diff --git a/dune b/dune
index 97e3f6362..fcc03bede 100644
--- a/dune
+++ b/dune
@@ -1,11 +1,3 @@
-(executable
- (libraries unix)
- (name gen_commit))
-
-(rule
- (targets COMMIT)
- (action  (with-outputs-to %{targets} (run git rev-parse HEAD))))
-
 (rule
  (target deps.csv)
  (deps vpnkit.opam)
diff --git a/gen_commit.ml b/gen_commit.ml
deleted file mode 100644
index 20232534c..000000000
--- a/gen_commit.ml
+++ /dev/null
@@ -1,18 +0,0 @@
-(* Generate the artifact COMMIT which stores the source commit sha *)
-let usage_msg = "gen_commit -o <output>"
-let output_file = ref "COMMIT"
-
-let speclist =
-  [("-o", Arg.Set_string output_file, "Set output file name")]
-
-let other_arg name = Printf.fprintf stderr "ignoring unexpected argument %s" name
-
-let () =
-  Arg.parse speclist other_arg usage_msg;
-  (* Avoid using Unix shell features like redirection *)
-  let ic = Unix.open_process_in "git rev-parse HEAD" in
-  let commit = input_line ic in
-  let oc = open_out !output_file in
-  output_string oc commit;
-  close_out oc;
-  close_in ic
diff --git a/scripts/appveyor.sh b/scripts/appveyor.sh
index 53b752bd4..8b2b9f430 100755
--- a/scripts/appveyor.sh
+++ b/scripts/appveyor.sh
@@ -4,7 +4,6 @@ set -e
 
 cd "${APPVEYOR_BUILD_FOLDER}"
 
-opam exec -- dune build COMMIT
 opam exec -- dune build licenses.json
 opam exec -- dune build vpnkit.exe
 opam exec -- dune test