diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 5ce5a1e..e1512a6 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -479,34 +479,6 @@
 }
 
 /**
- * radix_tree_for_each_chunk - iterate over chunks
- *
- * @slot:	the void** variable for pointer to chunk first slot
- * @root:	the struct radix_tree_root pointer
- * @iter:	the struct radix_tree_iter pointer
- * @start:	iteration starting index
- * @flags:	RADIX_TREE_ITER_* and tag index
- *
- * Locks can be released and reacquired between iterations.
- */
-#define radix_tree_for_each_chunk(slot, root, iter, start, flags)	\
-	for (slot = radix_tree_iter_init(iter, start) ;			\
-	      (slot = radix_tree_next_chunk(root, iter, flags)) ;)
-
-/**
- * radix_tree_for_each_chunk_slot - iterate over slots in one chunk
- *
- * @slot:	the void** variable, at the beginning points to chunk first slot
- * @iter:	the struct radix_tree_iter pointer
- * @flags:	RADIX_TREE_ITER_*, should be constant
- *
- * This macro is designed to be nested inside radix_tree_for_each_chunk().
- * @slot points to the radix tree slot, @iter->index contains its index.
- */
-#define radix_tree_for_each_chunk_slot(slot, iter, flags)		\
-	for (; slot ; slot = radix_tree_next_slot(slot, iter, flags))
-
-/**
  * radix_tree_for_each_slot - iterate over non-empty slots
  *
  * @slot:	the void** variable for pointer to slot