diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index 0ab089e89db4..4ac34392823a 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -45,7 +45,4 @@ void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
 
 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
 			int isol_flags);
-
-struct page *alloc_migrate_target(struct page *page, unsigned long private);
-
 #endif