diff --git a/UpdateManager/UpdateManager.py b/UpdateManager.py
index 3b9eaa58..d44040d5 100644
--- a/UpdateManager/UpdateManager.py
+++ b/UpdateManager.py
@@ -25,7 +25,6 @@ from gi.repository import Gdk, GdkX11
 from gi.repository import Gio
 from gi.repository import GLib
 from gi.repository import GObject
-import uaclient.api.u.pro.packages.updates.v1 as ua
 
 GdkX11  # pyflakes
 
@@ -40,7 +40,6 @@ import os
 import subprocess
 import sys
 import time
-import threading
 from gettext import gettext as _
 
 import dbus
@@ -90,7 +88,6 @@ class UpdateManager(Gtk.Window):
         self.unity = UnitySupport()
         self.controller = None
         self.cache = None
-        self.ua_security_packages = []
         self.update_list = None
         self.meta_release = None
         self.hwe_replacement_packages = None
@@ -286,43 +286,6 @@ class UpdateManager(Gtk.Window):
                and pkg.installed:
                 self.oem_metapackages.add(pkg)
 
-    def _fetch_ua_updates(self):
-        try:
-            self.ua_updates = ua.updates().updates
-        except Exception as e:
-            print("Error running updates end-point: ", e)
-            self.ua_updates = []
-
-    def _get_ua_security_status(self):
-        self.ua_security_packages = []
-        self.ua_updates = []
-        t = threading.Thread(target=self._fetch_ua_updates, daemon=True)
-        t.start()
-        while t.is_alive():
-            while Gtk.events_pending():
-                Gtk.main_iteration()
-            time.sleep(0.05)
-        for package in self.ua_updates:
-            if (
-                package.provided_by == 'standard-security'
-                or package.provided_by == 'standard-updates'
-            ):
-                continue
-            status = package.status
-            if (
-                status == 'pending_attach'
-                or status == 'pending_enable'
-                or status == 'upgrade_available'
-            ):
-                name = package.package
-                version = package.version
-                size = package.download_size
-                downloadable = status == 'upgrade_available'
-                self.ua_security_packages.append(
-                    (name, version, size, downloadable)
-                )
-        self.cache.create_pro_cache(self.ua_security_packages)
-
     def _make_available_pane(self, install_count, need_reboot=False,
                              cancelled_update=False, error_occurred=False):
         self._check_hwe_support_status()
@@ -495,8 +460,6 @@ class UpdateManager(Gtk.Window):
 
         self._check_oem_metapackages()
 
-        self._get_ua_security_status()
-
         for pkgname in self.oem_metapackages:
             try:
                 if not self.cache[pkgname].is_installed:
@@ -488,9 +451,7 @@ class UpdateManager(Gtk.Window):
         self.update_list = UpdateList(self)
         try:
             self.update_list.update(self.cache, eventloop_callback=iterate,
-                                    duplicate_packages=self.duplicate_packages,
-                                    ua_security_packages=self.
-                                    ua_security_packages)
+                                    duplicate_packages=self.duplicate_packages)
         except SystemError as e:
             header = _("Could not calculate the upgrade")
             desc = _("An unresolvable problem occurred while "
diff --git a/UpdateManager/Core/MyCache.py b/UpdateManager/Core/MyCache.py
index fc227822..89f4a774 100644
--- a/UpdateManager/Core/MyCache.py
+++ b/UpdateManager/Core/MyCache.py
@@ -424,48 +424,3 @@ class MyCache(DistUpgrade.DistUpgradeCache.MyCache):
                         "Failed to download the list of changes. \n"
                         "Please check your Internet connection.")
         self.all_changes[name] += error_message
-
-    # If the machine is not attached to Ubuntu Pro, Update Manager advertises
-    # the upgrades that would be available if it were attached.
-    # As that is unbeknownst to Apt, we need this map to show the correct
-    # version of each upgradable-if-pro-subscribed package.
-    def create_pro_cache(self, pro_pkgs):
-        for (name, version, _a, _a) in pro_pkgs:
-            self.pro_versions[name] = version
-
-    def get_changelog(self, name):
-        " get the changelog file from the changelog location "
-        origins = self[name].candidate.origins
-        version = self.pro_versions.get(name, self[name].candidate.version)
-        self.all_changes[name] = _("Changes for %s versions:\n"
-                                   "Installed version: %s\n"
-                                   "Available version: %s\n\n") % \
-            (name, getattr(self[name].installed, "version", None), version)
-        if self.CHANGELOG_ORIGIN not in [o.origin for o in origins]:
-            self._fetch_changelog_for_third_party_package(name, origins)
-            return
-        # fixup epoch handling version
-        srcpkg = self[name].candidate.source_name
-        srcver_epoch = self[name].candidate.source_version.replace(':', '%3A')
-        try:
-            changelog = self._get_changelog_or_news(name, "changelog")
-            if len(changelog) == 0:
-                changelog = _("The changelog does not contain any relevant "
-                              "changes.\n\n"
-                              "Please use http://launchpad.net/ubuntu/+source/"
-                              "%s/%s/+changelog\n"
-                              "until the changes become available or try "
-                              "again later.") % (srcpkg, srcver_epoch)
-        except HTTPError:
-            changelog = _("The list of changes is not available yet.\n\n"
-                          "Please use http://launchpad.net/ubuntu/+source/"
-                          "%s/%s/+changelog\n"
-                          "until the changes become available or try again "
-                          "later.") % (srcpkg, srcver_epoch)
-        except (IOError, BadStatusLine, socket.error) as e:
-            print("caught exception: ", e)
-            changelog = _("Failed to download the list "
-                          "of changes. \nPlease "
-                          "check your Internet "
-                          "connection.")
-        self.all_changes[name] += changelog