Fix bug of balances not disappearing

freqtrade/wallets.py

@@ -2,6 +2,7 @@
 """ Wallet """
 
 import logging
+from copy import deepcopy
 from typing import Any, Dict, NamedTuple
 
 import arrow
@@ -93,6 +94,10 @@ class Wallets:
                 balances[currency].get('used', None),
                 balances[currency].get('total', None)
             )
+        # Remove currencies no longer in get_balances output
+        for currency in deepcopy(self._wallets):
+            if currency not in balances:
+                del self._wallets[currency]
 
     def update(self, require_update: bool = True) -> None:
         """