diff --git a/apps/files_sharing/composer/composer/autoload_classmap.php b/apps/files_sharing/composer/composer/autoload_classmap.php
index 0ba6ba1b8167f..5962eab0d5f50 100644
--- a/apps/files_sharing/composer/composer/autoload_classmap.php
+++ b/apps/files_sharing/composer/composer/autoload_classmap.php
@@ -96,8 +96,6 @@
     'OCA\\Files_Sharing\\ResponseDefinitions' => $baseDir . '/../lib/ResponseDefinitions.php',
     'OCA\\Files_Sharing\\Scanner' => $baseDir . '/../lib/Scanner.php',
     'OCA\\Files_Sharing\\Settings\\Personal' => $baseDir . '/../lib/Settings/Personal.php',
-    'OCA\\Files_Sharing\\ShareBackend\\File' => $baseDir . '/../lib/ShareBackend/File.php',
-    'OCA\\Files_Sharing\\ShareBackend\\Folder' => $baseDir . '/../lib/ShareBackend/Folder.php',
     'OCA\\Files_Sharing\\ShareTargetValidator' => $baseDir . '/../lib/ShareTargetValidator.php',
     'OCA\\Files_Sharing\\SharedMount' => $baseDir . '/../lib/SharedMount.php',
     'OCA\\Files_Sharing\\SharedStorage' => $baseDir . '/../lib/SharedStorage.php',
diff --git a/apps/files_sharing/composer/composer/autoload_static.php b/apps/files_sharing/composer/composer/autoload_static.php
index 03906cda0473b..51895e2be730a 100644
--- a/apps/files_sharing/composer/composer/autoload_static.php
+++ b/apps/files_sharing/composer/composer/autoload_static.php
@@ -111,8 +111,6 @@ class ComposerStaticInitFiles_Sharing
         'OCA\\Files_Sharing\\ResponseDefinitions' => __DIR__ . '/..' . '/../lib/ResponseDefinitions.php',
         'OCA\\Files_Sharing\\Scanner' => __DIR__ . '/..' . '/../lib/Scanner.php',
         'OCA\\Files_Sharing\\Settings\\Personal' => __DIR__ . '/..' . '/../lib/Settings/Personal.php',
-        'OCA\\Files_Sharing\\ShareBackend\\File' => __DIR__ . '/..' . '/../lib/ShareBackend/File.php',
-        'OCA\\Files_Sharing\\ShareBackend\\Folder' => __DIR__ . '/..' . '/../lib/ShareBackend/Folder.php',
         'OCA\\Files_Sharing\\ShareTargetValidator' => __DIR__ . '/..' . '/../lib/ShareTargetValidator.php',
         'OCA\\Files_Sharing\\SharedMount' => __DIR__ . '/..' . '/../lib/SharedMount.php',
         'OCA\\Files_Sharing\\SharedStorage' => __DIR__ . '/..' . '/../lib/SharedStorage.php',
diff --git a/apps/files_sharing/lib/AppInfo/Application.php b/apps/files_sharing/lib/AppInfo/Application.php
index da4984d378533..ac043d6bdf4ca 100644
--- a/apps/files_sharing/lib/AppInfo/Application.php
+++ b/apps/files_sharing/lib/AppInfo/Application.php
@@ -8,7 +8,6 @@
 namespace OCA\Files_Sharing\AppInfo;
 
 use OC\Group\DisplayNameCache as GroupDisplayNameCache;
-use OC\Share\Share;
 use OC\User\DisplayNameCache;
 use OCA\Files\Event\LoadAdditionalScriptsEvent;
 use OCA\Files\Event\LoadSidebar;
@@ -34,8 +33,6 @@
 use OCA\Files_Sharing\MountProvider;
 use OCA\Files_Sharing\Notification\Listener;
 use OCA\Files_Sharing\Notification\Notifier;
-use OCA\Files_Sharing\ShareBackend\File;
-use OCA\Files_Sharing\ShareBackend\Folder;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
@@ -130,9 +127,6 @@ public function boot(IBootContext $context): void {
 		$context->injectFn([$this, 'registerEventsScripts']);
 
