diff --git a/genotype_api/database/database.py b/genotype_api/database/database.py
index 6b17622..89c8026 100644
--- a/genotype_api/database/database.py
+++ b/genotype_api/database/database.py
@@ -59,4 +59,3 @@ async def drop_all_tables():
     """Drop all tables in the database."""
     async with engine.begin() as conn:
         await conn.run_sync(Base.metadata.drop_all)
-        await conn.run_sync(Base.metadata.drop_all)