diff --git a/tests/phpunit/CRM/Batch/Form/EntryTest.php b/tests/phpunit/CRM/Batch/Form/EntryTest.php
index d8d6fda2ca7d..67a04ddb1267 100644
--- a/tests/phpunit/CRM/Batch/Form/EntryTest.php
+++ b/tests/phpunit/CRM/Batch/Form/EntryTest.php
@@ -151,8 +151,6 @@ public function setUp(): void {
 
     $session = CRM_Core_Session::singleton();
     $session->set('dateTypes', 1);
-    $this->_sethtmlGlobals();
-
   }
 
   /**
diff --git a/tests/phpunit/CRM/Case/BAO/CaseTest.php b/tests/phpunit/CRM/Case/BAO/CaseTest.php
index e9d200d719bf..066788415cb3 100644
--- a/tests/phpunit/CRM/Case/BAO/CaseTest.php
+++ b/tests/phpunit/CRM/Case/BAO/CaseTest.php
@@ -389,12 +389,6 @@ public function testGetRelatedCases() {
 
   /**
    * Test various things after a case is closed.
-   *
-   * This annotation is not ideal, but without it there is some kind of
-   * messup that happens to quickform that persists between tests, e.g.
-   * it can't add maxfilesize validation rules.
-   * @runInSeparateProcess
-   * @preserveGlobalState disabled
    */
   public function testCaseClosure() {
     $loggedInUser = $this->createLoggedInUser();
diff --git a/tests/phpunit/CRM/Contact/Form/Task/EmailTest.php b/tests/phpunit/CRM/Contact/Form/Task/EmailTest.php
index e7f05091f320..1f7d581e3df6 100644
--- a/tests/phpunit/CRM/Contact/Form/Task/EmailTest.php
+++ b/tests/phpunit/CRM/Contact/Form/Task/EmailTest.php
@@ -104,11 +104,6 @@ public function testPostProcessWithSignature(): void {
 
     $form->_allContactIds = $form->_toContactIds = $form->_contactIds;
     $form->_fromEmails = [$loggedInEmail['id'] => 'mickey@mouse.com'];
-    // This rule somehow disappears if there's a form-related test before us,
-    // so register it again. See packages/HTML/QuickForm/file.php.
-    // update - actually - it's never registered. Even in form made
-    // I can see it missing - It's really weird.
-    $form->registerRule('maxfilesize', 'callback', '_ruleCheckMaxFileSize', 'HTML_QuickForm_file');
     $form->isSearchContext = FALSE;
     $form->buildForm();
     $form->submit(array_merge($form->_defaultValues, [
diff --git a/tests/phpunit/CRM/Core/DAOConformanceTest.php b/tests/phpunit/CRM/Core/DAOConformanceTest.php
index faaa32ab6319..a89af22d8931 100644
--- a/tests/phpunit/CRM/Core/DAOConformanceTest.php
+++ b/tests/phpunit/CRM/Core/DAOConformanceTest.php
@@ -3,36 +3,21 @@
 /**
  * Class for testing new DAO meet required standards.
  *
- * Class CRM_Core_DAOTest
  * @group headless
  */
 class CRM_Core_DAOConformanceTest extends CiviUnitTestCase {
 
   /**
    * Check all fields have defined titles.
-   *
-   * @dataProvider getAllDAO
    */
-  public function testFieldsHaveTitles($class) {
-    $dao = new $class();
-    $fields = $dao->fields();
-    foreach ($fields as $name => $field) {
-      $this->assertArrayHasKey('title', $field, "A title must be defined for $name in $class");
+  public function testFieldsHaveTitles() {
+    foreach (CRM_Core_DAO_AllCoreTables::getClasses() as $class) {
+      $dao = new $class();
+      $fields = $dao->fields();
+      foreach ($fields as $name => $field) {
+        $this->assertArrayHasKey('title', $field, "A title must be defined for $name in $class");
+      }
     }
   }
 