 		Helper::registerHooks();
-
-		Share::registerBackend('file', File::class);
-		Share::registerBackend('folder', Folder::class, 'file');
 	}
 
 
diff --git a/apps/files_sharing/lib/Controller/ShareesAPIController.php b/apps/files_sharing/lib/Controller/ShareesAPIController.php
index bdf9e638928cc..0645ef184842c 100644
--- a/apps/files_sharing/lib/Controller/ShareesAPIController.php
+++ b/apps/files_sharing/lib/Controller/ShareesAPIController.php
@@ -128,11 +128,11 @@ public function search(string $search = '', ?string $itemType = null, int $page
 				$shareTypes[] = IShare::TYPE_GROUP;
 			}
 
-			if ($this->isRemoteSharingAllowed($itemType)) {
+			if ($this->isRemoteSharingAllowed()) {
 				$shareTypes[] = IShare::TYPE_REMOTE;
 			}
 
-			if ($this->isRemoteGroupSharingAllowed($itemType)) {
+			if ($this->isRemoteGroupSharingAllowed()) {
 				$shareTypes[] = IShare::TYPE_REMOTE_GROUP;
 			}
 
@@ -309,11 +309,11 @@ public function findRecommended(string $itemType, $shareType = null): DataRespon
 				$shareTypes[] = IShare::TYPE_GROUP;
 			}
 
-			if ($this->isRemoteSharingAllowed($itemType)) {
+			if ($this->isRemoteSharingAllowed()) {
 				$shareTypes[] = IShare::TYPE_REMOTE;
 			}
 
-			if ($this->isRemoteGroupSharingAllowed($itemType)) {
+			if ($this->isRemoteGroupSharingAllowed()) {
 				$shareTypes[] = IShare::TYPE_REMOTE_GROUP;
 			}
 
@@ -353,24 +353,12 @@ public function findRecommended(string $itemType, $shareType = null): DataRespon
 	 * @param string $itemType
 	 * @return bool
 	 */
-	protected function isRemoteSharingAllowed(string $itemType): bool {
-		try {
-			// FIXME: static foo makes unit testing unnecessarily difficult
-			$backend = Share::getBackend($itemType);
-			return $backend->isShareTypeAllowed(IShare::TYPE_REMOTE);
-		} catch (\Exception $e) {
-			return false;
-		}
+	protected function isRemoteSharingAllowed(): bool {
+		return $this->federatedShareProvider->isOutgoingServer2serverShareEnabled();
 	}
 
-	protected function isRemoteGroupSharingAllowed(string $itemType): bool {
-		try {
-			// FIXME: static foo makes unit testing unnecessarily difficult
-			$backend = Share::getBackend($itemType);
-			return $backend->isShareTypeAllowed(IShare::TYPE_REMOTE_GROUP);
-		} catch (\Exception $e) {
-			return false;
-		}
+	protected function isRemoteGroupSharingAllowed(): bool {
+		return $this->federatedShareProvider->isOutgoingServer2serverGroupShareEnabled();
 	}
 
 
diff --git a/apps/files_sharing/lib/External/Storage.php b/apps/files_sharing/lib/External/Storage.php
index e8de4bc63b5d3..b1c5342a0f3ef 100644
--- a/apps/files_sharing/lib/External/Storage.php
+++ b/apps/files_sharing/lib/External/Storage.php
@@ -330,7 +330,7 @@ public function getOwner(string $path): string|false {
 	}
 
 	public function isSharable(string $path): bool {
-		if (Util::isSharingDisabledForUser() || !Share::isResharingAllowed()) {
+		if (Util::isSharingDisabledForUser() || $this->config->getAppValue('core', 'shareapi_allow_resharing', 'yes') !== 'yes') {
 			return false;
 		}
 		return (bool)($this->getPermissions($path) & Constants::PERMISSION_SHARE);
diff --git a/apps/files_sharing/lib/Helper.php b/apps/files_sharing/lib/Helper.php
index 92e874b73dbdd..9c690709fec4a 100644
--- a/apps/files_sharing/lib/Helper.php
+++ b/apps/files_sharing/lib/Helper.php
@@ -29,7 +29,7 @@ public static function registerHooks() {
 	 * @param View $view
 	 * @return string $path
 	 */
-	public static function generateUniqueTarget($path, $view) {
+	public static function generateUniqueTarget(string $path, View $view): string {
 		$pathinfo = pathinfo($path);
 		$ext = isset($pathinfo['extension']) ? '.' . $pathinfo['extension'] : '';
 		$name = $pathinfo['filename'];
@@ -82,13 +82,4 @@ public static function getShareFolder(?View $view = null, ?string $userId = null
 
