diff --git a/package.json b/package.json
index 88c3461d5f..bdfb9fecf8 100644
--- a/package.json
+++ b/package.json
@@ -63,8 +63,6 @@
     "@types/vinyl-buffer": "0.0.28",
     "@types/vinyl-source-stream": "0.0.28",
     "@types/websocket": "0.0.32",
-    "accesses": "1.2.0",
-    "argv": "0.0.2",
     "autwh": "0.0.1",
     "babel-core": "6.22.1",
     "babel-polyfill": "6.22.0",
@@ -84,7 +82,6 @@
     "crypto": "0.0.3",
     "debug": "2.6.0",
     "deepcopy": "0.6.3",
-    "del": "2.2.2",
     "elasticsearch": "12.1.3",
     "escape-html": "1.0.3",
     "escape-regexp": "0.0.1",
@@ -146,7 +143,6 @@
     "tcp-port-used": "0.1.2",
     "textarea-caret": "3.0.2",
     "tslint": "4.4.2",
-    "twitter": "1.7.0",
     "typescript": "2.1.5",
     "uuid": "3.0.1",
     "velocity-animate": "1.4.0",
@@ -155,7 +151,6 @@
     "vinyl-source-stream": "1.1.0",
     "websocket": "1.0.24",
     "whatwg-fetch": "2.0.2",
-    "xml2json": "0.11.0",
-    "yargs": "6.6.0"
+    "xml2json": "0.11.0"
   }
 }