diff --git a/Tests/FindVulkan/Test/main-dxc_lib.cxx b/Tests/FindVulkan/Test/main-dxc_lib.cxx
index 6ccb0dea00..37cd163af0 100644
--- a/Tests/FindVulkan/Test/main-dxc_lib.cxx
+++ b/Tests/FindVulkan/Test/main-dxc_lib.cxx
@@ -1,7 +1,12 @@
+#include <cassert>
+#include <cstdint>
 #include <cstdio>
 
+#ifdef _WIN32
+#  include <Windows.h>
+#endif
+
 #include "dxc/dxcapi.h"
-#include "printf.h"
 
 int main()
 {
diff --git a/Tests/FindVulkan/Test/main-dynamicVulkanLoading.cpp b/Tests/FindVulkan/Test/main-dynamicVulkanLoading.cpp
index e3bf0da40e..6e25a34641 100644
--- a/Tests/FindVulkan/Test/main-dynamicVulkanLoading.cpp
+++ b/Tests/FindVulkan/Test/main-dynamicVulkanLoading.cpp
@@ -15,7 +15,7 @@ int main()
   try {
 
     // initialize dynamic dispatcher
-    vk::DynamicLoader dl;
+    vk::detail::DynamicLoader dl;
     PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr =
       dl.getProcAddress<PFN_vkGetInstanceProcAddr>("vkGetInstanceProcAddr");
     VULKAN_HPP_DEFAULT_DISPATCHER.init(vkGetInstanceProcAddr);