1 files changed, 1 insertions, 4 deletions
diff --git a/kern/rbtree.h b/kern/rbtree.h
index 189a7fd6..16ef2736 100644
--- a/kern/rbtree.h
+++ b/kern/rbtree.h
@@ -31,12 +31,9 @@
 
 #include <stddef.h>
 #include <kern/assert.h>
-#include <kern/macro_help.h>
+#include <kern/macros.h>
 #include <sys/types.h>
 
-#define structof(ptr, type, member) \
-    ((type *)((char *)ptr - offsetof(type, member)))
-
 /*
  * Indexes of the left and right nodes in the children array of a node.
  */