diff --git a/source/compare_win.cc b/source/compare_win.cc
index 2ca98cd72..e6cb20528 100644
--- a/source/compare_win.cc
+++ b/source/compare_win.cc
@@ -16,13 +16,12 @@ namespace libyuv {
 extern "C" {
 #endif
 
-#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
-
 // ClangCL use posix source instead.
-#if defined(__clang__)
+#if defined(__clang__) && defined(_MSC_VER)
 #include "source/compare_posix.cc"
-#else
 
+// This module is for Visual C.
+#elif !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
 __declspec(naked)
 uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count) {
   __asm {
@@ -224,9 +223,7 @@ uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed) {
   }
 }
 #endif  // _MSC_VER >= 1700
-
-#endif  // defined(__clang__)
-#endif  // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) ...
+#endif  // defined(__clang__) && defined(_MSC_VER)
 
 #ifdef __cplusplus
 }  // extern "C"
diff --git a/source/row_win.cc b/source/row_win.cc
index 6713692a1..246e7d9e1 100644
--- a/source/row_win.cc
+++ b/source/row_win.cc
@@ -21,14 +21,13 @@ namespace libyuv {
 extern "C" {
 #endif
 
-// This module is for Visual C.
-#if !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) || defined(_M_X64)) && \
-    defined(_MSC_VER)
-
 // ClangCL use posix source instead.
-#if defined(__clang__)
+#if defined(__clang__) && defined(_MSC_VER)
 #include "source/row_posix.cc"
-#else
+
+// This module is for Visual C.
+#elif !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) || defined(_M_X64)) && \
+    defined(_MSC_VER)
 
 struct YuvConstants {
   lvec8 kUVToB;     // 0
@@ -6420,8 +6419,7 @@ void ARGBLumaColorTableRow_SSSE3(const uint8* src_argb, uint8* dst_argb,
 #endif  // HAS_ARGBLUMACOLORTABLEROW_SSSE3
 
 #endif  // defined(_M_X64)
-#endif  // defined(__clang__)
-#endif  // !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) ...
+#endif  // defined(__clang__) && defined(_MSC_VER)
 
 #ifdef __cplusplus
 }  // extern "C"
diff --git a/source/scale_win.cc b/source/scale_win.cc
index 4a7be0b8a..4246f717f 100644
--- a/source/scale_win.cc
+++ b/source/scale_win.cc
@@ -16,13 +16,12 @@ namespace libyuv {
 extern "C" {
 #endif
 
-// This module is for Visual C x86.
-#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
-
 // ClangCL use posix source instead.
-#if defined(__clang__)
+#if defined(__clang__) && defined(_MSC_VER)
 #include "source/scale_posix.cc"
-#else
+
+// This module is for Visual C x86.
+#elif !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
 
 // Offsets for source bytes 0 to 9
 static uvec8 kShuf0 =
@@ -1394,8 +1393,7 @@ int FixedDiv1_X86(int num, int div) {
   }
 }
 
-#endif  // defined(__clang__)
-#endif  // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && ...
+#endif  // defined(__clang__) && defined(_MSC_VER)
 
 #ifdef __cplusplus
 }  // extern "C"