diff --git a/src/keystore/postgres.py b/src/keystore/postgres.py
index fc3b8ec..013964c 100644
--- a/src/keystore/postgres.py
+++ b/src/keystore/postgres.py
@@ -24,7 +24,6 @@ class ReferenceDatabase:
 
 
         def __init__(self, dbname, **kwargs):
-            logg.debug(kwargs)
             self.conn = psycopg2.connect('dbname='+dbname)
             self.cur = self.conn.cursor()
             self.symmetric_key = kwargs.get('symmetric_key')
@@ -32,7 +31,6 @@ class ReferenceDatabase:
 
         def get(self, address, password=None):
             s = sql.SQL('SELECT key_ciphertext FROM ethereum WHERE wallet_address_hex = %s')
-            logg.debug(address)
             self.cur.execute(s, [ address ] )
             k = self.cur.fetchone()[0]
             return self._decrypt(k, password)
@@ -41,9 +39,7 @@ class ReferenceDatabase:
         def new(self, address, password=None):
             b = os.urandom(32)
             pk = keyapi.PrivateKey(b)
-            logg.debug('pk {}'.format(pk.to_hex()))
             c = self._encrypt(pk.to_bytes(), password)
-            logg.debug('pkc {} {}'.format(c, len(pk.to_bytes())))
             s = sql.SQL('INSERT INTO ethereum (wallet_address_hex, key_ciphertext) VALUES (%s, %s)')
             self.cur.execute(s, [ address, c.decode('utf-8') ])
 
diff --git a/test/test_database.py b/test/test_database.py
index 777b882..76b8953 100644
--- a/test/test_database.py
+++ b/test/test_database.py
@@ -6,7 +6,7 @@ import base64
 
 import psycopg2
 from psycopg2 import sql
-from cryptography.fernet import Fernet
+from cryptography.fernet import Fernet, InvalidToken
 
 from keystore import ReferenceDatabase
 
@@ -52,8 +52,9 @@ class TestDatabase(unittest.TestCase):
 
 
     def test_get_key(self):
-        pk = self.db.get(self.address_hex, 'foo')
-        logg.info('pk {}'.format(pk.hex()))
+        self.db.get(self.address_hex, 'foo')
+        with self.assertRaises(InvalidToken):
+           self.db.get(self.address_hex, 'bar')
 
 
 if __name__ == '__main__':