diff --git a/hwc2_device/HwcDisplay.h b/hwc2_device/HwcDisplay.h
index 98d8e9b..8ff9a92 100644
--- a/hwc2_device/HwcDisplay.h
+++ b/hwc2_device/HwcDisplay.h
@@ -180,6 +180,8 @@
     return !pipeline_;
   }
 
+  void Deinit();
+
  private:
   enum ClientFlattenningState : int32_t {
     Disabled = -3,