diff --git a/miniaudio.h b/miniaudio.h
index 3e3acde8..1cab8c6c 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -1456,8 +1456,12 @@ extern "C" {
     #endif
 #else
     #define MA_POSIX
+
+    /* We only use multi-threading with the device IO API, so no need to include these headers otherwise. */
+#if !defined(MA_NO_DEVICE_IO)
     #include <pthread.h>    /* Unfortunate #include, but needed for pthread_t, pthread_mutex_t and pthread_cond_t types. */
     #include <semaphore.h>
+#endif
 
     #ifdef __unix__
         #define MA_UNIX
diff --git a/tests/test_generation/ma_test_generation.c b/tests/test_generation/ma_test_generation.c
index 78babc99..7d16a225 100644
--- a/tests/test_generation/ma_test_generation.c
+++ b/tests/test_generation/ma_test_generation.c
@@ -1,3 +1,4 @@
+#define MA_NO_DEVICE_IO
 #include "../test_common/ma_test_common.c"
 
 #include "ma_test_generation_noise.c"