diff --git a/mm/Kconfig b/mm/Kconfig
index 15c131393639b50e5bba400aaa73cdc1756af6f1..0320f066228cf7d826b0ff0f36ebc8c968e5366a 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1,8 +1,7 @@
 choice
 	prompt "Memory model"
-	default FLATMEM
-	default SPARSEMEM if ARCH_SPARSEMEM_DEFAULT
 	default DISCONTIGMEM if ARCH_DISCONTIGMEM_DEFAULT
+	default FLATMEM
 
 config FLATMEM
 	bool "Flat Memory"