diff --git a/mm/mmap.c b/mm/mmap.c
index 98ef8a6c2cd80e2b4481db22c8db24d76440f0a2..6cb3193cdaeedbd8a9311fd34ef5b49a218ec218 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2125,7 +2125,6 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
 
 	return 0;
 }
-EXPORT_SYMBOL(do_munmap);
 
 int vm_munmap(unsigned long start, size_t len)
 {