diff --git a/tests/integration/fixtures/external_components/legacy_fan_component/__init__.py b/tests/integration/fixtures/external_components/legacy_fan_component/__init__.py
index ceee4775220..714be181fef 100644
--- a/tests/integration/fixtures/external_components/legacy_fan_component/__init__.py
+++ b/tests/integration/fixtures/external_components/legacy_fan_component/__init__.py
@@ -1 +1,4 @@
-"""Legacy fan component — tests deprecated FanTraits setters backward compat."""
+"""Legacy fan component — tests deprecated FanTraits setters backward compat.
+
+Remove this entire directory in 2026.11.0 when the deprecated setters are removed.
+"""
diff --git a/tests/integration/test_legacy_fan_compat.py b/tests/integration/test_legacy_fan_compat.py
index a4b025b6285..5ee41772f3d 100644
--- a/tests/integration/test_legacy_fan_compat.py
+++ b/tests/integration/test_legacy_fan_compat.py
@@ -1,7 +1,10 @@
 """Integration test for backward compatibility of deprecated FanTraits setters.
 
 Verifies that external components using the old traits.set_supported_preset_modes()
-API still work correctly during the deprecation period (removed in 2026.11.0).
+API still work correctly during the deprecation period.
+
+Remove this entire test file and the legacy_fan_component external component
+in 2026.11.0 when the deprecated FanTraits setters are removed.
 """
 
 from __future__ import annotations