diff --git a/include/hardware/camera_common.h b/include/hardware/camera_common.h
index 7658dd4..42e4e20 100644
--- a/include/hardware/camera_common.h
+++ b/include/hardware/camera_common.h
@@ -140,9 +140,9 @@
  * All device versions <= HARDWARE_DEVICE_API_VERSION(1, 0xFF) must be treated
  * as CAMERA_DEVICE_API_VERSION_1_0
  */
-#define CAMERA_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
-#define CAMERA_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0)
-#define CAMERA_DEVICE_API_VERSION_2_1 HARDWARE_DEVICE_API_VERSION(2, 1)
+#define CAMERA_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0) // DEPRECATED
+#define CAMERA_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0) // NO LONGER SUPPORTED
+#define CAMERA_DEVICE_API_VERSION_2_1 HARDWARE_DEVICE_API_VERSION(2, 1) // NO LONGER SUPPORTED
 #define CAMERA_DEVICE_API_VERSION_3_0 HARDWARE_DEVICE_API_VERSION(3, 0)
 #define CAMERA_DEVICE_API_VERSION_3_1 HARDWARE_DEVICE_API_VERSION(3, 1)
 #define CAMERA_DEVICE_API_VERSION_3_2 HARDWARE_DEVICE_API_VERSION(3, 2)