diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index b92b9445255d..0e0b312d90d2 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -322,13 +322,6 @@ config NODES_SHIFT
 	default "1"
 	depends on NEED_MULTIPLE_NODES
 
-# turning this on wastes a bunch of space.
-# Summit needs it only when NUMA is on
-config BOOT_IOREMAP
-	bool
-	depends on NUMA
-	default n
-
 endmenu