diff --git a/cad/xtrkcad/Makefile b/cad/xtrkcad/Makefile
index f968f37c54c0..7a74e965f1a3 100644
--- a/cad/xtrkcad/Makefile
+++ b/cad/xtrkcad/Makefile
@@ -16,9 +16,8 @@ LIB_DEPENDS=	libcmocka.so:sysutils/cmocka \
 		libfreetype.so:print/freetype2 \
 		libsoup-2.4.so:devel/libsoup \
 		libwebkitgtk-1.0.so:www/webkit-gtk2
-BUILD_DEPENDS=	pkg-config:devel/pkgconf
 
-USES=		cmake gnome
+USES=		cmake gnome pkgconfig
 USE_GNOME=	gdkpixbuf2 gtk20 cairo
 
 CMAKE_ON=	XTRKCAD_USE_GTK
diff --git a/comms/libconcord/Makefile b/comms/libconcord/Makefile
index 9a637a47c8d8..7e8d631227ae 100644
--- a/comms/libconcord/Makefile
+++ b/comms/libconcord/Makefile
@@ -13,12 +13,11 @@ COMMENT=	Logitech Harmony configuration library
 
 LICENSE=	GPLv2
 
-BUILD_DEPENDS=	pkg-config:devel/pkgconf
 LIB_DEPENDS=	libhidapi.so:comms/hidapi \
 		libzip.so:archivers/libzip
 
 USE_LDCONFIG=	yes
-USES=		tar:bzip2 libtool shared-mime-info
+USES=		tar:bzip2 libtool pkgconfig shared-mime-info
 WRKSRC_SUBDIR=	libconcord
 GNU_CONFIGURE=	yes
 CFLAGS+=	-I${LOCALBASE}/include
diff --git a/comms/svxlink/Makefile b/comms/svxlink/Makefile
index 82dc25805538..61a43a32e9d1 100644
--- a/comms/svxlink/Makefile
+++ b/comms/svxlink/Makefile
@@ -19,10 +19,9 @@ LIB_DEPENDS?=	libgsm.so:audio/gsm \
 		libpopt.so:devel/popt \
 		libopus.so:audio/opus \
 		librtlsdr.so:comms/rtl-sdr
-BUILD_DEPENDS=	pkg-config:devel/pkgconf \
-		${LOCALBASE}/include/linux/input.h:devel/evdev-proto
+BUILD_DEPENDS=	${LOCALBASE}/include/linux/input.h:devel/evdev-proto
 
-USES+=		cmake compiler:c++11-lang tcl groff
+USES+=		cmake compiler:c++11-lang groff pkgconfig tcl 
 USE_GITHUB=	yes
 GH_ACCOUNT=	sm0svx
 GH_PROJECT=	svxlink
diff --git a/devel/gdcm/Makefile b/devel/gdcm/Makefile
index bcc0462c9514..d61818b4983d 100644
--- a/devel/gdcm/Makefile
+++ b/devel/gdcm/Makefile
@@ -12,11 +12,10 @@ COMMENT=	Grassroots DICOM library
 
 LICENSE=	BSD3CLAUSE
 
-BUILD_DEPENDS=	pkgconf:devel/pkgconf
 LIB_DEPENDS=	libopenjp2.so:graphics/openjpeg \
 		libexpat.so:textproc/expat2
 
-USES=		alias cmake compiler:c++11-lang tar:bzip2 ssl
+USES=		alias cmake compiler:c++11-lang pkgconfig tar:bzip2 ssl
 
 OPTIONS_DEFINE=		VTK6
 OPTIONS_SUB=		yes
diff --git a/sysutils/hstr/Makefile b/sysutils/hstr/Makefile
index f93911c1603f..f949e7edf76b 100644
--- a/sysutils/hstr/Makefile
+++ b/sysutils/hstr/Makefile
@@ -11,9 +11,7 @@ COMMENT=	Bash and Zsh shell history suggest box
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BUILD_DEPENDS=	pkg-config:devel/pkgconf
-
-USES=	autoreconf ncurses readline
+USES=		autoreconf ncurses pkgconfig readline
 USE_GITHUB=	yes
 GH_ACCOUNT=	dvorka
 GH_PROJECT=	hstr
diff --git a/www/p5-Plack-Middleware-ExtDirect/Makefile b/www/p5-Plack-Middleware-ExtDirect/Makefile
index e58efcf05aff..ac5227a174a1 100644
--- a/www/p5-Plack-Middleware-ExtDirect/Makefile
+++ b/www/p5-Plack-Middleware-ExtDirect/Makefile
@@ -14,12 +14,11 @@ COMMENT=	Implement an RPC::ExtDirect gateway using Plack
 LICENSE=	ART10
 
 BUILD_DEPENDS=	${RUN_DEPENDS}
-RUN_DEPENDS=	pkg-config:devel/pkgconf \
-		p5-Plack>=0:www/p5-Plack \
+RUN_DEPENDS=	p5-Plack>=0:www/p5-Plack \
 		p5-RPC-ExtDirect>=3.20:www/p5-RPC-ExtDirect
 TEST_DEPENDS=	p5-Test-Pod>=1.46:devel/p5-Test-Pod
 
-USES=		perl5
+USES=		perl5 pkgconfig:both
 USE_PERL5=	configure
 NO_ARCH=	YES