diff --git a/bufferinfo/legacy/BufferInfoMinigbm.h b/bufferinfo/legacy/BufferInfoMinigbm.h
index bff9d74..04cc2ae 100644
--- a/bufferinfo/legacy/BufferInfoMinigbm.h
+++ b/bufferinfo/legacy/BufferInfoMinigbm.h
@@ -27,6 +27,7 @@
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
   int ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) override;
+  int ValidateGralloc() override;
 };
 
 }  // namespace android