diff --git a/cmake/mingw-w64/toolchain-mingw.cmake b/cmake/mingw-w64/toolchain-mingw.cmake
index c079aa1c..644f8a07 100644
--- a/cmake/mingw-w64/toolchain-mingw.cmake
+++ b/cmake/mingw-w64/toolchain-mingw.cmake
@@ -35,7 +35,5 @@ set (CMAKE_RANLIB:FILEPATH @TRIPLE@-ranlib)
 set(QT_HOST_PATH "/usr" CACHE PATH "host path for Qt")
 
 # workaround limitations in CMake's find modules
-set(Vulkan_LIBRARY "/usr/@TRIPLE@/lib/libvulkan.dll.a" CACHE FILEPATH "Vulkan IDC library")
-set(Vulkan_INCLUDE_DIR "/usr/@TRIPLE@/include" CACHE PATH "Vulkan headers directory")
 set(MySQL_LIBRARIES "/usr/@TRIPLE@/lib/libmariadb.dll.a" CACHE INTERNAL "MariaDB client library")
 set(MySQL_INCLUDE_DIRS "/usr/@TRIPLE@/include/mariadb" CACHE INTERNAL "MariaDB client library")