diff --git a/add_submodule.sh b/add_submodule.sh
deleted file mode 100755
index 133cb0a..0000000
--- a/add_submodule.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright (c) 2018-2020 Status Research & Development GmbH. Licensed under
-# either of:
-# - Apache License, version 2.0
-# - MIT license
-# at your option. This file may not be copied, modified, or distributed except
-# according to those terms.
-
-[ -z "$1" -o `echo "$1" | tr '/' '\n' | wc -l` != 2 ] && \
-	{ echo "Usage: `basename $0` some/repo [destdir] # 'destdir' defaults to 'vendor/repo'"; exit 1; }
-REPO="$1"
-
-DEST="vendor/${REPO#*/}"
-[ -n "$2" ] && DEST="$2"
-
-git submodule add --force https://github.com/${REPO}.git "$DEST"
-git config -f .gitmodules submodule.${DEST}.ignore untracked
-git config -f .gitmodules submodule.${DEST}.branch master
-