Axios已定义但从未使用过

我爱可信导入后，import axios from "axios";在我的App.vue文件，我得到了axios is defined but never used错误。我附上了错误图片和package.json代码。我安装了axios。如何解决？

package.json文件为：

{
  "name": "myvue",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build",
    "lint": "vue-cli-service lint"
  },
  "dependencies": {
    "@mdi/font": "^3.6.95",
    "@vue/test-utils": "^1.0.0-beta.29",
    "axios": "^0.19.0",
    "core-js": "^3.3.2",
    "material-design-icons-iconfont": "^5.0.1",

    "roboto-fontface": "*",
    "vue": "^2.6.10",
    "vuetify": "^2.1.10"
  },
  "devDependencies": {
    "@vue/cli-plugin-babel": "^4.0.0",
    "@vue/cli-plugin-eslint": "^4.0.0",
    "@vue/cli-service": "^4.0.0",
    "babel-eslint": "^10.0.3",
    "eslint": "^5.16.0",
    "eslint-plugin-vue": "^5.0.0",
    "sass": "^1.19.0",
    "sass-loader": "^8.0.0",
    "vue-cli-plugin-vuetify": "^2.0.2",
    "vue-template-compiler": "^2.6.10",
    "vuetify-loader": "^1.3.0"
  }
}