remove socket option, as we would need two sockets anyways

README.md

@@ -32,8 +32,6 @@ The following options are allowed:
 - `key`: the name of the key to pub/sub events on as prefix (`socket.io`)
 - `host`: host to connect to redis on (`localhost`)
 - `port`: port to connect to redis on (`6379`)
-- `socket`: unix domain socket to connect to redis (`"/tmp/redis.sock"`). Will
-  be used instead of the host and port options if specified.
 - `pubClient`: optional, the redis client to publish events on
 - `subClient`: optional, the redis client to subscribe to events on
 

index.js

@@ -42,19 +42,15 @@ function adapter(uri, opts){
   }
 
   // opts
-  var socket = opts.socket;
   var host = opts.host || '127.0.0.1';
   var port = Number(opts.port || 6379);
   var pub = opts.pubClient;
   var sub = opts.subClient;
   var prefix = opts.key || 'socket.io';
 
   // init clients if needed
-  if (!pub) pub = socket ? redis(socket) : redis(port, host);
-  if (!sub) sub = socket
-    ? redis(socket, { detect_buffers: true })
-    : redis(port, host, {detect_buffers: true});
-
+  if (!pub) pub = redis(port, host);
+  if (!sub) sub = redis(port, host, { detect_buffers: true });
 
   // this server's key
   var uid = uid2(6);