diff --git a/modules/imgproc/src/canny.cpp b/modules/imgproc/src/canny.cpp
index 28141e8cbb..ee2dc339d9 100644
--- a/modules/imgproc/src/canny.cpp
+++ b/modules/imgproc/src/canny.cpp
@@ -866,7 +866,7 @@ void Canny( InputArray _src, OutputArray _dst,
     Mat src = _src.getMat(), dst = _dst.getMat();
 
     CV_OVX_RUN(
-        //false && /* disabling due to accuracy issues */
+        false && /* disabling due to accuracy issues */
             src.type() == CV_8UC1 &&
             !src.isSubmatrix() &&
             src.cols >= aperture_size &&