diff --git a/package.json b/package.json
index 1752b5f..25c0498 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
   "devDependencies": {
     "@ivanv/vue-collapse-transition": "^1.0.2",
     "@rushstack/eslint-patch": "^1.2.0",
-    "@types/lz-string": "^1.5.0",
     "@vue/eslint-config-prettier": "^7.1.0",
     "@vue/eslint-config-typescript": "^11.0.3",
     "eslint": "^8.6.0",