diff --git a/ogn/model/receiver.py b/ogn/model/receiver.py
index 366a9a9..4d2096d 100644
--- a/ogn/model/receiver.py
+++ b/ogn/model/receiver.py
@@ -1,6 +1,6 @@
 import re
 
-from sqlalchemy import Column, String, Integer, Float
+from sqlalchemy import Column, String
 
 from ogn.model.beacon import Beacon