diff --git a/devel/sdbus-cpp/Makefile b/devel/sdbus-cpp/Makefile
index 84e2c4ba2054..660beb7d2f71 100644
--- a/devel/sdbus-cpp/Makefile
+++ b/devel/sdbus-cpp/Makefile
@@ -1,33 +1,33 @@
 PORTNAME=	sdbus-cpp
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3.0
 CATEGORIES=	devel
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	High-level C++ D-Bus library
 WWW=		https://github.com/Kistler-Group/sdbus-cpp
 
 LICENSE=	LGPL21+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libbasu.so:devel/basu \
 		libexpat.so:textproc/expat2
 TEST_DEPENDS=	googletest>0:devel/googletest
 
 USES=		cmake:testing compiler:c++17-lang pkgconfig
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 GH_ACCOUNT=	Kistler-Group
 CMAKE_ON=	BUILD_CODE_GEN
 CMAKE_OFF=	BUILD_DOC
 CMAKE_TESTING_ON=	BUILD_TESTS
 
-.include <bsd.port.options.mk>
-
-.if ${OPSYS} != FreeBSD || ${OSVERSION} < 1300134
+# XXX Drop after FreeBSD 12.4 EOL around 2023-12-31
+# https://cgit.freebsd.org/src/commit/?id=7a202823aa54
+.if !exists(/usr/include/sys/eventfd.h)
 LIB_DEPENDS+=	libepoll-shim.so:devel/libepoll-shim
 CFLAGS+=	`pkg-config --cflags epoll-shim`
 LDFLAGS+=	`pkg-config --libs epoll-shim`
 .endif
 
 .include <bsd.port.mk>