diff --git a/tangostationcontrol/tangostationcontrol/toolkit/retriever.py b/tangostationcontrol/tangostationcontrol/toolkit/retriever.py
index f9b996480ca4372aa4d7da3e74b3b045b718623f..c0364882ea635f715a0beabc3b91b96eecb017fc 100644
--- a/tangostationcontrol/tangostationcontrol/toolkit/retriever.py
+++ b/tangostationcontrol/tangostationcontrol/toolkit/retriever.py
@@ -8,7 +8,6 @@ from sqlalchemy import create_engine, and_
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.orm.exc import NoResultFound
 import importlib
-import numpy
 
 class Retriever(ABC):
     """