diff --git a/genotype_api/api/app.py b/genotype_api/api/app.py
index 2e1bcf0..d521c23 100644
--- a/genotype_api/api/app.py
+++ b/genotype_api/api/app.py
@@ -76,8 +76,3 @@ def welcome():
 def on_startup():
     initialise_database(settings.db_uri)
     create_all_tables()
-
-
-@app.on_event("shutdown")
-async def on_shutdown():
-    close_session()