diff --git a/devel/py-nbclient/Makefile b/devel/py-nbclient/Makefile
index 7785b31f8034..c89a66dc6e3b 100644
--- a/devel/py-nbclient/Makefile
+++ b/devel/py-nbclient/Makefile
@@ -1,31 +1,25 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	nbclient
 PORTVERSION=	0.5.9
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Client library for executing notebooks
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}jupyter-client>=6.1.5:devel/py-jupyter-client@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbformat>=5.0:devel/py-nbformat@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nest-asyncio>=0:devel/py-nest-asyncio@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}traitlets>=4.2:devel/py-traitlets@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
-.include <bsd.port.pre.mk>
-
-.if ${PYTHON_REL} < 30700
-RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}async_generator>=0:devel/py-async_generator@${PY_FLAVOR}
-.endif
-
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>