--- Libc/Libc-825.24/pthreads/plockstat.d
+++ Libc/Libc-498/pthreads/plockstat.d
@@ -1,5 +1,4 @@
-typedef struct _opaque_pthread_mutex_t pthread_mutex_t;
-typedef struct _opaque_pthread_rwlock_t pthread_rwlock_t;
+#include <pthread.h>
 
 provider plockstat {
   probe mutex__acquire(pthread_mutex_t *mutex, int recursive, int spin_count);