diff --git a/modules/imgproc/src/demosaicing.cpp b/modules/imgproc/src/demosaicing.cpp
index 4cb338c095..84ac903fe0 100644
--- a/modules/imgproc/src/demosaicing.cpp
+++ b/modules/imgproc/src/demosaicing.cpp
@@ -275,6 +275,8 @@ public:
 
         return static_cast<int>(bayer - (bayer_end - width));
 #else
+        CV_UNUSED(bayer); CV_UNUSED(bayer_step); CV_UNUSED(dst);
+        CV_UNUSED(width); CV_UNUSED(bcoeff); CV_UNUSED(gcoeff); CV_UNUSED(rcoeff);
         return 0;
 #endif
     }