Index: introduction/welcome/changelog.xml
===================================================================
--- introduction/welcome/changelog.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ introduction/welcome/changelog.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -49,5 +49,7 @@
         <listitem>
           <para>[bdubbs] - Remove references to qt4 in poppler, cmake, 
-          doxygen, qca, and pinentry.</para>
+          doxygen, qca, pinentry, obconf-qt, qscintilla, qtermwidget,
+          gst10-plugins-base, v4l-utils, wpa_supplicant, wireshark,
+          and transmission.</para>
         </listitem>
         <listitem>
Index: kde/libdbusmenuqt.xml
===================================================================
--- kde/libdbusmenuqt.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ kde/libdbusmenuqt.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -31,8 +31,5 @@
 
     <para>This library provides a <application>Qt</application> implementation
-    of the DBusMenu specification that exposes menus via DBus.<!--  Its
-    libraries are used by both KDE4 and KF5, but they must be linked to <xref
-    linkend='qt4'/> and <xref linkend='qt5'/> respectively. The two versions do
-    not conflict with each other.--> </para>
+    of the DBusMenu specification that exposes menus via DBus.</para>
 
     &lfs79_checked;&gcc6_checked;
Index: lxqt/apps/obconf-qt.xml
===================================================================
--- lxqt/apps/obconf-qt.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ lxqt/apps/obconf-qt.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -34,5 +34,5 @@
       <application>OpenBox</application> Qt based configuration tool.</para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -82,7 +82,6 @@
     <para role="required">
       <xref linkend="cmake"/>,
-      <xref linkend="openbox"/> and
-      <xref linkend="qt5"/> or
-      <xref linkend="qt4"/>
+      <xref linkend="openbox"/>, and
+      <xref linkend="qt5"/> 
     </para>
 
@@ -108,5 +107,4 @@
       -DCMAKE_INSTALL_PREFIX=/usr \
       ..       &amp;&amp;
-
 make</userinput></screen>
 
Index: lxqt/apps/qscintilla.xml
===================================================================
--- lxqt/apps/qscintilla.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ lxqt/apps/qscintilla.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -42,5 +42,5 @@
     </para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -84,6 +84,5 @@
     <para role="required">
       <xref linkend="chrpath"/> and
-      <xref linkend="qt5"/> (recommended) or
-      <xref linkend="qt4"/>
+      <xref linkend="qt5"/>
     </para>
 
@@ -103,10 +102,4 @@
   <sect2 role="installation">
     <title>Installation of QScintilla</title>
-
-    <para>
-      If <application>Qt4</application> and <application>Qt5</application> are
-      installed, choose which one you prefer, by running <command>source
-      setqt4</command> or <command>source setqt5</command>, respectivelly.
-    </para>
 
     <note>
@@ -150,10 +143,4 @@
                     $QT5DIR/share/doc/QScintilla-&qscintilla-version;/html</userinput></screen>
 
-    <para>
-       When building with
-       <application>Qt4</application>, replace <envar>QT5DIR</envar> with
-       <envar>QT4DIR</envar>.
-    </para>
-
   </sect2>
   <sect2 role="commands">
@@ -180,10 +167,8 @@
         </seg>
         <seg>
-          $QT5DIR/lib/libqt5scintilla2.so or $QT4DIR/lib/libqtscintilla2.so
+          $QT5DIR/lib/libqt5scintilla2.so 
         </seg>
         <seg>
           $QT5DIR/{include/Qsci,qsci,share/doc/QScintilla-&qscintilla-version;}/html
-          or
-          $QT4DIR/{include/Qsci,qsci,share/doc/QScintilla-&qscintilla-version;}/html
         </seg>
       </seglistitem>
Index: lxqt/apps/qtermwidget.xml
===================================================================
--- lxqt/apps/qtermwidget.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ lxqt/apps/qtermwidget.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -35,5 +35,5 @@
     </para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -75,7 +75,6 @@
     <bridgehead renderas="sect4">Required</bridgehead>
     <para role="required">
-      <xref linkend="cmake"/> and
-      <xref linkend="qt5"/> or
-      <xref linkend="qt4"/>
+      <xref linkend="cmake"/>, and
+      <xref linkend="qt5"/>
 
