diff --git a/src/gallium/drivers/d3d12/d3d12_common.h b/src/gallium/drivers/d3d12/d3d12_common.h
index 9defde858e3..4fa900d1585 100644
--- a/src/gallium/drivers/d3d12/d3d12_common.h
+++ b/src/gallium/drivers/d3d12/d3d12_common.h
@@ -26,11 +26,7 @@
 
 #pragma once
 
-#ifndef _WIN32
 #include <wsl/winadapter.h>
-#else
-#include <unknwn.h>
-#endif
 
 #define D3D12_IGNORE_SDK_LAYERS
 #ifndef _GAMING_XBOX
diff --git a/src/microsoft/vulkan/dzn_physical_device_enum.h b/src/microsoft/vulkan/dzn_physical_device_enum.h
index 3dc31f825e1..7ecc5d34630 100644
--- a/src/microsoft/vulkan/dzn_physical_device_enum.h
+++ b/src/microsoft/vulkan/dzn_physical_device_enum.h
@@ -26,11 +26,7 @@
 
 #include <vulkan/vulkan.h>
 
-#include <unknwn.h>
-
-#ifndef _WIN32
 #include <wsl/winadapter.h>
-#endif
 
 #include <stdbool.h>