diff --git a/zerver/lib/actions.py b/zerver/lib/actions.py
index 369dd38c7b..8b13789179 100644
--- a/zerver/lib/actions.py
+++ b/zerver/lib/actions.py
@@ -1,12 +1 @@
-from typing import List
 
-from zerver.lib.topic import filter_by_topic_name_via_message
-from zerver.models import Message, Stream, UserMessage, UserProfile
-
-
-def get_topic_messages(user_profile: UserProfile, stream: Stream, topic_name: str) -> List[Message]:
-    query = UserMessage.objects.filter(
-        user_profile=user_profile,
-        message__recipient=stream.recipient,
-    ).order_by("id")
-    return [um.message for um in filter_by_topic_name_via_message(query, topic_name)]
diff --git a/zerver/lib/test_classes.py b/zerver/lib/test_classes.py
index c67cf854dc..3ed055afd2 100644
--- a/zerver/lib/test_classes.py
+++ b/zerver/lib/test_classes.py
@@ -69,6 +69,7 @@ from zerver.lib.test_console_output import (
     tee_stdout_and_find_extra_console_output,
 )
 from zerver.lib.test_helpers import find_key_by_email, instrument_url
+from zerver.lib.topic import filter_by_topic_name_via_message
 from zerver.lib.user_groups import get_system_user_group_for_user
 from zerver.lib.users import get_api_key
 from zerver.lib.validator import check_string
@@ -1816,3 +1817,11 @@ class MigrationsTestCase(ZulipTestCase):  # nocoverage
 
     def setUpBeforeMigration(self, apps: StateApps) -> None:
         pass  # nocoverage
+
+
+def get_topic_messages(user_profile: UserProfile, stream: Stream, topic_name: str) -> List[Message]:
+    query = UserMessage.objects.filter(
+        user_profile=user_profile,
+        message__recipient=stream.recipient,
+    ).order_by("id")
+    return [um.message for um in filter_by_topic_name_via_message(query, topic_name)]
diff --git a/zerver/tests/test_message_edit.py b/zerver/tests/test_message_edit.py
index 7d2f27eb2a..fdf3102510 100644
--- a/zerver/tests/test_message_edit.py
+++ b/zerver/tests/test_message_edit.py
@@ -18,9 +18,8 @@ from zerver.actions.reactions import do_add_reaction
 from zerver.actions.realm_settings import do_change_realm_plan_type, do_set_realm_property
 from zerver.actions.streams import do_change_stream_post_policy, do_deactivate_stream
 from zerver.actions.users import do_change_user_role
-from zerver.lib.actions import get_topic_messages
 from zerver.lib.message import MessageDict, has_message_access, messages_for_ids
-from zerver.lib.test_classes import ZulipTestCase
+from zerver.lib.test_classes import ZulipTestCase, get_topic_messages
 from zerver.lib.test_helpers import cache_tries_captured, queries_captured
 from zerver.lib.topic import RESOLVED_TOPIC_PREFIX, TOPIC_NAME
 from zerver.lib.user_topics import (
diff --git a/zerver/tests/test_subs.py b/zerver/tests/test_subs.py
index 8a731de8bf..07f987f359 100644
--- a/zerver/tests/test_subs.py
+++ b/zerver/tests/test_subs.py
@@ -33,7 +33,6 @@ from zerver.actions.streams import (
     do_deactivate_stream,
 )
 from zerver.actions.users import do_change_user_role, do_deactivate_user
-from zerver.lib.actions import get_topic_messages
 from zerver.lib.exceptions import JsonableError
 from zerver.lib.message import UnreadStreamInfo, aggregate_unread_data, get_raw_unread_data
 from zerver.lib.response import json_success
@@ -66,7 +65,7 @@ from zerver.lib.subscription_info import (
     gather_subscriptions_helper,
     validate_user_access_to_subscribers_helper,
 )
-from zerver.lib.test_classes import ZulipTestCase
+from zerver.lib.test_classes import ZulipTestCase, get_topic_messages
 from zerver.lib.test_helpers import (
     HostRequestMock,
     cache_tries_captured,