diff --git a/firmware/Makefile b/firmware/Makefile
index 3b6592a..d26ee92 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -68,17 +68,9 @@ clean:
 fuse: 
 	$(AVRDUDE) -p m88 -F -c usbtiny  -v -v  -U $(FUSES)
 
+# flash via Arduino Uno or similar
 flash: $(PROJECT).hex Makefile
-	$(AVRDUDE) -p m88 -F -c usbtiny  -B 1  -U flash:w:$(PROJECT).hex
+	$(AVRDUDE) -p m88 -P /dev/ttyACM0 -c stk500v1 -b 19200  -U flash:w:$(PROJECT).hex
 
-fljohn: $(PROJECT).hex Makefile
-	$(AVRDUDE) -p m88 -F  -P /dev/serial/by-id/usb-FTDI_USB__-__Serial-if00-port0   -c stk500v2 -v -v  -U flash:w:$(PROJECT).hex
-
-flsmart: $(PROJECT).hex Makefile
-	$(AVRDUDE) -p m88 -F  -P /dev/ttyUSB0 -c stk500v2 -v -v  -U flash:w:$(PROJECT).hex
-
-flusbasp: $(PROJECT).hex Makefile
-	$(AVRDUDE) -p m88 -F -c usbasp -v -v  -U flash:w:$(PROJECT).hex
-
-.PHONY : clean all fuse flash fljohn 
+.PHONY : clean all fuse flash