3 files changed, 4 insertions, 17 deletions
diff --git a/source/compiler-core/slang-dxc-compiler.cpp b/source/compiler-core/slang-dxc-compiler.cpp
index a275143f8..832c5809c 100644
--- a/source/compiler-core/slang-dxc-compiler.cpp
+++ b/source/compiler-core/slang-dxc-compiler.cpp
@@ -34,13 +34,9 @@
 #if SLANG_ENABLE_DXIL_SUPPORT
 
 #   ifdef _WIN32
-#       define WIN32_LEAN_AND_MEAN
-#       define NOMINMAX
-#       include <Windows.h>
-#       include <Unknwn.h>
+#       include <windows.h>
+#       include <unknwn.h>
 #       include "../../external/dxc/dxcapi.h"
-#       undef WIN32_LEAN_AND_MEAN
-#       undef NOMINMAX
 #   else
 #       include "../../external/dxc/dxcapi.h"
 
diff --git a/source/compiler-core/slang-fxc-compiler.cpp b/source/compiler-core/slang-fxc-compiler.cpp
index de6f5d2bc..9d547e673 100644
--- a/source/compiler-core/slang-fxc-compiler.cpp
+++ b/source/compiler-core/slang-fxc-compiler.cpp
@@ -26,11 +26,7 @@
 // Enable calling through to `fxc` or `dxc` to
 // generate code on Windows.
 #ifdef _WIN32
-#   define WIN32_LEAN_AND_MEAN
-#   define NOMINMAX
-#   include <Windows.h>
-#   undef WIN32_LEAN_AND_MEAN
-#   undef NOMINMAX
+#   include <windows.h>
 #   include <d3dcompiler.h>
 
 #   ifndef SLANG_ENABLE_DXBC_SUPPORT
diff --git a/source/compiler-core/windows/slang-win-visual-studio-util.cpp b/source/compiler-core/windows/slang-win-visual-studio-util.cpp
index d4c72e100..cb784b426 100644
--- a/source/compiler-core/windows/slang-win-visual-studio-util.cpp
+++ b/source/compiler-core/windows/slang-win-visual-studio-util.cpp
@@ -10,12 +10,7 @@
 #include "../slang-visual-studio-compiler-util.h"
 
 #ifdef _WIN32
-#   define WIN32_LEAN_AND_MEAN
-#   define NOMINMAX
-#   include <Windows.h>
-#   undef WIN32_LEAN_AND_MEAN
-#   undef NOMINMAX
-
+#   include <windows.h>
 #   include <Shlobj.h>
 #pragma comment(lib, "advapi32")
 #pragma comment(lib, "Shell32")