diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 538afcef331440aeda3cd78d0fd17402958a0129..72f6e85837467679354d37ec148db56eb4868363 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -94,3 +94,5 @@ define archhelp
   echo '  name of a dts file from the arch/microblaze/boot/dts/ directory'
   echo '  (minus the .dts extension).'
 endef
+
+MRPROPER_FILES += $(boot)/simpleImage.*
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 902cf9846c3cb9b89f0940a8a635554cb265fd0b..a1fc3242178213b18823cd4b2481ad4ee35b7b6d 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -64,4 +64,4 @@ $(obj)/%.dtb: $(dtstree)/%.dts FORCE
 
 clean-kernel += linux.bin linux.bin.gz simpleImage.*
 
-clean-files += *.dtb simpleImage.*.unstrip
+clean-files += *.dtb simpleImage.*.unstrip linux.bin.ub