     </para>
@@ -90,13 +89,6 @@
 
     <para>
-      If you have <application>Qt4</application> and
-      <application>Qt5</application> installed, run <command>source
-      setqt4</command> or <command>source setqt5</command>, respectively, in
-      order to link <application>qtermwidget</application> to the one of your
-      choice. Following instructions are for <application>Qt5</application>
-      linking. For compilation with <application>Qt4</application>, see
-      <quote>Command Explanations</quote>, below. Install
-      <application>qtermwidget</application> by running the following
-      commands:
+      Install <application>qtermwidget</application> by running the 
+      following commands:
     </para>
 
@@ -137,13 +129,10 @@
       <parameter>-DBUILD_DESIGNER_PLUGIN=0</parameter>: This switch is
       necessary, because building the Qt designer plugin is not supported for
-      <application>Qt5</application> yet. Toggle to 1 or remove, if you prefer
-      to use <application>Qt4</application>.
+      <application>Qt5</application> yet. 
     </para>
 
     <para>
       <parameter>-DUSE_QT5=true</parameter>: This switch is used in order to
-      build this application linked to <application>Qt5</application>. Toggle
-      to <quote>false</quote>, if you prefer to use
-      <application>Qt4</application>.
+      build this application linked to <application>Qt5</application>. 
     </para>
 
@@ -163,11 +152,8 @@
         </seg>
         <seg>
-          libqtermwidget5.so or
-          libqtermwidget4.so and
-          /usr/lib/qt4/plugins/designer/libqtermwidget4plugin.so
+          libqtermwidget5.so 
         </seg>
         <seg>
-          /usr/{include,share{/cmake,}}/qtermwidget5 or
-          /usr/{include,share{/cmake,}}/qtermwidget4
+          /usr/{include,share{/cmake,}}/qtermwidget5 
         </seg>
       </seglistitem>
@@ -190,17 +176,5 @@
         </listitem>
       </varlistentry>
-
-      <varlistentry id="libqtermwidget4-lib">
-        <term><filename class="libraryfile">libqtermwidget4.so</filename></term>
-        <listitem>
-          <para>
-            contains the <application>libqtermwidget4</application> API functions.
-          </para>
-          <indexterm zone="qtermwidget libqtermwidget4-lib">
-            <primary sortas="c-libqtermwidget4">libqtermwidget4.so</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
+<!--
       <varlistentry id="libqtermwidget4plugin-lib">
         <term><filename class="libraryfile">libqtermwidget4plugin.so</filename></term>
@@ -214,5 +188,5 @@
         </listitem>
       </varlistentry>
-
+-->
     </variablelist>
 
Index: multimedia/libdriv/gst10-plugins-base.xml
===================================================================
--- multimedia/libdriv/gst10-plugins-base.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ multimedia/libdriv/gst10-plugins-base.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -105,5 +105,5 @@
       <xref linkend="gtk3"/>,
       <xref linkend="gtk-doc"/>,
-      <xref linkend="qt4"/>,
+      <xref linkend="qt5"/>,
       <xref linkend="valgrind"/>,
       <ulink url="http://sourceforge.net/projects/libvisual/">libvisual</ulink>,
Index: multimedia/libdriv/v4l-utils.xml
===================================================================
--- multimedia/libdriv/v4l-utils.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ multimedia/libdriv/v4l-utils.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -36,5 +36,5 @@
     </para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -84,5 +84,4 @@
     <para role="optional">
       <xref linkend="alsa-lib"/> and
-      <xref linkend="qt4"/> or
       <xref linkend="qt5"/>
     </para>
@@ -100,14 +99,4 @@
   <sect2 role="installation">
     <title>Installation of v4l-utils</title>
-
-    <para>
-      If both Qt4 and Qt5 are installed, Qt5 will be used. If you choose to
-      build against Qt4, temporarily hide it from
-      <envar>PKG_CONFIG_PATH</envar>, issuing:
-    </para>
-
-<screen><userinput>SAVEPATH=$PKG_CONFIG_PATH &amp;&amp;
-PKG_CONFIG_PATH="\
-`echo $PKG_CONFIG_PATH | sed 's@:/opt/qt5/lib/pkgconfig@@'`"</userinput></screen>
 
