diff --git a/src/microsoft/vulkan/dzn_device.c b/src/microsoft/vulkan/dzn_device.c
index 480ae263f82..81e4a3639c2 100644
--- a/src/microsoft/vulkan/dzn_device.c
+++ b/src/microsoft/vulkan/dzn_device.c
@@ -44,9 +44,7 @@
 
 #include <windows.h>
 
-#define CINTERFACE
 #include <directx/d3d12sdklayers.h>
-#undef CINTERFACE
 
 #if defined(VK_USE_PLATFORM_WIN32_KHR) || \
     defined(VK_USE_PLATFORM_DISPLAY_KHR)
diff --git a/src/microsoft/vulkan/dzn_nir.h b/src/microsoft/vulkan/dzn_nir.h
index a8ac15463d5..5eaec3ecc7c 100644
--- a/src/microsoft/vulkan/dzn_nir.h
+++ b/src/microsoft/vulkan/dzn_nir.h
@@ -25,10 +25,8 @@
 #define DZN_NIR_H
 
 #define D3D12_IGNORE_SDK_LAYERS
-#define CINTERFACE
 #define COBJMACROS
 #include <directx/d3d12.h>
-#undef CINTERFACE
 
 #include "nir.h"
 
diff --git a/src/microsoft/vulkan/dzn_private.h b/src/microsoft/vulkan/dzn_private.h
index d310b0ca871..c64143699f4 100644
--- a/src/microsoft/vulkan/dzn_private.h
+++ b/src/microsoft/vulkan/dzn_private.h
@@ -52,11 +52,9 @@
 #include <vulkan/vk_icd.h>
 
 #define D3D12_IGNORE_SDK_LAYERS
-#define CINTERFACE
 #define COBJMACROS
 #include <dxgi1_4.h>
 #include <directx/d3d12.h>
-#undef CINTERFACE
 
 #include "spirv_to_dxil.h"