diff --git a/tools/upgrade-miaou-bash b/tools/upgrade-miaou-bash
deleted file mode 100755
index ce26e20..0000000
--- a/tools/upgrade-miaou-bash
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-
-set -Eeuo pipefail
-
-if [[ $(stat -c %u /opt/miaou-bash) -eq 0 ]]; then
-
-    if [[ -d /opt/miaou-bash ]]; then
-        local_release=$(cat /opt/miaou-bash/.semver_git_tag)
-    fi
-
-    echo -n "miaou-bash: collecting latest release from server url ... "
-    remote_release=$(wget_semver artcode miaou/miaou-bash)
-    echo -n "$remote_release"
-
-    if [[ $local_release != $remote_release ]]; then
-        echo " , upgrading from <$local_release> to <$remote_release> ..."
-        curl --no-progress-meter https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s
-    else
-        echo " up-to-date!"
-    fi
-else
-    echo DEVELOPMENT MODE detected!
-    if [[ $(stat -c %u /opt/miaou-bash) -eq $(id -u) ]]; then
-        cd /opt/miaou-bash
-        git pull
-        cd -
-        echo "git refreshed"
-    else
-        echo "please, ask user <$(stat -c %U /opt/miaou-bash)> to perform a git refresh!"
-        exit 1
-    fi
-fi