diff --git a/sh/lint/lint.sh b/sh/lint/lint.sh
index 53629c9..a340d0a 100644
--- a/sh/lint/lint.sh
+++ b/sh/lint/lint.sh
@@ -11,6 +11,20 @@ rwx_lint() {
 	done
 }
 
+# clean
+rwx_lint_clean() {
+	local path="${1}"
+	[ -n "${path}" ] || exit 1
+	local tool
+	set \
+		"mypy" \
+		"ruff"
+	for tool in "${@}"; do
+		rwx_log "${tool}"
+		rwx_remove "${path}/.${tool}_cache"
+	done
+}
+
 # lint python code
 rwx_lint_python() {
 	local path="${1}"