diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 0e48c3221d82ae371907f00334e6074dcbfb4461..f1f07d31a3af15fbf34934f502feb54d469e3d26 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -44,7 +44,6 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat,
 				       unsigned long endpfn);
 extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
 
-extern unsigned long free_all_bootmem_node(pg_data_t *pgdat);
 extern unsigned long free_all_bootmem(void);
 extern void reset_all_zones_managed_pages(void);
 
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 58609bbf584eb397e47cf27df2795f735feaa8eb..6ab7744e692ed86cd4417041686dc3a0821cab9f 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -263,24 +263,6 @@ void __init reset_all_zones_managed_pages(void)
 	reset_managed_pages_done = 1;
 }
 
-/**
- * free_all_bootmem_node - release a node's free pages to the buddy allocator
- * @pgdat: node to be released
- *
- * Returns the number of pages actually released.
- */
-unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
-{
-	unsigned long pages;
-
-	register_page_bootmem_info_node(pgdat);
-	reset_node_managed_pages(pgdat);
-	pages = free_all_bootmem_core(pgdat->bdata);
-	totalram_pages += pages;
-
-	return pages;
-}
-
 /**
  * free_all_bootmem - release free pages to the buddy allocator
  *