     <para>
@@ -120,12 +109,4 @@
             --disable-static  &amp;&amp;
 make</userinput></screen>
-
-    <para>
-      Again, if both Qt4 and 5 are installed and you chose to build against Qt4,
-      restore <envar>PKG_CONFIG_PATH</envar>:
-    </para>
-
-<screen><userinput>PKG_CONFIG_PATH=$SAVEPATH &amp;&amp;
-unset SAVEPATH</userinput></screen>
 
     <para>
Index: networking/netprogs/wpa_supplicant.xml
===================================================================
--- networking/netprogs/wpa_supplicant.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ networking/netprogs/wpa_supplicant.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -41,5 +41,5 @@
     </para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -89,5 +89,5 @@
       <xref linkend="dbus"/>,
       <xref linkend="libxml2"/>, and
-      <xref linkend="qt4"/>
+      <xref linkend="qt5"/>
     </para>
 
@@ -190,8 +190,11 @@
 
     <para>
-      If you have installed <xref linkend="qt4"/> and wish to build
+      If you have installed <xref linkend="qt5"/> and wish to build
       the <application>WPA Supplicant</application> GUI program, run
       the following commands:
     </para>
+
+    <note><para>The following directory name is labelled qt4, but 
+    is compatible with <xref linkend="qt5"/>.</para></note>
 
 <screen><userinput>pushd wpa_gui-qt4 &amp;&amp;
Index: networking/netutils/wireshark.xml
===================================================================
--- networking/netutils/wireshark.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ networking/netutils/wireshark.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -44,5 +44,5 @@
     </para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -123,6 +123,5 @@
     </bridgehead>
     <para role="optional">
-      <xref linkend="gtk2"/>, or
-      <xref linkend="qt4"/>,
+      <xref linkend="gtk2"/>
     </para>
 
@@ -135,7 +134,5 @@
 
       <para>
-        The <application>Qt</application> GUI needs one of <xref linkend=
-        "qt4"/> or <xref linkend="qt5"/>. If both are installed, Qt5
-        is used by default.
+        The <application>Qt</application> GUI needs <xref linkend="qt5"/>. 
       </para>
 
@@ -273,6 +270,4 @@
     <para>
       <option>--with-qt=[yes/no/4/5]</option>: For the Qt GUI. Default is yes.
-      If both Qt4 and 5 are installed, Qt5 is chosen by default. Notice that the
-      GUI for only one Qt version (either 4 or 5) can be built.
     </para>
 
Index: xsoft/other/transmission.xml
===================================================================
--- xsoft/other/transmission.xml	(revision 67b1a0a10d9ca149c065556cc4710dcc545223f1)
+++ xsoft/other/transmission.xml	(revision eb3dbe3bec771663ff1b76e72a4a3b3bb5bd45fe)
@@ -37,5 +37,5 @@
     </para>
 
-    &lfs79_checked;
+    &lfs79_checked;&gcc6_checked;
 
     <bridgehead renderas="sect3">Package Information</bridgehead>
@@ -84,6 +84,5 @@
     <bridgehead renderas="sect4">Recommended (to build a GUI)</bridgehead>
     <para role="recommended">
-      <xref linkend="gtk3"/> and either
-      <xref linkend="qt4"/> or
+      <xref linkend="gtk3"/> and 
       <xref linkend="qt5"/>
     </para>
@@ -109,13 +108,4 @@
 <screen><userinput>./configure --prefix=/usr &amp;&amp;
 make</userinput></screen>
-
-    <para>
-       The following commands are used if you have installed Qt and would like
-       to compile the Qt GUI. If <application>Qt4</application> and
-       <application>Qt5</application> are installed in
-       <filename class="directory">/opt</filename>, use
-       <command>source setqt4</command> or <command>source setqt5</command> to
-       choose which one will be used to build the Qt GUI. 
-    </para>
 
     <para>
