diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index ed565eb..342e056 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -77,7 +77,7 @@
 
 clean:
 	rm -f $(ALL_PROGRAMS)
-	rm -f $(OUTPUT)include/linux/gpio.h
+	rm -rf $(OUTPUT)include
 	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.cmd' -delete
 
 install: $(ALL_PROGRAMS)