diff --git a/freqtrade/exchange/common.py b/freqtrade/exchange/common.py
index e7c1fbbbb..62493e78f 100644
--- a/freqtrade/exchange/common.py
+++ b/freqtrade/exchange/common.py
@@ -45,7 +45,6 @@ BAD_EXCHANGES = {
 }
 
 MAP_EXCHANGE_CHILDCLASS = {
-    "okex": "okx",
     "gateio": "gate",
     "huboi": "htx",
 }