diff --git a/RELEASE-NOTES-1.37 b/RELEASE-NOTES-1.37
index 5f0b90841bc..947890390b3 100644
--- a/RELEASE-NOTES-1.37
+++ b/RELEASE-NOTES-1.37
@@ -306,6 +306,8 @@ because of Phabricator reports.
   runner. It had been broken for at least three years already. The original use
   case was speeding up tests on Oracle, but Oracle support was dropped several
   releases ago.
+* The MediaWikiPHPUnitTest__endTestHook and MediaWikiPHPUnitTest__startTestHook
+  PHPUnit hooks were removed. MediaWikiHooksPHPUnitExtension was also removed.
 * EntryPoint::getTextFormatters() was made private without a deprecation period;
   it had no known external callers.
 * DatabaseBlock::chooseBlock, deprecated since 1.35, was removed.
diff --git a/includes/Hook/MediaWikiPHPUnitTest__endTestHook.php b/includes/Hook/MediaWikiPHPUnitTest__endTestHook.php
deleted file mode 100644
index 8fd1e7ffb10..00000000000
--- a/includes/Hook/MediaWikiPHPUnitTest__endTestHook.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-namespace MediaWiki\Hook;
-
-// phpcs:disable Squiz.Classes.ValidClassName.NotCamelCaps
-use PHPUnit\Framework\Test;
-
-/**
- * This is a hook handler interface, see docs/Hooks.md.
- * Use the hook name "MediaWikiPHPUnitTest::endTest" to register handlers implementing this interface.
- *
- * @stable to implement
- * @ingroup Hooks
- */
-interface MediaWikiPHPUnitTest__endTestHook {
-	/**
-	 * This hook is called after each PHPUnit test completes.
-	 *
-	 * @since 1.35
-	 *
-	 * @param Test $test
-	 * @param int $time Execution time in seconds
-	 * @return bool|void True or no return value to continue or false to abort
-	 */
-	public function onMediaWikiPHPUnitTest__endTest( $test, $time );
-}
diff --git a/includes/Hook/MediaWikiPHPUnitTest__startTestHook.php b/includes/Hook/MediaWikiPHPUnitTest__startTestHook.php
deleted file mode 100644
index 5a142ed1f50..00000000000
--- a/includes/Hook/MediaWikiPHPUnitTest__startTestHook.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace MediaWiki\Hook;
-
-// phpcs:disable Squiz.Classes.ValidClassName.NotCamelCaps
-use PHPUnit\Framework\Test;
-
-/**
- * This is a hook handler interface, see docs/Hooks.md.
- * Use the hook name "MediaWikiPHPUnitTest::startTest" to register handlers implementing this interface.
- *
- * @stable to implement
- * @ingroup Hooks
- */
-interface MediaWikiPHPUnitTest__startTestHook {
-	/**
-	 * This hook is called before each PHPUnit test starts.
-	 *
-	 * @since 1.35
-	 *
-	 * @param Test $test
-	 * @return bool|void True or no return value to continue or false to abort
-	 */
-	public function onMediaWikiPHPUnitTest__startTest( $test );
-}
diff --git a/includes/HookContainer/HookRunner.php b/includes/HookContainer/HookRunner.php
index 5021c47ed23..99d93974602 100644
--- a/includes/HookContainer/HookRunner.php
+++ b/includes/HookContainer/HookRunner.php
@@ -244,8 +244,6 @@ class HookRunner implements
 	\MediaWiki\Hook\MarkPatrolledCompleteHook,
 	\MediaWiki\Hook\MarkPatrolledHook,
 	\MediaWiki\Hook\MediaWikiPerformActionHook,
-	\MediaWiki\Hook\MediaWikiPHPUnitTest__endTestHook,
-	\MediaWiki\Hook\MediaWikiPHPUnitTest__startTestHook,
 	\MediaWiki\Hook\MediaWikiServicesHook,
 	\MediaWiki\Hook\MimeMagicGuessFromContentHook,
 	\MediaWiki\Hook\MimeMagicImproveFromExtensionHook,
@@ -2505,20 +2503,6 @@ class HookRunner implements
 		);
 	}
 
-	public function onMediaWikiPHPUnitTest__endTest( $test, $time ) {
-		return $this->container->run(
-			'MediaWikiPHPUnitTest::endTest',
-			[ $test, $time ]
-		);
-	}
-
-	public function onMediaWikiPHPUnitTest__startTest( $test ) {
-		return $this->container->run(
-			'MediaWikiPHPUnitTest::startTest',
-			[ $test ]
-		);
-	}
-
 	public function onMediaWikiServices( $services ) {
 		return $this->container->run(
 			'MediaWikiServices',
diff --git a/tests/common/TestsAutoLoader.php b/tests/common/TestsAutoLoader.php
index eb6eb9d32fe..aa0358bed2b 100644
--- a/tests/common/TestsAutoLoader.php
+++ b/tests/common/TestsAutoLoader.php
@@ -59,7 +59,6 @@ $wgAutoloadClasses += [
 	'MediaWikiCliOptions' => "$testDir/phpunit/MediaWikiCliOptions.php",
 	'MediaWikiCoversValidator' => "$testDir/phpunit/MediaWikiCoversValidator.php",
 	'MediaWikiGroupValidator' => "$testDir/phpunit/MediaWikiGroupValidator.php",
-	'MediaWikiHooksPHPUnitExtension' => "$testDir/phpunit/MediaWikiHooksPHPUnitExtension.php",
 	'MediaWikiLangTestCase' => "$testDir/phpunit/MediaWikiLangTestCase.php",
 	'MediaWikiLoggerPHPUnitExtension' => "$testDir/phpunit/MediaWikiLoggerPHPUnitExtension.php",
 	'MediaWikiPHPUnitCommand' => "$testDir/phpunit/MediaWikiPHPUnitCommand.php",
diff --git a/tests/phpunit/MediaWikiHooksPHPUnitExtension.php b/tests/phpunit/MediaWikiHooksPHPUnitExtension.php
deleted file mode 100644
index e3f99915d75..00000000000
--- a/tests/phpunit/MediaWikiHooksPHPUnitExtension.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-use PHPUnit\Runner\AfterTestHook;
-use PHPUnit\Runner\BeforeTestHook;
-
-/**
- * Runs a hook whenever a test starts or ends
- */
-class MediaWikiHooksPHPUnitExtension implements BeforeTestHook, AfterTestHook {
-	/** @inheritDoc */
-	public function executeBeforeTest( string $test ): void {
-		Hooks::runner()->onMediaWikiPHPUnitTest__startTest( $test );
-	}
-
-	/** @inheritDoc */
-	public function executeAfterTest( string $test, float $time ): void {
-		Hooks::runner()->onMediaWikiPHPUnitTest__endTest( $test, $time );
-	}
-
-}
diff --git a/tests/phpunit/suite.xml b/tests/phpunit/suite.xml
index cc117d1341d..e599278237d 100644
--- a/tests/phpunit/suite.xml
+++ b/tests/phpunit/suite.xml
@@ -90,6 +90,5 @@
 	</listeners>
 	<extensions>
 		<extension class="MediaWikiLoggerPHPUnitExtension" />
-		<extension class="MediaWikiHooksPHPUnitExtension" />
 	</extensions>
 </phpunit>