diff --git a/mm/Kconfig b/mm/Kconfig
index b33637e91..774fd0bbe 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -482,9 +482,8 @@ config SPARSEMEM_VMEMMAP_ENABLE
 	bool
 
 config SPARSEMEM_VMEMMAP
-	bool "Sparse Memory virtual memmap"
+	def_bool y
 	depends on SPARSEMEM && SPARSEMEM_VMEMMAP_ENABLE
-	default y
 	help
 	  SPARSEMEM_VMEMMAP uses a virtually mapped memmap to optimise
 	  pfn_to_page and page_to_pfn operations.  This is the most