diff --git a/miniaudio.h b/miniaudio.h
index 8addfdec..333df557 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -3858,7 +3858,7 @@ typedef ma_uint16 wchar_t;
 
 
 /* Platform/backend detection. */
-#if defined(_WIN32) || defined(__COSMOPOLITAN__)
+#if defined(_WIN32)
     #define MA_WIN32
     #if defined(MA_FORCE_UWP) || (defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_PC_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PC_APP) || (defined(WINAPI_FAMILY_PHONE_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)))
         #define MA_WIN32_UWP
@@ -6604,16 +6604,12 @@ This section contains the APIs for device playback and capture. Here is where yo
     #if defined(MA_WIN32_DESKTOP)   /* DirectSound and WinMM backends are only supported on desktops. */
         #define MA_SUPPORT_DSOUND
         #define MA_SUPPORT_WINMM
-
-        /* Don't enable JACK here if compiling with Cosmopolitan. It'll be enabled in the Linux section below. */
-        #if !defined(__COSMOPOLITAN__)
-            #define MA_SUPPORT_JACK    /* JACK is technically supported on Windows, but I don't know how many people use it in practice... */
-        #endif
+        #define MA_SUPPORT_JACK     /* JACK is technically supported on Windows, but I don't know how many people use it in practice... */
     #endif
 #endif
 #if defined(MA_UNIX) && !defined(MA_ORBIS) && !defined(MA_PROSPERO)
     #if defined(MA_LINUX)
-        #if !defined(MA_ANDROID) && !defined(__COSMOPOLITAN__) && !defined(MA_EMSCRIPTEN)   /* ALSA is not supported on Android. */
+        #if !defined(MA_ANDROID) && !defined(MA_EMSCRIPTEN)   /* ALSA is not supported on Android. */
             #define MA_SUPPORT_ALSA
         #endif
     #endif
@@ -11643,7 +11639,7 @@ IMPLEMENTATION
 #endif
 
 /* Intrinsics Support */
-#if (defined(MA_X64) || defined(MA_X86)) && !defined(__COSMOPOLITAN__)
+#if defined(MA_X64) || defined(MA_X86)
     #if defined(_MSC_VER) && !defined(__clang__)
         /* MSVC. */
         #if _MSC_VER >= 1400 && !defined(MA_NO_SSE2)   /* 2005 */
@@ -12080,7 +12076,7 @@ static MA_INLINE unsigned int ma_disable_denormals(void)
     }
     #elif defined(MA_X86) || defined(MA_X64)
     {
-        #if defined(MA_SUPPORT_SSE2) && defined(__SSE2__) && !(defined(__TINYC__) || defined(__WATCOMC__) || defined(__COSMOPOLITAN__)) /* <-- Add compilers that lack support for _mm_getcsr() and _mm_setcsr() to this list. */
+        #if defined(MA_SUPPORT_SSE2) && defined(__SSE2__) && !(defined(__TINYC__) || defined(__WATCOMC__)) /* <-- Add compilers that lack support for _mm_getcsr() and _mm_setcsr() to this list. */
         {
             prevState = _mm_getcsr();
             _mm_setcsr(prevState | MA_MM_DENORMALS_ZERO_MASK | MA_MM_FLUSH_ZERO_MASK);
@@ -12120,7 +12116,7 @@ static MA_INLINE void ma_restore_denormals(unsigned int prevState)
     }
     #elif defined(MA_X86) || defined(MA_X64)
     {
-        #if defined(MA_SUPPORT_SSE2) && defined(__SSE2__) && !(defined(__TINYC__) || defined(__WATCOMC__) || defined(__COSMOPOLITAN__))   /* <-- Add compilers that lack support for _mm_getcsr() and _mm_setcsr() to this list. */
+        #if defined(MA_SUPPORT_SSE2) && defined(__SSE2__) && !(defined(__TINYC__) || defined(__WATCOMC__))   /* <-- Add compilers that lack support for _mm_getcsr() and _mm_setcsr() to this list. */
         {
             _mm_setcsr(prevState);
         }