diff --git a/package.json b/package.json
index a5a5997..9051fc0 100644
--- a/package.json
+++ b/package.json
@@ -31,11 +31,9 @@
     "@babel/core": "^7.4.5",
     "@babel/preset-env": "^7.4.5",
     "@changesets/cli": "^2.7.2",
-    "@ungap/url-search-params": "^0.1.2",
     "autoprefixer": "^9.5.1",
     "browser-sync": "^2.26.3",
     "chalk": "^2.4.2",
-    "clipboard-polyfill": "^2.8.1",
     "cssnano": "^4.1.10",
     "eslint": "^7.1.0",
     "eslint-config-standard": "^14.1.1",
@@ -46,7 +44,6 @@
     "eslint-plugin-prefer-arrow": "^1.2.1",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.1",
-    "favicon-mode-switcher": "^1.0.4",
     "gulp": "^4.0.0",
     "gulp-babel": "^8.0.0",
     "gulp-bytediff": "^1.0.0",
@@ -66,8 +63,7 @@
     "postcss-inline-svg": "^4.1.0",
     "posthtml-include": "^1.2.0",
     "stylelint": "^13.5.0",
-    "stylelint-config-standard": "^20.0.0",
-    "vue": "^2.6.10"
+    "stylelint-config-standard": "^20.0.0"
   },
   "browserslist": {
     "legacy": [
diff --git a/yarn.lock b/yarn.lock
index e557fa0..85a05eb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1089,11 +1089,6 @@
   resolved "https://registry.yarnpkg.com/@types/unist/-/unist-2.0.3.tgz#9c088679876f374eb5983f150d4787aa6fb32d7e"
   integrity sha512-FvUupuM3rlRsRtCN+fDudtmytGO6iHJuuRKS1Ss0pG5z8oX0diNEw94UEL7hgDbpN94rgaK5R7sWm6RrSkZuAQ==
 
-"@ungap/url-search-params@^0.1.2":
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/@ungap/url-search-params/-/url-search-params-0.1.4.tgz#727e9b4c811beaa6be6d7e4cc0516663c884cfd0"
-  integrity sha512-RLwrxCTDNiNev9hpr9rDq8NyeQ8Nn0X1we4Wu7Tlf368I8r+7hBj3uObhifhuLk74egaYaSX5nUsBlWz6kjj+A==
-
 abab@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.3.tgz#623e2075e02eb2d3f2475e49f99c91846467907a"
@@ -2017,11 +2012,6 @@ cli-width@^2.0.0:
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.1.tgz#b0433d0b4e9c847ef18868a4ef16fd5fc8271c48"
   integrity sha512-GRMWDxpOB6Dgk2E5Uo+3eEBvtOOlimMmpbFiKuLFnQzYDavtLFY3K5ona41jgN/WdRZtG7utuVSVTL4HbZHGkw==
 
-clipboard-polyfill@^2.8.1:
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/clipboard-polyfill/-/clipboard-polyfill-2.8.6.tgz#19d27283f11f2933bb18737263b98b8c95b5a0f7"
-  integrity sha512-kz/1ov+PXsBpGnW9XJH3dLWdYj12FpXqO89Dngm/GRPoI36E/tnYs6N0YPTEhxM9WHAlFiN5eoyIVuv5nzKXvg==
-
 cliui@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
@@ -3409,11 +3399,6 @@ fastq@^1.6.0:
   dependencies:
     reusify "^1.0.4"
 
-favicon-mode-switcher@^1.0.4:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/favicon-mode-switcher/-/favicon-mode-switcher-1.1.0.tgz#b06ec7526f25fdf0b744b456f16b4c9315b42fed"
-  integrity sha512-SL+F07TzXtJJ+/HDniyTmRyovkSfOCCQ5w4BJhkKOj4G8jVITrMPtjhzjjBZt4oiOZlIoUOJblooN3zBiw1v9w==
-
 fclone@^1.0.11:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/fclone/-/fclone-1.0.11.tgz#10e85da38bfea7fc599341c296ee1d77266ee640"
@@ -8913,11 +8898,6 @@ vinyl@^2.0.0:
     remove-trailing-separator "^1.0.1"
     replace-ext "^1.0.0"
 
-vue@^2.6.10:
-  version "2.6.11"
-  resolved "https://registry.yarnpkg.com/vue/-/vue-2.6.11.tgz#76594d877d4b12234406e84e35275c6d514125c5"
-  integrity sha512-VfPwgcGABbGAue9+sfrD4PuwFar7gPb1yl1UK1MwXoQPAw0BKSqWfoYCT/ThFrdEVWoI51dBuyCoiNU9bZDZxQ==
-
 w3c-hr-time@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz#0a89cdf5cc15822df9c360543676963e0cc308cd"