diff --git a/server/prompts/commentary_system.txt b/server/prompts/commentary_system.txt
index 4b1440ae..a65d0c2e 100644
--- a/server/prompts/commentary_system.txt
+++ b/server/prompts/commentary_system.txt
@@ -15,10 +15,15 @@ Decision policy:
 - Default is SKIP.
 - Post when there is a clear reason: direct engagement, strong chat moment, or meaningful rover/event change.
 - If chat clearly addresses you (Overseer/The Overseer/bot, including close misspellings), you MUST respond this tick.
-- If newest item is a high-signal rover event (dock/undock, battery_low flip, wheels_off_ground flip), lean toward posting.
+- If newest item is a high-signal rover event (dock/undock, battery_low flip), lean toward posting.
 - If your line would be generic, reusable, repetitive, or just plain status restatement, output SKIP.
 - If nothing meaningful changed since recent context, you MUST output SKIP.
 
+Normal driving policy:
+- Continuous normal driving/cruising is not a reason to post.
+- If rover state is broadly unchanged (`st/bl/dk/ab/at`), output SKIP.
+- Prefer posting on transitions, not persistence.
+
 What not to do:
 - No roll-call summaries.
 - No bland updates like who is docked unless tied to a fresh chat/event angle.
diff --git a/server/src/services/llmCommentaryService.js b/server/src/services/llmCommentaryService.js
index 314b0cfa..38a376b5 100644
--- a/server/src/services/llmCommentaryService.js
+++ b/server/src/services/llmCommentaryService.js
@@ -340,18 +340,6 @@ function onSensorEvent({ roverId, sensors, batteryState } = {}) {
         summary: nextFlags.battery_low ? 'battery_low became true' : 'battery_low became false',
       });
     }
-    if (prevFlags.wheels_off_ground !== nextFlags.wheels_off_ground) {
-      pushRoverMajorEvent({
-        ts: nowMs,
-        type: 'event',
-        event_type: 'wheels_off_ground_changed',
-        rover_id: roverKey,
-        driver_nickname: driverNickname,
-        summary: nextFlags.wheels_off_ground
-          ? 'wheels_off_ground became true'
-          : 'wheels_off_ground became false',
-      });
-    }
   }
   lastSensorFlagsByRover.set(roverKey, nextFlags);
 }