diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index b82f82b74319..d8ec74b4d1ee 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -82,11 +82,6 @@ config MMU
 	bool "MMU support"
 	default n
 
-config NO_MMU
-	bool
-	depends on !MMU
-	default y
-
 comment "Boot options"
 
 config CMDLINE_BOOL
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 61b3a1fed46f..fc6b89f4dd31 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -193,8 +193,8 @@
  *      -                            W   S   REG   EXC
  *
  *
- * STACK FRAME STRUCTURE (for NO_MMU)
- * ---------------------------------
+ * STACK FRAME STRUCTURE (for CONFIG_MMU=n)
+ * ----------------------------------------
  *
  *      +-------------+         + 0
  *      |     MSR     |