Index: head/devel/qt5-designer/Makefile
===================================================================
--- head/devel/qt5-designer/Makefile
+++ head/devel/qt5-designer/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	designer
 DISTVERSION=	${QT5_VERSION}
+PORTREVISION=	1
 CATEGORIES=	devel
 PKGNAMEPREFIX=	qt5-
 
@@ -9,7 +10,7 @@
 COMMENT=	Qt 5 graphical user interface designer
 
 USE_QT5=	assistant_run core gui network printsupport quick uiplugin \
-		webkit widgets xml buildtools_build
+		widgets xml buildtools_build
 QT_DIST=	tools
 USES=		qmake
 USE_LDCONFIG=	${PREFIX}/${QT_LIBDIR_REL}
@@ -21,6 +22,12 @@
 
 BUILD_WRKSRC=	${WRKSRC}/src/${PORTNAME}
 INSTALL_WRKSRC=	${WRKSRC}/src/${PORTNAME}
+
+OPTIONS_DEFINE=	WEBKIT
+OPTIONS_SUB=	yes
+WEBKIT_DESC=	Build WebKit-based WebView widget
+WEBKIT_QMAKE_ON=	CONFIG+=use_webkit
+WEBKIT_USE=	QT5=webkit
 
 post-patch:
 # uiplugin is built in x11-toolkits/qt5-uiplugin.
Index: head/devel/qt5-designer/files/patch-src_designer_src_plugins_plugins.pro
===================================================================
--- head/devel/qt5-designer/files/patch-src_designer_src_plugins_plugins.pro
+++ head/devel/qt5-designer/files/patch-src_designer_src_plugins_plugins.pro
@@ -0,0 +1,16 @@
+Make QtWebKit an optional dependency of devel/qt5-designer. 
+Otherwise ports like devel/qtcreator will depend on both 
+qt5-webengine (directly) and qt5-webkit (via designer).
+
+--- src/designer/src/plugins/plugins.pro.orig	2016-11-03 08:31:16 UTC
++++ src/designer/src/plugins/plugins.pro
+@@ -1,6 +1,8 @@
+ TEMPLATE = subdirs
+ 
+ # qtHaveModule(opengl): SUBDIRS += tools/view3d
+-qtHaveModule(webkitwidgets): SUBDIRS += qwebview
++use_webkit {
++    qtHaveModule(webkitwidgets): SUBDIRS += qwebview
++}
+ win32: qtHaveModule(axcontainer): SUBDIRS += activeqt
+ qtHaveModule(quickwidgets): SUBDIRS += qquickwidget
Index: head/devel/qt5-designer/pkg-plist
===================================================================
--- head/devel/qt5-designer/pkg-plist
+++ head/devel/qt5-designer/pkg-plist
@@ -177,7 +177,7 @@
 %%QT_CMAKEDIR%%/Qt5Designer/Qt5DesignerConfig.cmake
 %%QT_CMAKEDIR%%/Qt5Designer/Qt5DesignerConfigVersion.cmake
 %%QT_CMAKEDIR%%/Qt5Designer/Qt5Designer_QQuickWidgetPlugin.cmake
-%%QT_CMAKEDIR%%/Qt5Designer/Qt5Designer_QWebViewPlugin.cmake
+%%WEBKIT%%%%QT_CMAKEDIR%%/Qt5Designer/Qt5Designer_QWebViewPlugin.cmake
 %%QT_BINDIR%%/designer
 %%QT_LIBDIR%%/libQt5Designer.prl
 %%QT_LIBDIR%%/libQt5Designer.so
@@ -196,7 +196,7 @@
 %%QT_MKSPECDIR%%/modules/qt_lib_designercomponents_private.pri
 %%QT_PLUGINDIR%%/designer/libqquickwidget.so
 %%DEBUG%%%%QT_PLUGINDIR%%/designer/libqquickwidget.so.debug
-%%QT_PLUGINDIR%%/designer/libqwebview.so
-%%DEBUG%%%%QT_PLUGINDIR%%/designer/libqwebview.so.debug
+%%WEBKIT%%%%QT_PLUGINDIR%%/designer/libqwebview.so
+%%WEBKIT%%%%DEBUG%%%%QT_PLUGINDIR%%/designer/libqwebview.so.debug
 libdata/pkgconfig/Qt5Designer.pc
 share/pixmaps/designer-qt5.png