diff --git a/src/c11/threads.h b/src/c11/threads.h
index 59baea11281..dbcb3459a9b 100644
--- a/src/c11/threads.h
+++ b/src/c11/threads.h
@@ -49,16 +49,6 @@
 
 #if defined(HAVE_THRD_CREATE)
 #include <threads.h>
-
-#if defined(ANDROID)
-/* Currently, only Android are verified that it's thrd_t are typedef of pthread_t
- * So we can define _MTX_INITIALIZER_NP to PTHREAD_MUTEX_INITIALIZER
- * FIXME: temporary non-standard hack to ease transition
- */
-#  define _MTX_INITIALIZER_NP PTHREAD_MUTEX_INITIALIZER
-#else
-#error Can not define _MTX_INITIALIZER_NP properly for this platform
-#endif
 #else
 
 /*---------------------------- macros ---------------------------*/
@@ -129,8 +119,6 @@ typedef pthread_t       thrd_t;
 typedef pthread_key_t   tss_t;
 typedef pthread_mutex_t mtx_t;
 typedef pthread_once_t  once_flag;
-// FIXME: temporary non-standard hack to ease transition
-#  define _MTX_INITIALIZER_NP PTHREAD_MUTEX_INITIALIZER
 #  define ONCE_FLAG_INIT PTHREAD_ONCE_INIT
 #  ifdef PTHREAD_DESTRUCTOR_ITERATIONS
 #    define TSS_DTOR_ITERATIONS PTHREAD_DESTRUCTOR_ITERATIONS