 		return $shareFolder;
 	}
-
-	/**
-	 * set default share folder
-	 *
-	 * @param string $shareFolder
-	 */
-	public static function setShareFolder($shareFolder) {
-		Server::get(IConfig::class)->setSystemValue('share_folder', $shareFolder);
-	}
 }
diff --git a/apps/files_sharing/lib/ShareBackend/File.php b/apps/files_sharing/lib/ShareBackend/File.php
deleted file mode 100644
index 28835a8d0eb1e..0000000000000
--- a/apps/files_sharing/lib/ShareBackend/File.php
+++ /dev/null
@@ -1,228 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-namespace OCA\Files_Sharing\ShareBackend;
-
-use OC\Files\Filesystem;
-use OC\Files\View;
-use OCA\FederatedFileSharing\FederatedShareProvider;
-use OCA\Files_Sharing\Helper;
-use OCP\Files\NotFoundException;
-use OCP\IDBConnection;
-use OCP\Server;
-use OCP\Share\IShare;
-use OCP\Share_Backend_File_Dependent;
-use Psr\Log\LoggerInterface;
-
-class File implements Share_Backend_File_Dependent {
-	public const FORMAT_SHARED_STORAGE = 0;
-	public const FORMAT_GET_FOLDER_CONTENTS = 1;
-	public const FORMAT_FILE_APP_ROOT = 2;
-	public const FORMAT_OPENDIR = 3;
-	public const FORMAT_GET_ALL = 4;
-	public const FORMAT_PERMISSIONS = 5;
-	public const FORMAT_TARGET_NAMES = 6;
-
-	private $path;
-
-	public function __construct(
-		private ?FederatedShareProvider $federatedShareProvider = null,
-	) {
-		if ($federatedShareProvider) {
-			$this->federatedShareProvider = $federatedShareProvider;
-		} else {
-			$this->federatedShareProvider = Server::get(FederatedShareProvider::class);
-		}
-	}
-
-	public function isValidSource($itemSource, $uidOwner) {
-		try {
-			$path = Filesystem::getPath($itemSource);
-			// FIXME: attributes should not be set here,
-			// keeping this pattern for now to avoid unexpected
-			// regressions
-			$this->path = Filesystem::normalizePath(basename($path));
-			return true;
-		} catch (NotFoundException $e) {
-			return false;
-		}
-	}
-
-	public function getFilePath($itemSource, $uidOwner) {
-		if (isset($this->path)) {
-			$path = $this->path;
-			$this->path = null;
-			return $path;
-		} else {
-			try {
-				$path = Filesystem::getPath($itemSource);
-				return $path;
-			} catch (NotFoundException $e) {
-				return false;
-			}
-		}
-	}
-
-	/**
-	 * create unique target
-	 *
-	 * @param string $itemSource
-	 * @param string $shareWith
-	 * @return string
-	 */
-	public function generateTarget($itemSource, $shareWith) {
-		$shareFolder = Helper::getShareFolder();
-		$target = Filesystem::normalizePath($shareFolder . '/' . basename($itemSource));
-
-		Filesystem::initMountPoints($shareWith);
-		$view = new View('/' . $shareWith . '/files');
-
-		if (!$view->is_dir($shareFolder)) {
-			$dir = '';
-			$subdirs = explode('/', $shareFolder);
-			foreach ($subdirs as $subdir) {
-				$dir = $dir . '/' . $subdir;
-				if (!$view->is_dir($dir)) {
-					$view->mkdir($dir);
-				}
-			}
-		}
-
-		return Helper::generateUniqueTarget($target, $view);
-	}
-
-	public function formatItems($items, $format, $parameters = null) {
-		if ($format === self::FORMAT_SHARED_STORAGE) {
-			// Only 1 item should come through for this format call
-			$item = array_shift($items);
-			return [
-				'parent' => $item['parent'],
-				'path' => $item['path'],
-				'storage' => $item['storage'],
-				'permissions' => $item['permissions'],
-				'uid_owner' => $item['uid_owner'],
-			];
-		} elseif ($format === self::FORMAT_GET_FOLDER_CONTENTS) {
-			$files = [];
-			foreach ($items as $item) {
-				$file = [];
-				$file['fileid'] = $item['file_source'];
-				$file['storage'] = $item['storage'];
-				$file['path'] = $item['file_target'];
