diff --git a/pkgs/development/ocaml-modules/janestreet/0.15.nix b/pkgs/development/ocaml-modules/janestreet/0.15.nix
index c25504d536a6..d9b0d004a77a 100644
--- a/pkgs/development/ocaml-modules/janestreet/0.15.nix
+++ b/pkgs/development/ocaml-modules/janestreet/0.15.nix
@@ -2,7 +2,6 @@
 , fetchpatch
 , lib
 , openssl
-, patdiff
 , zstd
 }:
 
@@ -452,6 +451,15 @@ with self;
     propagatedBuildInputs = [ base sexplib0 ];
   };
 
+  patdiff = janePackage {
+    pname = "patdiff";
+    hash = "0623a7n5r659rkxbp96g361mvxkcgc6x9lcbkm3glnppplk5kxr9";
+    propagatedBuildInputs = [ core_unix patience_diff ocaml_pcre ];
+    meta = {
+      description = "File Diff using the Patience Diff algorithm";
+    };
+  };
+
   patience_diff = janePackage {
     pname = "patience_diff";
     hash = "17yrhn4qfi31m8g1ygb3m6i9z4fqd8f60fn6viazgx06s3x4xp3v";
diff --git a/pkgs/tools/misc/patdiff/default.nix b/pkgs/tools/misc/patdiff/default.nix
deleted file mode 100644
index 2e84d0015d3a..000000000000
--- a/pkgs/tools/misc/patdiff/default.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{ ocamlPackages }:
-
-with ocamlPackages;
-
-janePackage {
-  pname = "patdiff";
-  hash = "0623a7n5r659rkxbp96g361mvxkcgc6x9lcbkm3glnppplk5kxr9";
-  propagatedBuildInputs = [ core_unix patience_diff ocaml_pcre ];
-  meta = {
-    description = "File Diff using the Patience Diff algorithm";
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2f60e268fc2e..66110b22d9a6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4366,8 +4366,6 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
-  patdiff = callPackage ../tools/misc/patdiff { };
-
   patool = with python3Packages; toPythonApplication patool;
 
   pbgopy = callPackage ../tools/text/pbgopy { };
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8add11f3d593..bbe7bdcc8c27 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1547,7 +1547,7 @@ let
     if lib.versionOlder "4.10.2" ocaml.version
     then import ../development/ocaml-modules/janestreet/0.15.nix {
       inherit self;
-      inherit (pkgs) fetchpatch lib openssl patdiff zstd;
+      inherit (pkgs) fetchpatch lib openssl zstd;
     }
     else if lib.versionOlder "4.08" ocaml.version
     then import ../development/ocaml-modules/janestreet/0.14.nix {