diff --git a/comms/py-nkdfu/Makefile b/comms/py-nkdfu/Makefile
index c9668b2f1026..8c236616d010 100644
--- a/comms/py-nkdfu/Makefile
+++ b/comms/py-nkdfu/Makefile
@@ -1,31 +1,25 @@
 PORTNAME=	nkdfu
 PORTVERSION=	0.2
 CATEGORIES=	comms python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	aishapoval@mts.ru
 COMMENT=	Python DFU tool for updating Nitrokeys' firmware (Nitrokey Pro only)
 WWW=		https://github.com/Nitrokey/nkdfu
 
 LICENSE=	GPLv2
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}fire>=0:devel/py-fire@${PY_FLAVOR}  \
-		${PYTHON_PKGNAMEPREFIX}tqdm>=0:misc/py-tqdm@${PY_FLAVOR}  \
-		${PYTHON_PKGNAMEPREFIX}intelhex>=2.3.0:devel/py-intelhex@${PY_FLAVOR}  \
-		${PYTHON_PKGNAMEPREFIX}libusb1>=1.9.3:devel/py-libusb1@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit-core>=0:devel/py-flit-core@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}fire>=0:devel/py-fire@${PY_FLAVOR}  \
 		${PYTHON_PKGNAMEPREFIX}tqdm>=0:misc/py-tqdm@${PY_FLAVOR}  \
 		${PYTHON_PKGNAMEPREFIX}intelhex>=2.3.0:devel/py-intelhex@${PY_FLAVOR}  \
 		${PYTHON_PKGNAMEPREFIX}libusb1>=1.9.3:devel/py-libusb1@${PY_FLAVOR}
 
-PEP517_BUILD_CMD=	${PYTHON_CMD} -m flit_core.wheel
-PEP517_BUILD_DEPEND=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.2.0<4:devel/py-flit-core@${PY_FLAVOR}
-
 USES=		python shebangfix
 USE_PYTHON=	autoplist pep517
 
 SHEBANG_FILES=  nkdfu/dfu_flash.py
 NO_ARCH=	yes
 
 .include <bsd.port.mk>