diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 754c25966a0a7828901deaf2c69dc1d5243736f4..ac00e2050943b4352feeb0f196ff5b5b48a3204a 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -690,14 +690,6 @@ struct zonelist {
 #endif
 };
 
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-struct node_active_region {
-	unsigned long start_pfn;
-	unsigned long end_pfn;
-	int nid;
-};
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-
 #ifndef CONFIG_DISCONTIGMEM
 /* The array of struct pages - for discontigmem use pgdat->lmem_map */
 extern struct page *mem_map;