diff --git a/Makefile b/Makefile
index c4a9c20e..94b4c129 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,8 @@ define n
 
 endef
 
+# Only require BOARD and DISPLAY for non-clean targets
+ifeq (,$(filter clean,$(MAKECMDGOALS)))
 ifndef BOARD
   $(error Build failed: BOARD not defined. Use one of the four options below, depending on your hardware:$n$n    make BOARD=sensorwatch_red DISPLAY=display_type$n    make BOARD=sensorwatch_blue DISPLAY=display_type$n    make BOARD=sensorwatch_pro DISPLAY=display_type$n$n)
 endif
@@ -41,6 +43,7 @@ else
     $(error Build failed: invalid DISPLAY type. Use one of the options below, depending on your hardware:$n$n    make BOARD=board_type DISPLAY=classic$n    make BOARD=board_type DISPLAY=custom$n$n)
   endif
 endif
+endif
 
 ifdef NOSLEEP
     DEFINES += -DMOVEMENT_LOW_ENERGY_MODE_FORBIDDEN