attrNames localPackagesQuery) scope';
       in
       {
-        legacyPackages = scope;
+        legacyPackages = scope';
 
         packages = packages // { default = packages.polytt; };