diff --git a/modules/stitching/include/opencv2/stitching/detail/warpers.hpp b/modules/stitching/include/opencv2/stitching/detail/warpers.hpp
index d0d7869d45..68377904b1 100644
--- a/modules/stitching/include/opencv2/stitching/detail/warpers.hpp
+++ b/modules/stitching/include/opencv2/stitching/detail/warpers.hpp
@@ -77,15 +77,7 @@ public:
     @param R Camera rotation matrix
     @return Backward-projected point
     */
-#if CV_VERSION_MAJOR == 4
-    virtual Point2f warpPointBackward(const Point2f& pt, InputArray K, InputArray R)
-    {
-        CV_UNUSED(pt); CV_UNUSED(K); CV_UNUSED(R);
-        CV_Error(Error::StsNotImplemented, "");
-    }
-#else
     virtual Point2f warpPointBackward(const Point2f& pt, InputArray K, InputArray R) = 0;
-#endif
 
     /** @brief Builds the projection maps according to the given camera data.
 
diff --git a/modules/stitching/include/opencv2/stitching/warpers.hpp b/modules/stitching/include/opencv2/stitching/warpers.hpp
index 0a5bf63de2..5928014652 100644
--- a/modules/stitching/include/opencv2/stitching/warpers.hpp
+++ b/modules/stitching/include/opencv2/stitching/warpers.hpp
@@ -72,15 +72,8 @@ namespace cv {
         @param R Camera rotation matrix
         @return Backward-projected point
         */
-#if CV_VERSION_MAJOR == 4
-        CV_WRAP Point2f warpPointBackward(const Point2f& pt, InputArray K, InputArray R)
-        {
-            CV_UNUSED(pt); CV_UNUSED(K); CV_UNUSED(R);
-            CV_Error(Error::StsNotImplemented, "");
-        }
-#else
         CV_WRAP Point2f warpPointBackward(const Point2f &pt, InputArray K, InputArray R);
-#endif
+
         /** @brief Builds the projection maps according to the given camera data.
 
         @param src_size Source image size
diff --git a/modules/stitching/src/warpers.cpp b/modules/stitching/src/warpers.cpp
index 85ac939074..c492ec3975 100644
--- a/modules/stitching/src/warpers.cpp
+++ b/modules/stitching/src/warpers.cpp
@@ -93,12 +93,10 @@ Point2f PyRotationWarper::warpPoint(const Point2f &pt, InputArray K, InputArray
     return rw.get()->warpPoint(pt, K, R);
 }
 
-#if CV_VERSION_MAJOR != 4
 Point2f PyRotationWarper::warpPointBackward(const Point2f& pt, InputArray K, InputArray R)
 {
     return rw.get()->warpPointBackward(pt, K, R);
 }
-#endif
 
 Rect PyRotationWarper::buildMaps(Size src_size, InputArray K, InputArray R, OutputArray xmap, OutputArray ymap)
 {