diff --git a/modules/highgui/src/window_QT.cpp b/modules/highgui/src/window_QT.cpp
index 5faf530d33..9425c7be14 100644
--- a/modules/highgui/src/window_QT.cpp
+++ b/modules/highgui/src/window_QT.cpp
@@ -44,7 +44,7 @@
 
 #include <memory>
 
-#include <window_QT.h>
+#include "window_QT.h"
 
 #include <math.h>
 
diff --git a/modules/ts/include/opencv2/ts.hpp b/modules/ts/include/opencv2/ts.hpp
index 5f0556b426..7b3f732ce0 100644
--- a/modules/ts/include/opencv2/ts.hpp
+++ b/modules/ts/include/opencv2/ts.hpp
@@ -63,6 +63,9 @@
 # endif
 #endif
 
+#if defined(__OPENCV_BUILD) && defined(__clang__)
+#pragma clang diagnostic ignored "-Winconsistent-missing-override"
+#endif
 #if defined(__OPENCV_BUILD) && defined(__GNUC__) && __GNUC__ >= 5
 //#pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wsuggest-override"