diff --git a/devel/qt5-qdoc/Makefile b/devel/qt5-qdoc/Makefile
index 5209a254a63b..fbbf2a536098 100644
--- a/devel/qt5-qdoc/Makefile
+++ b/devel/qt5-qdoc/Makefile
@@ -1,23 +1,20 @@
 PORTNAME=	qdoc
 PORTVERSION=	${QT5_VERSION}${QT5_KDE_PATCH}
 PORTREVISION=	1
 CATEGORIES=	devel textproc
 PKGNAMEPREFIX=	qt5-
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt documentation generator
 
-BUILD_DEPENDS=	llvm${LLVM_DEFAULT}>=0:devel/llvm${LLVM_DEFAULT}
-RUN_DEPENDS=	llvm${LLVM_DEFAULT}>=0:devel/llvm${LLVM_DEFAULT}
-
-USES=		compiler:c++11-lang qmake qt-dist:5,tools
+USES=		compiler:c++11-lang llvm:build,run qmake qt-dist:5,tools
 USE_QT=		core declarative buildtools:build qdoc-data:run
 
 BUILD_WRKSRC=	${WRKSRC}/src/${PORTNAME}
 INSTALL_WRKSRC=	${BUILD_WRKSRC}
 
-CONFIGURE_ENV=	LLVM_INSTALL_DIR=${LOCALBASE}/llvm${LLVM_DEFAULT}
+CONFIGURE_ENV=	LLVM_INSTALL_DIR=${LLVM_PREFIX}
 
 QT_BINARIES=	yes
 
 .include <bsd.port.mk>