This patch is taken from Debian and modified slightly

Description: Phoning-home version checks should be disabled in Debian packages
Author: Sandro Knauß <bugs@ssandroknauss.de>
Origin: debian
Bug-debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=721341
Forwarded: not-needed
Last-Update: 2014-02-17
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/src/libsync/configfile.cpp
+++ b/src/libsync/configfile.cpp
@@ -522,11 +522,14 @@ bool ConfigFile::skipUpdateCheck(const Q
     if (connection.isEmpty())
         con = defaultConnection();
 
-    QVariant fallback = getValue(QLatin1String(skipUpdateCheckC), con, false);
+    QVariant fallback = getValue(QLatin1String(skipUpdateCheckC), con, true);
     fallback = getValue(QLatin1String(skipUpdateCheckC), QString(), fallback);
 
     QVariant value = getPolicySetting(QLatin1String(skipUpdateCheckC), fallback);
-    return value.toBool();
+    if ( !value.toBool() )
+        qDebug() << "Guix has disabled the UpdateCheck mechanism.";
+
+    return true;
 }
 
 void ConfigFile::setSkipUpdateCheck(bool skip, const QString &connection)
--- a/src/gui/generalsettings.cpp
+++ b/src/gui/generalsettings.cpp
@@ -146,6 +149,7 @@ void GeneralSettings::loadMiscSettings()
 
 void GeneralSettings::slotUpdateInfo()
 {
+    /* Guix doesn't want an autoupdater
     if (ConfigFile().skipUpdateCheck() || !Updater::instance()) {
         // updater disabled on compile
         _ui->updaterWidget->setVisible(false);
@@ -174,6 +178,9 @@ void GeneralSettings::slotUpdateInfo()
     _ui->updateChannel->setCurrentIndex(ConfigFile().updateChannel() == "beta" ? 1 : 0);
     connect(_ui->updateChannel, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
         this, &GeneralSettings::slotUpdateChannelChanged, Qt::UniqueConnection);
+    */
+    //hide the update group box for Guix.
+    _ui->updaterWidget->setVisible(false);
 }
 
 void GeneralSettings::slotUpdateChannelChanged(int index)
EWS?id=3527f600b5ca290f1164a3018ef8f168e940127e'>NEWS</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/NEWS?id=3527f600b5ca290f1164a3018ef8f168e940127e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-08-30 15:22:30 +0200'>2018-08-30</span></td><td><a href='/guix/commit/NEWS?id=0f377aad75314df6c6296f4172801519315d81cd'>Update NEWS.</a></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-07-05 22:16:39 +0200'>2018-07-05</span></td><td><a href='/guix/commit/NEWS?id=359fdda40f754bbf1b5dc261e7427b75463b59be'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-05 17:19:09 +0200'>2018-07-05</span></td><td><a href='/guix/commit/NEWS?id=1400776f529317c6c3529a0fda2b728e48a621a2'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-20 23:47:08 +0200'>2018-06-20</span></td><td><a href='/guix/commit/NEWS?id=414ee4edc9e6fcadba366072a7ebabf3e3c6f26a'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-29 14:05:11 +0200'>2018-05-29</span></td><td><a href='/guix/commit/NEWS?id=55a433ebb0b2deb69141619d0a0b1e298a969c36'>Update NEWS.</a></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-05-20 21:42:32 +0300'>2018-05-20</span></td><td><a href='/guix/commit/NEWS?id=e9d271ed9a1fba86f372986a137b6110a41a1324'>services: Add Enlightenment desktop service.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2018-05-08 21:55:46 -0700'>2018-05-08</span></td><td><a href='/guix/commit/NEWS?id=ede121de426f9c56820852888a0b370f0ccbce49'>guix: Separate the package name and version with "@", not "-".</a><span class='msg-avail'>...</span></td><td>Chris Marusich</td></tr>