diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index 568769fff..0a75ce3d7 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -813,17 +813,3 @@ class FreqtradeBot(object):
         # Send the message
         self.rpc.send_msg(msg)
         Trade.session.flush()
-
-    def update_wallets(self) -> bool:
-        wallets = self.exchange.get_balances()
-
-        for currency in wallets:
-            wallet = Wallet(
-                exchange=self.exchange._api.id,
-                currency=currency,
-                free=wallets[currency]['free'],
-                used=wallets[currency]['used'],
-                total=wallets[currency]['total']
-            )
-            Wallet.session.add(wallet)
-        Wallet.session.flush()
diff --git a/freqtrade/persistence.py b/freqtrade/persistence.py
index 2936819a6..aa380d20b 100644
--- a/freqtrade/persistence.py
+++ b/freqtrade/persistence.py
@@ -9,7 +9,7 @@ from typing import Any, Dict, Optional
 
 import arrow
 from sqlalchemy import (Boolean, Column, DateTime, Float, Integer, String,
-                        create_engine, inspect, PrimaryKeyConstraint)
+                        create_engine, inspect)
 from sqlalchemy.exc import NoSuchModuleError
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm.scoping import scoped_session