diff --git a/modules/imgproc/include/opencv2/imgproc.hpp b/modules/imgproc/include/opencv2/imgproc.hpp
index 75f009aa5f..85bb158f37 100644
--- a/modules/imgproc/include/opencv2/imgproc.hpp
+++ b/modules/imgproc/include/opencv2/imgproc.hpp
@@ -4400,7 +4400,7 @@ CV_EXPORTS_W void rectangle(InputOutputArray img, Point pt1, Point pt2,
 use `rec` parameter as alternative specification of the drawn rectangle: `r.tl() and
 r.br()-Point(1,1)` are opposite corners
 */
-CV_EXPORTS void rectangle(CV_IN_OUT Mat& img, Rect rec,
+CV_EXPORTS_W void rectangle(InputOutputArray img, Rect rec,
                           const Scalar& color, int thickness = 1,
                           int lineType = LINE_8, int shift = 0);
 
@@ -4494,7 +4494,7 @@ marker types are supported, see #MarkerTypes for more information.
 @param line_type Type of the line, See #LineTypes
 @param markerSize The length of the marker axis [default = 20 pixels]
  */
-CV_EXPORTS_W void drawMarker(CV_IN_OUT Mat& img, Point position, const Scalar& color,
+CV_EXPORTS_W void drawMarker(InputOutputArray img, Point position, const Scalar& color,
                              int markerType = MARKER_CROSS, int markerSize=20, int thickness=1,
                              int line_type=8);
 
diff --git a/modules/imgproc/src/drawing.cpp b/modules/imgproc/src/drawing.cpp
index 05a9150d77..81dd0e44f4 100644
--- a/modules/imgproc/src/drawing.cpp
+++ b/modules/imgproc/src/drawing.cpp
@@ -1737,7 +1737,7 @@ PolyLine( Mat& img, const Point2l* v, int count, bool is_closed,
 /* ADDING A SET OF PREDEFINED MARKERS WHICH COULD BE USED TO HIGHLIGHT POSITIONS IN AN IMAGE */
 /* ----------------------------------------------------------------------------------------- */
 
-void drawMarker(Mat& img, Point position, const Scalar& color, int markerType, int markerSize, int thickness, int line_type)
+void drawMarker(InputOutputArray img, Point position, const Scalar& color, int markerType, int markerSize, int thickness, int line_type)
 {
     switch(markerType)
     {
@@ -1873,13 +1873,12 @@ void rectangle( InputOutputArray _img, Point pt1, Point pt2,
 }
 
 
-void rectangle( Mat& img, Rect rec,
+void rectangle( InputOutputArray img, Rect rec,
                 const Scalar& color, int thickness,
                 int lineType, int shift )
 {
     CV_INSTRUMENT_REGION()
 
-    CV_Assert( 0 <= shift && shift <= XY_SHIFT );
     if( rec.area() > 0 )
         rectangle( img, rec.tl(), rec.br() - Point(1<<shift,1<<shift),
                    color, thickness, lineType, shift );