diff --git a/modules/overlay/overlay.cpp b/modules/overlay/overlay.cpp
index a91df58..8bb73db 100644
--- a/modules/overlay/overlay.cpp
+++ b/modules/overlay/overlay.cpp
@@ -132,10 +132,7 @@
         case OVERLAY_FORMAT_RGBA_8888:
         case OVERLAY_FORMAT_RGB_565:
         case OVERLAY_FORMAT_BGRA_8888:
-        case OVERLAY_FORMAT_YCbCr_422_SP:
-        case OVERLAY_FORMAT_YCbCr_420_SP:
-        case OVERLAY_FORMAT_YCbCr_422_I:
-        case OVERLAY_FORMAT_YCbCr_420_I:
+        // add supported format here (especially YUV formats)
             break;
         default:
             return NULL;