diff --git a/package-lock.json b/package-lock.json
index 4c987cbd..15c120cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3610,12 +3610,6 @@
         "path-type": "^3.0.0"
       }
     },
-    "disable-output-webpack-plugin": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/disable-output-webpack-plugin/-/disable-output-webpack-plugin-1.0.1.tgz",
-      "integrity": "sha512-fT4qiosyTqteTKDbYLXISMKzMVbl2dMXbMpUN3VPAUxX9JL81MmOilisbX555W1XS4B6FRzQt9zMtqg1T6Jx9Q==",
-      "dev": true
-    },
     "doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -7500,12 +7494,6 @@
         "boolbase": "~1.0.0"
       }
     },
-    "null-loader": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/null-loader/-/null-loader-0.1.1.tgz",
-      "integrity": "sha1-F76av80/8OFRL2/Er8sfUDk3j64=",
-      "dev": true
-    },
     "number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
diff --git a/package.json b/package.json
index e379fb4d..9fc08b59 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,6 @@
     "clean-webpack-plugin": "^1.0.1",
     "copy-webpack-plugin": "^5.1.1",
     "css-loader": "^1.0.0",
-    "disable-output-webpack-plugin": "^1.0.1",
     "element-theme-chalk": "^2.12.0",
     "eslint": "^5.16.0",
     "eslint-plugin-html": "^5.0.5",
@@ -42,7 +41,6 @@
     "file-loader": "^3.0.1",
     "html-webpack-plugin": "^3.2.0",
     "mini-css-extract-plugin": "^0.5.0",
-    "null-loader": "^0.1.1",
     "optimize-css-assets-webpack-plugin": "^5.0.3",
     "pkg": "^4.4.2",
     "terser-webpack-plugin": "^1.4.1",