1 diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
2 --- a/Source/cmake/OptionsQt.cmake
3 +++ b/Source/cmake/OptionsQt.cmake
4 @@ -683,7 +683,6 @@ if (WIN32 AND COMPILER_IS_GCC_OR_CLANG)
8 - SET_AND_EXPOSE_TO_BUILD(HAVE_QOS_CLASSES 1)