diff --git a/x11-fonts/oxygen-fonts/Makefile b/x11-fonts/oxygen-fonts/Makefile
index f8aec45869aa..7cd29a03af1a 100644
--- a/x11-fonts/oxygen-fonts/Makefile
+++ b/x11-fonts/oxygen-fonts/Makefile
@@ -1,27 +1,27 @@
 PKGNAMEPREFIX=
 PORTNAME=	oxygen-fonts
 DISTVERSION=	5.4.3
 CATEGORIES=	x11-fonts kde-plasma
 
 MAINTAINER=	vishwin@FreeBSD.org
 COMMENT=	Plasma5 Oxygen font family
 WWW=		https://cgit.kde.org/oxygen-fonts.git
 
 LICENSE=	OFL11 GPLv3RLE+
 LICENSE_COMB=	dual
 LICENSE_FILE_OFL11=	${WRKSRC}/COPYING-OFL
 LICENSE_FILE_GPLv3RLE+ =	${WRKSRC}/COPYING-GPL+FE.txt
 
 BUILD_DEPENDS=	fontforge:print/fontforge
 
 USES=		cmake fonts:none kde:5 qt:5 tar:xz
 
 USE_KDE=	ecm:build
 KDE_PLASMA_VERSION=	${DISTVERSION}
 KDE_PLASMA_BRANCH=	Attic
 
-USE_QT=	buildtools:build qmake:build
+USE_QT=	buildtools:build core:build qmake:build
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/x11-themes/kf5-oxygen-icons5/Makefile b/x11-themes/kf5-oxygen-icons5/Makefile
index 0dce8852315d..00e725b2c697 100644
--- a/x11-themes/kf5-oxygen-icons5/Makefile
+++ b/x11-themes/kf5-oxygen-icons5/Makefile
@@ -1,20 +1,15 @@
 PORTNAME=	oxygen-icons
 DISTVERSION=	${KDE_FRAMEWORKS_VERSION}
 CATEGORIES=	x11-themes kde kde-frameworks
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	The Oxygen icon theme for KDE
 
 USES=		cmake kde:5 qt:5 tar:xz
 USE_KDE=	ecm:build  # We only install icons.
 
-# The qmake dependency is only needed so that kf5-e-c-m can query qmake for
-# some installation directories.
-# We explicitly prevent it from looking for qt5-core and specify qmake's path
-# to avoid needlessly depending on qt5-core; we're just installing a ton of
-# icon files and do not even use the paths queried from qmake.
-USE_QT=		buildtools:build qmake:build
+USE_QT=		buildtools:build core:build qmake:build
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/x11/plasma-wayland-protocols/Makefile b/x11/plasma-wayland-protocols/Makefile
index f08e16d9d971..0d74d560f3ea 100644
--- a/x11/plasma-wayland-protocols/Makefile
+++ b/x11/plasma-wayland-protocols/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	plasma-wayland-protocols
 DISTVERSION=	1.13.0
 CATEGORIES=	x11 kde
 MASTER_SITES=	KDE/stable/${PORTNAME}/
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Plasma Specific Protocols for Wayland
 WWW=		https://github.com/kde/plasma-wayland-protocols
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING.LIB
 
 USES=		cmake kde:5 qt:5 tar:xz
 USE_KDE=	ecm:build
-USE_QT=		buildtools:build qmake:build
+USE_QT=		buildtools:build core:build qmake:build
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>