diff --git a/fx/sys/darwin/bitop.c b/fx/sys/darwin/bitop.c
index 3653953..98ba2e7 100644
--- a/fx/sys/darwin/bitop.c
+++ b/fx/sys/darwin/bitop.c
@@ -1,4 +1,4 @@
-#include <fx/core/bitop.h>
+#include <fx/bitop.h>
 
 int fx_popcountl(long v)
 {
diff --git a/fx/sys/darwin/thread.c b/fx/sys/darwin/thread.c
index e0fc3ea..0e0ae1b 100644
--- a/fx/sys/darwin/thread.c
+++ b/fx/sys/darwin/thread.c
@@ -1,3 +1,4 @@
+#if 0
 #include <assert.h>
 #include <fx/core/error.h>
 #include <fx/core/thread.h>
@@ -59,3 +60,4 @@ bool fx_mutex_unlock(fx_mutex *mut)
 {
 	return pthread_mutex_unlock(mut) == 0;
 }
+#endif