diff --git a/mm/sparse.c b/mm/sparse.c
index 007fd52c621e..effdac6b0ab1 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -403,7 +403,6 @@ static void __init sparse_init_nid(int nid, unsigned long pnum_begin,
 		ms = __nr_to_section(pnum);
 		if (!preinited_vmemmap_section(ms))
 			ms->section_mem_map = 0;
-		ms->section_mem_map = 0;
 	}
 }