diff --git a/package.json b/package.json
index f23935beb..a65772a15 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,6 @@
     "@babel/preset-env": "^7.3.4",
     "@babel/preset-react": "^7.0.0",
     "@babel/runtime": "^7.3.4",
-    "@clusterws/cws": "^0.16.0",
     "@popperjs/core": "^2.4.4",
     "array-includes": "^3.0.3",
     "autoprefixer": "^9.5.1",
diff --git a/yarn.lock b/yarn.lock
index f28e95c69..17265f4ad 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1134,11 +1134,6 @@
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
   integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==
 
-"@clusterws/cws@^0.16.0":
-  version "0.16.0"
-  resolved "https://registry.yarnpkg.com/@clusterws/cws/-/cws-0.16.0.tgz#f6116cbf3a8b7ad0657916616ce5f8248746b797"
-  integrity sha512-YeGpAPIdkBsOnAkmFKVMWEjCKDH900U2if0B+nc1imfv+64AIb2JX2xiTA6BLDLppEgWV5c6bpWESjbHCNblHw==
-
 "@cnakazawa/watch@^1.0.3":
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.3.tgz#099139eaec7ebf07a27c1786a3ff64f39464d2ef"