diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 5a390eaf443aa084d2ec4244e98af28a58e8302b..fb699e35a61e61585d722a607456e6c5677755b2 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -203,7 +203,6 @@ return array(
     'OCP\\IEventSource' => $baseDir . '/lib/public/IEventSource.php',
     'OCP\\IGroup' => $baseDir . '/lib/public/IGroup.php',
     'OCP\\IGroupManager' => $baseDir . '/lib/public/IGroupManager.php',
-    'OCP\\IHelper' => $baseDir . '/lib/public/IHelper.php',
     'OCP\\IImage' => $baseDir . '/lib/public/IImage.php',
     'OCP\\IL10N' => $baseDir . '/lib/public/IL10N.php',
     'OCP\\ILogger' => $baseDir . '/lib/public/ILogger.php',
@@ -349,7 +348,6 @@ return array(
     'OC\\AppFramework\\Utility\\ControllerMethodReflector' => $baseDir . '/lib/private/AppFramework/Utility/ControllerMethodReflector.php',
     'OC\\AppFramework\\Utility\\SimpleContainer' => $baseDir . '/lib/private/AppFramework/Utility/SimpleContainer.php',
     'OC\\AppFramework\\Utility\\TimeFactory' => $baseDir . '/lib/private/AppFramework/Utility/TimeFactory.php',
-    'OC\\AppHelper' => $baseDir . '/lib/private/AppHelper.php',
     'OC\\App\\AppManager' => $baseDir . '/lib/private/App/AppManager.php',
     'OC\\App\\AppStore\\Bundles\\Bundle' => $baseDir . '/lib/private/App/AppStore/Bundles/Bundle.php',
     'OC\\App\\AppStore\\Bundles\\BundleFetcher' => $baseDir . '/lib/private/App/AppStore/Bundles/BundleFetcher.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 8e9749f2683c675fa8cee51cca0d8487e379e182..40b9c6237f0bfed2de9d94efcfe303138c782f5a 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -233,7 +233,6 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\IEventSource' => __DIR__ . '/../../..' . '/lib/public/IEventSource.php',
         'OCP\\IGroup' => __DIR__ . '/../../..' . '/lib/public/IGroup.php',
         'OCP\\IGroupManager' => __DIR__ . '/../../..' . '/lib/public/IGroupManager.php',
-        'OCP\\IHelper' => __DIR__ . '/../../..' . '/lib/public/IHelper.php',
         'OCP\\IImage' => __DIR__ . '/../../..' . '/lib/public/IImage.php',
         'OCP\\IL10N' => __DIR__ . '/../../..' . '/lib/public/IL10N.php',
         'OCP\\ILogger' => __DIR__ . '/../../..' . '/lib/public/ILogger.php',
@@ -379,7 +378,6 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\AppFramework\\Utility\\ControllerMethodReflector' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/ControllerMethodReflector.php',
         'OC\\AppFramework\\Utility\\SimpleContainer' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/SimpleContainer.php',
         'OC\\AppFramework\\Utility\\TimeFactory' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/TimeFactory.php',
-        'OC\\AppHelper' => __DIR__ . '/../../..' . '/lib/private/AppHelper.php',
         'OC\\App\\AppManager' => __DIR__ . '/../../..' . '/lib/private/App/AppManager.php',
         'OC\\App\\AppStore\\Bundles\\Bundle' => __DIR__ . '/../../..' . '/lib/private/App/AppStore/Bundles/Bundle.php',
         'OC\\App\\AppStore\\Bundles\\BundleFetcher' => __DIR__ . '/../../..' . '/lib/private/App/AppStore/Bundles/BundleFetcher.php',
diff --git a/lib/private/App/CodeChecker/DeprecationCheck.php b/lib/private/App/CodeChecker/DeprecationCheck.php
index 722697f33137dcbacd7bbe773a7c7ebebf6a5df1..3e843e4f91a40d44968c0965f9b622f1ee7fd23c 100644
--- a/lib/private/App/CodeChecker/DeprecationCheck.php
+++ b/lib/private/App/CodeChecker/DeprecationCheck.php
@@ -40,7 +40,6 @@ class DeprecationCheck extends AbstractCheck {
 
