diff --git a/zerver/lib/push_notifications.py b/zerver/lib/push_notifications.py
index 7355a428e2..3852813fdc 100644
--- a/zerver/lib/push_notifications.py
+++ b/zerver/lib/push_notifications.py
@@ -1002,7 +1002,7 @@ def handle_remove_push_notification(user_profile_id: int, message_ids: List[int]
     # space consume 12 bytes, and 12 x 200 = 2400 bytes is still well
     # below the 4KB limit (leaving plenty of space for metadata).
     MAX_APNS_MESSAGE_IDS = 200
-    truncated_message_ids = list(sorted(message_ids))[-MAX_APNS_MESSAGE_IDS:]
+    truncated_message_ids = sorted(message_ids)[-MAX_APNS_MESSAGE_IDS:]
     gcm_payload, gcm_options = get_remove_payload_gcm(user_profile, truncated_message_ids)
     apns_payload = get_remove_payload_apns(user_profile, truncated_message_ids)
 
diff --git a/zerver/models.py b/zerver/models.py
index a85c289b70..5d9e7f3adf 100644
--- a/zerver/models.py
+++ b/zerver/models.py
@@ -1283,7 +1283,7 @@ class RealmFilter(models.Model):
         # Report patterns missing in linkifier pattern.
         missing_in_pattern_set = found_group_set - group_set
         if len(missing_in_pattern_set) > 0:
-            name = list(sorted(missing_in_pattern_set))[0]
+            name = min(missing_in_pattern_set)
             raise ValidationError(
                 _("Group %(name)r in URL format string is not present in linkifier pattern."),
                 params={"name": name},
@@ -1295,7 +1295,7 @@ class RealmFilter(models.Model):
             # We just report the first missing pattern here. Users can
             # incrementally resolve errors if there are multiple
             # missing patterns.
-            name = list(sorted(missing_in_url_set))[0]
+            name = min(missing_in_url_set)
             raise ValidationError(
                 _("Group %(name)r in linkifier pattern is not present in URL format string."),
                 params={"name": name},
diff --git a/zilencer/views.py b/zilencer/views.py
index 9210ac1817..07c4479274 100644
--- a/zilencer/views.py
+++ b/zilencer/views.py
@@ -261,7 +261,7 @@ def remote_server_notify_push(
         MAX_MESSAGE_IDS = 200
         if payload and payload.get("event") == "remove" and payload.get("zulip_message_ids"):
             ids = [int(id) for id in payload["zulip_message_ids"].split(",")]
-            truncated_ids = list(sorted(ids))[-MAX_MESSAGE_IDS:]
+            truncated_ids = sorted(ids)[-MAX_MESSAGE_IDS:]
             payload["zulip_message_ids"] = ",".join(str(id) for id in truncated_ids)
         return payload