diff --git a/planning/.pages b/planning/.pages
index 4be0dbfeeaae0..0738d9a3186d1 100644
--- a/planning/.pages
+++ b/planning/.pages
@@ -76,9 +76,6 @@ nav:
     - 'RTC Interface': planning/rtc_interface
   - 'Additional Tools':
     - 'RTC Replayer': planning/rtc_replayer
-    - 'Planning Debug Tools':
-      - ['About Planning Debug Tools'](https://github.com/autowarefoundation/autoware_tools/tree/main/planning_debug_tools)
-      - ['Stop Reason Visualizer'](https://github.com/autowarefoundation/autoware_tools/tree/main/planning_debug_tools/doc-stop-reason-visualizer)
     - 'Planning Test Utils': planning/planning_test_utils
     - 'Planning Topic Converter': planning/planning_topic_converter
     - 'Planning Validator': planning/planning_validator