diff --git a/mail/py-flask-mail/Makefile b/mail/py-flask-mail/Makefile
index 2e9210b11d4b..4b926099e4d2 100644
--- a/mail/py-flask-mail/Makefile
+++ b/mail/py-flask-mail/Makefile
@@ -1,28 +1,25 @@
 PORTNAME=	flask-mail
 PORTVERSION=	0.10.0
 CATEGORIES=	mail www python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	flask_mail-${DISTVERSION}
 
 MAINTAINER=	john@saltant.com
 COMMENT=	Send SMTP email from a Flask web application
 WWW=		https://flask-mail.readthedocs.io/ \
 		https://github.com/pallets-eco/flask-mail
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit-core>=0<4:devel/py-flit-core@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flask>=0.9:www/py-flask@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}blinker>=0:devel/py-blinker@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist pep517
 
-PEP517_BUILD_DEPEND=	${PYTHON_PKGNAMEPREFIX}flit-core>=0:devel/py-flit-core@${PY_FLAVOR} \
-			${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
-PEP517_BUILD_CMD=	${PYTHON_CMD} -m flit_core.wheel
-
 NO_ARCH=	yes
 
 .include <bsd.port.mk>