 			'OCP\Contacts' => '8.1.0',
 			'OCP\DB' => '8.1.0',
-			'OCP\IHelper' => '8.1.0',
 			'OCP\JSON' => '8.1.0',
 			'OCP\Response' => '8.1.0',
 			'OCP\AppFramework\IApi' => '8.0.0',
diff --git a/lib/private/AppHelper.php b/lib/private/AppHelper.php
deleted file mode 100644
index c99cf4a8304b0b12402b15aa6f260382a71747ce..0000000000000000000000000000000000000000
--- a/lib/private/AppHelper.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
- */
-
-namespace OC;
-
-/**
- * Class AppHelper
- * @deprecated 8.1.0
- */
-class AppHelper implements \OCP\IHelper {
-	/**
-	 * Gets the content of an URL by using CURL or a fallback if it is not
-	 * installed
-	 * @param string $url the url that should be fetched
-	 * @return string the content of the webpage
-	 * @deprecated 8.1.0 Use \OCP\IServerContainer::getHTTPClientService
-	 */
-	public function getUrlContent($url) {
-		try {
-			$client = \OC::$server->getHTTPClientService()->newClient();
-			$response = $client->get($url);
-			return $response->getBody();
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-}
diff --git a/lib/private/Server.php b/lib/private/Server.php
index e0bd21b0358624b78cdec5e718f01b465a920c6c..af739c91b02046799dfb719d4f09b244aa6ddfc4 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -470,9 +470,6 @@ class Server extends ServerContainer implements IServerContainer {
 		});
 		$this->registerAlias('URLGenerator', \OCP\IURLGenerator::class);
 
-		$this->registerService('AppHelper', function ($c) {
-			return new \OC\AppHelper();
-		});
 		$this->registerAlias('AppFetcher', AppFetcher::class);
 		$this->registerAlias('CategoryFetcher', CategoryFetcher::class);
 
@@ -1458,13 +1455,6 @@ class Server extends ServerContainer implements IServerContainer {
 		return $this->query('URLGenerator');
 	}
 
-	/**
-	 * @return \OCP\IHelper
-	 */
-	public function getHelper() {
-		return $this->query('AppHelper');
-	}
-
 	/**
 	 * @return AppFetcher
 	 */
diff --git a/lib/public/IHelper.php b/lib/public/IHelper.php
deleted file mode 100644
index 707884b82f89b43a134fe150b59408eedc518eff..0000000000000000000000000000000000000000
--- a/lib/public/IHelper.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
- */
-
-/**
- * Public interface of ownCloud for apps to use.
- * Helper interface
- *
- */
-
-// use OCP namespace for all classes that are considered public.
-// This means that they should be used by apps instead of the internal ownCloud classes
-namespace OCP;
-
-/**
- * Functions that don't have any specific interface to place
- * @since 6.0.0
- * @deprecated 8.1.0
- */
-interface IHelper {
-	/**
-	 * Gets the content of an URL by using CURL or a fallback if it is not
-	 * installed
-	 * @param string $url the url that should be fetched
-	 * @return string the content of the webpage
-	 * @since 6.0.0
-	 * @deprecated 8.1.0 Use \OCP\IServerContainer::getHTTPClientService
-	 */
-	public function getUrlContent($url);
-}
diff --git a/lib/public/IServerContainer.php b/lib/public/IServerContainer.php
index 631611c3f152c241a6ff15bb8bfb4f8872da5cf5..a80fc262eef493e9aa98fb0b03372ee8431a60c9 100644
--- a/lib/public/IServerContainer.php
+++ b/lib/public/IServerContainer.php
@@ -250,14 +250,6 @@ interface IServerContainer extends IContainer {
 	 */
 	public function getURLGenerator();
 
-	/**
-	 * Returns the Helper
-	 *
-	 * @return \OCP\IHelper
-	 * @since 6.0.0
-	 */
-	public function getHelper();
-
 	/**
 	 * Returns an ICache instance
 	 *
diff --git a/tests/lib/ServerTest.php b/tests/lib/ServerTest.php
index 9c375dd654ec5f09694e67c4d098ef588bbe12a0..63642c997abaa372f347a610a99af62eb7015ca8 100644
--- a/tests/lib/ServerTest.php
+++ b/tests/lib/ServerTest.php
@@ -53,8 +53,6 @@ class ServerTest extends \Test\TestCase {
 			['AppConfig', '\OC\AppConfig'],
 			['AppConfig', '\OCP\IAppConfig'],
 			['AppFetcher', AppFetcher::class],
-			['AppHelper', '\OC\AppHelper'],
-			['AppHelper', '\OCP\IHelper'],
 			['AppManager', '\OC\App\AppManager'],
 			['AppManager', '\OCP\App\IAppManager'],
 			['AsyncCommandBus', '\OC\Command\AsyncBus'],