diff --git a/src/Extensions/SiteTreeSubsites.php b/src/Extensions/SiteTreeSubsites.php
index 324ce73..15f50ae 100644
--- a/src/Extensions/SiteTreeSubsites.php
+++ b/src/Extensions/SiteTreeSubsites.php
@@ -245,6 +245,7 @@ class SiteTreeSubsites extends DataExtension
      */
     public function duplicateToSubsite($subsiteID = null, $includeChildren = false)
     {
+        /** @var SiteTree|SiteTreeSubsites */
         $clone = $this->owner->duplicateToSubsitePrep($subsiteID, $includeChildren);
         $clone->invokeWithExtensions('onBeforeDuplicateToSubsite', $this->owner);
 
@@ -267,12 +268,13 @@ class SiteTreeSubsites extends DataExtension
      * It may be that some relations are not diostinct to sub site so can stay
      * whereas others may need to be duplicated
      *
-     * @deprecated 2.2.0 Use the "cascade_duplicates" config API instead
+     * This was originally deprecated - Use the "cascade_duplicates" config API instead
+     * Ideally this would be re-deprecated
+     *
      * @param SiteTree $originalPage
      */
     public function duplicateSubsiteRelations($originalPage)
     {
-        Deprecation::notice('2.2.0', 'Use the "cascade_duplicates" config API instead');
         $thisClass = $originalPage->ClassName;
         $relations = Config::inst()->get($thisClass, 'duplicate_to_subsite_relations');
 
diff --git a/src/Model/Subsite.php b/src/Model/Subsite.php
index fb819fc..25ec620 100644
--- a/src/Model/Subsite.php
+++ b/src/Model/Subsite.php
@@ -448,7 +448,7 @@ class Subsite extends DataObject
 
         // Rationalise member arguments
         if (!$member) {
-            $member = Member::currentUser();
+            $member = Security::getCurrentUser();
         }
         if (!$member) {
             return new ArrayList();
diff --git a/tests/php/LeftAndMainSubsitesTest.php b/tests/php/LeftAndMainSubsitesTest.php
index ea60db5..c54a20e 100644
--- a/tests/php/LeftAndMainSubsitesTest.php
+++ b/tests/php/LeftAndMainSubsitesTest.php
@@ -38,19 +38,19 @@ class LeftAndMainSubsitesTest extends FunctionalTest
 
         $cmsmain = singleton(CMSMain::class);
         $subsites = $cmsmain->sectionSites(true, 'Main site', $member);
-        $this->assertDOSEquals([
+        $this->assertListEquals([
             ['Title' => 'Subsite1 Template']
         ], $subsites, 'Lists member-accessible sites for the accessible controller.');
 
         $assetadmin = singleton(AssetAdmin::class);
         $subsites = $assetadmin->sectionSites(true, 'Main site', $member);
-        $this->assertDOSEquals([], $subsites, 'Does not list any sites for forbidden controller.');
+        $this->assertListEquals([], $subsites, 'Does not list any sites for forbidden controller.');
 
         $member = $this->objFromFixture(Member::class, 'editor');
 
         $cmsmain = singleton(CMSMain::class);
         $subsites = $cmsmain->sectionSites(true, 'Main site', $member);
-        $this->assertDOSContains([
+        $this->assertListContains([
             ['Title' => 'Main site']
         ], $subsites, 'Includes the main site for members who can access all sites.');
     }
diff --git a/tests/php/SubsiteTest.php b/tests/php/SubsiteTest.php
index d75650d..bcd5085 100644
--- a/tests/php/SubsiteTest.php
+++ b/tests/php/SubsiteTest.php
@@ -350,7 +350,7 @@ class SubsiteTest extends BaseSubsiteTest
     public function testAllSites()
     {
         $subsites = Subsite::all_sites();
-        $this->assertDOSEquals([
+        $this->assertListEquals([
             ['Title' => 'Main site'],
             ['Title' => 'Template'],
             ['Title' => 'Subsite1 Template'],
@@ -370,7 +370,7 @@ class SubsiteTest extends BaseSubsiteTest
         $member = $this->objFromFixture(Member::class, 'subsite1member');
 
         $subsites = Subsite::all_accessible_sites(true, 'Main site', $member);
-        $this->assertDOSEquals([
+        $this->assertListEquals([
             ['Title' => 'Subsite1 Template']
         ], $subsites, 'Lists member-accessible sites.');
     }
@@ -471,7 +471,7 @@ class SubsiteTest extends BaseSubsiteTest
         $page1 = new Page();
         $page1->Title = 'MyAwesomePage';
         $page1->write();
-        $page1->doPublish();
+        $page1->publishRecursive();
         $this->assertEquals($page1->SubsiteID, $subsite1->ID);
 
         // duplicate
@@ -481,7 +481,7 @@ class SubsiteTest extends BaseSubsiteTest
         $page2 = DataObject::get_one('Page', "\"Title\" = 'MyAwesomePage'");
         $page2->Title = 'MyNewAwesomePage';
         $page2->write();
-        $page2->doPublish();
+        $page2->publishRecursive();
 
         // check change & check change has not affected subiste1
         $subsite1->activate();