diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index aad3b0b..6708fa4 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -36,6 +36,7 @@
 
 config M68000
 	bool "MC68000"
+	depends on !MMU
 	select CPU_HAS_NO_BITFIELDS
 	select CPU_HAS_NO_MULDIV64
 	select CPU_HAS_NO_UNALIGNED