-  /**
-   * Get all DAO classes.
-   */
-  public function getAllDAO() {
-    // Ugh. Need full bootstrap to enumerate classes.
-    $this->setUp();
-    $classList = CRM_Core_DAO_AllCoreTables::getClasses();
-    $return = [];
-    foreach ($classList as $class) {
-      $return[] = [$class];
-    }
-    return $return;
-  }
-
 }
diff --git a/tests/phpunit/CRM/Core/FormTest.php b/tests/phpunit/CRM/Core/FormTest.php
index 2f6d3f4599fc..8a89938ba752 100644
--- a/tests/phpunit/CRM/Core/FormTest.php
+++ b/tests/phpunit/CRM/Core/FormTest.php
@@ -28,10 +28,6 @@ public function testOpeningForms(string $url) {
       $_REQUEST[$param] = $value;
     }
 
-    require_once 'HTML/QuickForm.php';
-    $form = new HTML_QuickForm();
-    $form->registerRule('maxfilesize', 'callback', '_ruleCheckMaxFileSize', 'HTML_QuickForm_file');
-
     $item = CRM_Core_Invoke::getItem([$_GET['q']]);
     ob_start();
     CRM_Core_Invoke::runItem($item);
diff --git a/tests/phpunit/CRM/Core/I18n/LocaleTest.php b/tests/phpunit/CRM/Core/I18n/LocaleTest.php
index eff8a8ae96a8..c0735b850c77 100644
--- a/tests/phpunit/CRM/Core/I18n/LocaleTest.php
+++ b/tests/phpunit/CRM/Core/I18n/LocaleTest.php
@@ -101,10 +101,6 @@ public function testUiLanguages() {
 
   /**
    * Quirk in strtolower does not handle "I" as expected, compared to mb_strtolower.
-   * I think setting locale messes up something that I don't know how to reset,
-   * so see if these help:
-   * @runInSeparateProcess
-   * @preserveGlobalState disabled
    */
   public function testInsertTurkish() {
     CRM_Core_DAO::executeQuery("DROP TABLE IF EXISTS foo");
diff --git a/tests/phpunit/CiviTest/CiviUnitTestCase.php b/tests/phpunit/CiviTest/CiviUnitTestCase.php
index 8c3dbc2982e1..c3adf7364473 100644
--- a/tests/phpunit/CiviTest/CiviUnitTestCase.php
+++ b/tests/phpunit/CiviTest/CiviUnitTestCase.php
@@ -405,7 +405,6 @@ protected function setUp(): void {
     error_reporting(E_ALL);
 
     $this->renameLabels();
-    $this->_sethtmlGlobals();
     $this->ensureMySQLMode(['IGNORE_SPACE', 'ERROR_FOR_DIVISION_BY_ZERO', 'STRICT_TRANS_TABLES']);
   }
 
@@ -2248,178 +2247,6 @@ public function financialAccountDelete($name) {
     }
   }
 
