diff --git a/modules/highgui/src/window_w32.cpp b/modules/highgui/src/window_w32.cpp
index 47a549e66a..7110417e7a 100644
--- a/modules/highgui/src/window_w32.cpp
+++ b/modules/highgui/src/window_w32.cpp
@@ -2337,12 +2337,6 @@ std::shared_ptr<CvTrackbar> icvFindTrackbarByName(CvWindow& window, const std::s
     }
     return std::shared_ptr<CvTrackbar>();
 }
-static inline
-std::shared_ptr<CvTrackbar> icvFindTrackbarByName(const std::shared_ptr<CvWindow>& window, const std::string& name)
-{
-    CV_Assert(window);
-    return icvFindTrackbarByName(window, name);
-}
 
 static
 std::shared_ptr<CvTrackbar> createTrackbar_(CvWindow& window, const std::string& trackbar_name,
@@ -2586,7 +2580,7 @@ CV_IMPL int cvGetTrackbarPos(const char* trackbar_name, const char* window_name)
     if (!window)
         CV_Error_(Error::StsNullPtr, ("NULL window: '%s'", window_name));
 
-    auto trackbar = icvFindTrackbarByName(window, trackbar_name);
+    auto trackbar = icvFindTrackbarByName(*window, trackbar_name);
     if (!trackbar)
         CV_Error_(Error::StsNullPtr, ("NULL trackbar: '%s'", trackbar_name));
 
@@ -2607,7 +2601,7 @@ CV_IMPL void cvSetTrackbarPos(const char* trackbar_name, const char* window_name
     if (!window)
         CV_Error_(Error::StsNullPtr, ("NULL window: '%s'", window_name));
 
-    auto trackbar = icvFindTrackbarByName(window, trackbar_name);
+    auto trackbar = icvFindTrackbarByName(*window, trackbar_name);
     if (!trackbar)
         CV_Error_(Error::StsNullPtr, ("NULL trackbar: '%s'", trackbar_name));
 
@@ -2639,7 +2633,7 @@ CV_IMPL void cvSetTrackbarMax(const char* trackbar_name, const char* window_name
     if (!window)
         CV_Error_(Error::StsNullPtr, ("NULL window: '%s'", window_name));
 
-    auto trackbar = icvFindTrackbarByName(window, trackbar_name);
+    auto trackbar = icvFindTrackbarByName(*window, trackbar_name);
     if (!trackbar)
         CV_Error_(Error::StsNullPtr, ("NULL trackbar: '%s'", trackbar_name));
 
@@ -2668,7 +2662,7 @@ CV_IMPL void cvSetTrackbarMin(const char* trackbar_name, const char* window_name
     if (!window)
         CV_Error_(Error::StsNullPtr, ("NULL window: '%s'", window_name));
 
-    auto trackbar = icvFindTrackbarByName(window, trackbar_name);
+    auto trackbar = icvFindTrackbarByName(*window, trackbar_name);
     if (!trackbar)
         CV_Error_(Error::StsNullPtr, ("NULL trackbar: '%s'", trackbar_name));