diff --git a/data/refdata/exchanges.cfg b/data/refdata/exchanges.cfg
index d700604..73fa2ed 100644
--- a/data/refdata/exchanges.cfg
+++ b/data/refdata/exchanges.cfg
@@ -297,7 +297,6 @@
 
         , "mktdata" : {
             "class":  "cvttpy_trading.exchanges.coinbase.spot.mkt_data.CoinbaseSpotMdFeed"
-            # "class":  "cvttpy_trading.exchanges.coinbase.spot.mkt_data.CoinbaseMdFeed"
 
             , "reconnect_secs": 2
             , "max_connections": 10
@@ -340,7 +339,6 @@
                 }
             }
         }
-
     }
     , "COINBASE_FUT": {
         "exchange_id":          "COINBASE-FUT"