diff --git a/math/gap/Makefile b/math/gap/Makefile
index 601b69eb4b6b..301f685db884 100644
--- a/math/gap/Makefile
+++ b/math/gap/Makefile
@@ -1,62 +1,62 @@
 PORTNAME=	gap
 DISTVERSION=	4.12.0
 PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	https://github.com/gap-system/gap/releases/download/v${DISTVERSION}/
 
 PATCH_SITES=	https://github.com/gap-system/gap/commit/
 PATCHFILES=	adc76841750e3b0d39edf1315b5258bae119a928.diff:-p1 # Don't attempt to install the 'dev' manual, see https://github.com/gap-system/gap/pull/5091
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	System for computational discrete algebra
 WWW=		https://www.gap-system.org/
 
 LICENSE=	GPLv2+
 
 BROKEN_aarch64=		fails to link: undefined reference to SyAllocBags
 BROKEN_riscv64=		fails to link: undefined reference to SyAllocBags
 
 BUILD_DEPENDS=	bash:shells/bash
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		gmake libtool localbase perl5 readline shebangfix
 USE_PERL5=	run
 USE_LDCONFIG=	yes
 
 SHEBANG_FILES=	.
 
 GNU_CONFIGURE=	yes
 
 MAKEFILE=	GNUmakefile
 
 ACLOCVER=	1.16	# Truncated version of aclocal / automake
 
-.include <bsd.port.options.mk>
-
 pre-configure:
 # Avoid conflict with C++20 <version> by ignoring <...> under WRKSRC
 	${REINPLACE_CMD} -i .c++20 's/-I/-iquote/' \
 		${WRKSRC}/pkg/*/Makefile.in
 .for f in aclocal.m4 configure
 	${FIND} ${WRKSRC} -name ${f} | ${XARGS} ${REINPLACE_CMD} -i ''	\
 		-e "s|am__api_version='1.15'|am__api_version='${ACLOCVER}'|"
 .endfor
 
 post-build:
 	@cd ${WRKSRC}/pkg/simpcomp && \
 		${SETENV} ${CONFIGURE_ENV} ${SH} configure \
 			${CONFIGURE_ARGS:N--with-*} && \
 		${MAKE} ${MAKEFLAGS} && \
 		${MAKE} ${MAKEFLAGS} install-strip && \
 		${RM} bistellar
 
 post-install:
 	# install packages
 	cd ${WRKSRC} && ${COPYTREE_SHARE} pkg ${STAGEDIR}${DATADIR}
 	# remove redundant files
 	${RM} ${STAGEDIR}${DATADIR}/pkg/patternclass/lib/.DS_Store
+	# strip binary
+	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libgap.so.8.0.0
 
 do-test:
 	@cd ${WRKSRC} && ./gap ${FILESDIR}/test.g
 
 .include <bsd.port.mk>