diff --git a/devel/level-zero/Makefile b/devel/level-zero/Makefile
index 697b0296a8de..6b94f67d3bc2 100644
--- a/devel/level-zero/Makefile
+++ b/devel/level-zero/Makefile
@@ -1,38 +1,37 @@
 PORTNAME=	level-zero
 PORTVERSION=	1.22.3
 DISTVERSIONPREFIX=	v
 CATEGORIES=	devel
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	oneAPI Level Zero Specification Headers and Loader
 WWW=		https://spec.oneapi.io/versions/latest/elements/l0/source/index.html \
 		https://github.com/oneapi-src/level-zero
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libfmt.so:devel/libfmt \
 		libspdlog.so:devel/spdlog
 
 USES=		cmake compiler:c++14-lang localbase:ldflags pathfix
 
 CMAKE_OFF=	BUILD_INSTALLER \
 		BUILD_L0_LOADER_TESTS \
 		BUILD_STATIC \
 		USE_ASAN
 CMAKE_ON=	SYSTEM_SPDLOG
-CXXFLAGS+=	-DSPDLOG_FMT_EXTERNAL
 LDFLAGS+=	-lfmt
 USE_LDCONFIG=	yes
 
 PLIST_SUB=	PORTVERSION=${PORTVERSION}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	oneapi-src
 
 post-patch:
 	@${ECHO_CMD} ${PORTVERSION:E} > ${WRKSRC}/VERSION_PATCH
 # Clean up bundled libraries
 	@${RM} -r ${WRKSRC}/third_party/spdlog_headers
 
 .include <bsd.port.mk>