-  /**
-   * FIXME: something NULLs $GLOBALS['_HTML_QuickForm_registered_rules'] when the tests are ran all together
-   * (NB unclear if this is still required)
-   */
-  public function _sethtmlGlobals() {
-    $GLOBALS['_HTML_QuickForm_registered_rules'] = [
-      'required' => [
-        'html_quickform_rule_required',
-        'HTML/QuickForm/Rule/Required.php',
-      ],
-      'maxlength' => [
-        'html_quickform_rule_range',
-        'HTML/QuickForm/Rule/Range.php',
-      ],
-      'minlength' => [
-        'html_quickform_rule_range',
-        'HTML/QuickForm/Rule/Range.php',
-      ],
-      'rangelength' => [
-        'html_quickform_rule_range',
-        'HTML/QuickForm/Rule/Range.php',
-      ],
-      'email' => [
-        'html_quickform_rule_email',
-        'HTML/QuickForm/Rule/Email.php',
-      ],
-      'regex' => [
-        'html_quickform_rule_regex',
-        'HTML/QuickForm/Rule/Regex.php',
-      ],
-      'lettersonly' => [
-        'html_quickform_rule_regex',
-        'HTML/QuickForm/Rule/Regex.php',
-      ],
-      'alphanumeric' => [
-        'html_quickform_rule_regex',
-        'HTML/QuickForm/Rule/Regex.php',
-      ],
-      'numeric' => [
-        'html_quickform_rule_regex',
-        'HTML/QuickForm/Rule/Regex.php',
-      ],
-      'nopunctuation' => [
-        'html_quickform_rule_regex',
-        'HTML/QuickForm/Rule/Regex.php',
-      ],
-      'nonzero' => [
-        'html_quickform_rule_regex',
-        'HTML/QuickForm/Rule/Regex.php',
-      ],
-      'callback' => [
-        'html_quickform_rule_callback',
-        'HTML/QuickForm/Rule/Callback.php',
-      ],
-      'compare' => [
-        'html_quickform_rule_compare',
-        'HTML/QuickForm/Rule/Compare.php',
-      ],
-    ];
-    // FIXME: …ditto for $GLOBALS['HTML_QUICKFORM_ELEMENT_TYPES']
-    $GLOBALS['HTML_QUICKFORM_ELEMENT_TYPES'] = [
-      'group' => [
-        'HTML/QuickForm/group.php',
-        'HTML_QuickForm_group',
-      ],
-      'hidden' => [
-        'HTML/QuickForm/hidden.php',
-        'HTML_QuickForm_hidden',
-      ],
-      'reset' => [
-        'HTML/QuickForm/reset.php',
-        'HTML_QuickForm_reset',
-      ],
-      'checkbox' => [
-        'HTML/QuickForm/checkbox.php',
-        'HTML_QuickForm_checkbox',
-      ],
-      'file' => [
-        'HTML/QuickForm/file.php',
-        'HTML_QuickForm_file',
-      ],
-      'image' => [
-        'HTML/QuickForm/image.php',
-        'HTML_QuickForm_image',
-      ],
-      'password' => [
-        'HTML/QuickForm/password.php',
-        'HTML_QuickForm_password',
-      ],
-      'radio' => [
-        'HTML/QuickForm/radio.php',
-        'HTML_QuickForm_radio',
-      ],
-      'button' => [
-        'HTML/QuickForm/button.php',
-        'HTML_QuickForm_button',
-      ],
-      'submit' => [
-        'HTML/QuickForm/submit.php',
-        'HTML_QuickForm_submit',
-      ],
-      'select' => [
-        'HTML/QuickForm/select.php',
-        'HTML_QuickForm_select',
-      ],
-      'hiddenselect' => [
-        'HTML/QuickForm/hiddenselect.php',
-        'HTML_QuickForm_hiddenselect',
-      ],
-      'text' => [
-        'HTML/QuickForm/text.php',
-        'HTML_QuickForm_text',
-      ],
-      'textarea' => [
-        'HTML/QuickForm/textarea.php',
-        'HTML_QuickForm_textarea',
-      ],
-      'fckeditor' => [
-        'HTML/QuickForm/fckeditor.php',
-        'HTML_QuickForm_FCKEditor',
-      ],
-      'tinymce' => [
-        'HTML/QuickForm/tinymce.php',
-        'HTML_QuickForm_TinyMCE',
-      ],
-      'dojoeditor' => [
-        'HTML/QuickForm/dojoeditor.php',
-        'HTML_QuickForm_dojoeditor',
-      ],
-      'link' => [
-        'HTML/QuickForm/link.php',
-        'HTML_QuickForm_link',
-      ],
-      'advcheckbox' => [
-        'HTML/QuickForm/advcheckbox.php',
-        'HTML_QuickForm_advcheckbox',
-      ],
-      'date' => [
-        'HTML/QuickForm/date.php',
-        'HTML_QuickForm_date',
-      ],
-      'static' => [
-        'HTML/QuickForm/static.php',
-        'HTML_QuickForm_static',
-      ],
-      'header' => [
-        'HTML/QuickForm/header.php',
-        'HTML_QuickForm_header',
-      ],
-      'html' => [
-        'HTML/QuickForm/html.php',
-        'HTML_QuickForm_html',
-      ],
-      'hierselect' => [
-        'HTML/QuickForm/hierselect.php',
-        'HTML_QuickForm_hierselect',
-      ],
-      'autocomplete' => [
-        'HTML/QuickForm/autocomplete.php',
-        'HTML_QuickForm_autocomplete',
-      ],
-      'xbutton' => [
-        'HTML/QuickForm/xbutton.php',
-        'HTML_QuickForm_xbutton',
-      ],
-      'advmultiselect' => [
-        'HTML/QuickForm/advmultiselect.php',
-        'HTML_QuickForm_advmultiselect',
-      ],
-    ];
-  }
-
   /**
    * Set up an acl allowing contact to see 2 specified groups
    *  - $this->_permissionedGroup & $this->_permissionedDisabledGroup