diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index b61adfae29d16ae310c8b021df0f04170459d891..c1785eec2cf772e582b48fade2b7694748d381cb 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -314,10 +314,10 @@ $(INSTALL_TARGETS):
 PHONY += dtbs dtbs_install
 
 dtbs: prepare scripts
-	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE)
+	$(Q)$(MAKE) $(build)=$(boot)/dts
 
 dtbs_install:
-	$(Q)$(MAKE) $(dtbinst)=$(boot)/dts MACHINE=$(MACHINE)
+	$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
 
 # We use MRPROPER_FILES and CLEAN_FILES now
 archclean: