diff --git a/librarian_background/rolling_deletion.py b/librarian_background/rolling_deletion.py
index 3983171..a364af8 100644
--- a/librarian_background/rolling_deletion.py
+++ b/librarian_background/rolling_deletion.py
@@ -107,11 +107,11 @@ def core(self, session: Session):
                     return False
 
             # Check that we got what we wanted.
-            try:
-                assert instance.created_time.replace(tzinfo=timezone.utc) < age_cutoff
-                assert instance.store_id == store.id
-                assert instance.available
-            except AssertionError:
+            valid_time = instance.created_time.replace(tzinfo=timezone.utc) < age_cutoff
+            valid_store = instance.store_id == store.id
+            all_ok = valid_time and valid_store and instance.available
+            
+            if not all_ok:
                 logger.error(
                     "Instance {} does not meet the criteria, skipping", instance.id
                 )