diff --git a/backend/app/schemas.py b/backend/app/schemas.py
index 699b8d5..7519ba5 100644
--- a/backend/app/schemas.py
+++ b/backend/app/schemas.py
@@ -288,8 +288,6 @@ class SlotSchema(BaseModel):
     dewar_name: Optional[str]
     time_until_refill: Optional[int]
     at_beamline: Optional[bool]
-    retrieved: Optional[bool]
-    retrievedTimestamp: Optional[str]
     beamlineLocation: Optional[str]
 
     class Config: