diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index 60d6ee56a1..56df84fae6 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -193,7 +193,6 @@ private:
 
   void updateBrightness(const UIState &s);
   void updateWakefulness(const UIState &s);
-  bool motionTriggered(const UIState &s);
   void setAwake(bool on);
 
 signals: