diff --git a/src/server.js b/src/server.js
index 1425b31e..24b48e8a 100644
--- a/src/server.js
+++ b/src/server.js
@@ -323,7 +323,7 @@ const server = program => {
 
       const serverInstance = await createServer()
 
-      const io = require('socket.io')(serverInstance, {
+      require('socket.io')(serverInstance, {
         parser: binaryParser,
         transports: ['websocket', 'polling'],
         cors: {