diff --git a/Makefile b/Makefile
index 9a5abd9..fc21928 100644
--- a/Makefile
+++ b/Makefile
@@ -781,7 +781,6 @@
 NEED_LIBUSB1 := $(call filter_deps,$(DEPENDS_ON_LIBUSB1))
 ifneq ($(NEED_LIBUSB1), )
 CHECK_LIBUSB1 = yes
-FEATURE_CFLAGS += -D'NEED_LIBUSB1=1'
 PROGRAMMER_OBJS += usbdev.o
 # FreeBSD and DragonflyBSD use a reimplementation of libusb-1.0 that is simply called libusb
 ifeq ($(TARGET_OS),$(filter $(TARGET_OS),FreeBSD DragonFlyBSD))