-				$file['parent'] = $item['file_parent'];
-				$file['name'] = basename($item['file_target']);
-				$file['mimetype'] = $item['mimetype'];
-				$file['mimepart'] = $item['mimepart'];
-				$file['mtime'] = $item['mtime'];
-				$file['encrypted'] = $item['encrypted'];
-				$file['etag'] = $item['etag'];
-				$file['uid_owner'] = $item['uid_owner'];
-				$file['displayname_owner'] = $item['displayname_owner'];
-
-				$storage = Filesystem::getStorage('/');
-				$cache = $storage->getCache();
-				$file['size'] = $item['size'];
-				$files[] = $file;
-			}
-			return $files;
-		} elseif ($format === self::FORMAT_OPENDIR) {
-			$files = [];
-			foreach ($items as $item) {
-				$files[] = basename($item['file_target']);
-			}
-			return $files;
-		} elseif ($format === self::FORMAT_GET_ALL) {
-			$ids = [];
-			foreach ($items as $item) {
-				$ids[] = $item['file_source'];
-			}
-			return $ids;
-		} elseif ($format === self::FORMAT_PERMISSIONS) {
-			$filePermissions = [];
-			foreach ($items as $item) {
-				$filePermissions[$item['file_source']] = $item['permissions'];
-			}
-			return $filePermissions;
-		} elseif ($format === self::FORMAT_TARGET_NAMES) {
-			$targets = [];
-			foreach ($items as $item) {
-				$targets[] = $item['file_target'];
-			}
-			return $targets;
-		}
-		return [];
-	}
-
-	/**
-	 * check if server2server share is enabled
-	 *
-	 * @param int $shareType
-	 * @return boolean
-	 */
-	public function isShareTypeAllowed($shareType) {
-		if ($shareType === IShare::TYPE_REMOTE) {
-			return $this->federatedShareProvider->isOutgoingServer2serverShareEnabled();
-		}
-
-		if ($shareType === IShare::TYPE_REMOTE_GROUP) {
-			return $this->federatedShareProvider->isOutgoingServer2serverGroupShareEnabled();
-		}
-
-		return true;
-	}
-
-	/**
-	 * resolve reshares to return the correct source item
-	 * @param array $source
-	 * @return array source item
-	 */
-	protected static function resolveReshares($source) {
-		if (isset($source['parent'])) {
-			$parent = $source['parent'];
-			while (isset($parent)) {
-				$qb = Server::get(IDBConnection::class)->getQueryBuilder();
-				$qb->select('parent', 'uid_owner')
-					->from('share')
-					->where(
-						$qb->expr()->eq('id', $qb->createNamedParameter($parent))
-					);
-				$result = $qb->executeQuery();
-				$item = $result->fetchAssociative();
-				$result->closeCursor();
-				if (isset($item['parent'])) {
-					$parent = $item['parent'];
-				} else {
-					$fileOwner = $item['uid_owner'];
-					break;
-				}
-			}
-		} else {
-			$fileOwner = $source['uid_owner'];
-		}
-		if (isset($fileOwner)) {
-			$source['fileOwner'] = $fileOwner;
-		} else {
-			Server::get(LoggerInterface::class)->error('No owner found for reshare', ['app' => 'files_sharing']);
-		}
-
-		return $source;
-	}
-
-	/**
-	 * @param string $target
-	 * @param array $share
-	 * @return array|false source item
-	 */
-	public static function getSource($target, $share) {
-		if ($share['item_type'] === 'folder' && $target !== '') {
-			// note: in case of ext storage mount points the path might be empty
-			// which would cause a leading slash to appear
-			$share['path'] = ltrim($share['path'] . '/' . $target, '/');
-		}
-		return self::resolveReshares($share);
-	}
-}
diff --git a/apps/files_sharing/lib/ShareBackend/Folder.php b/apps/files_sharing/lib/ShareBackend/Folder.php
deleted file mode 100644
index ee288f307727e..0000000000000
--- a/apps/files_sharing/lib/ShareBackend/Folder.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-namespace OCA\Files_Sharing\ShareBackend;
-
-use OCP\IDBConnection;
-use OCP\Server;
-use OCP\Share_Backend_Collection;
-
-class Folder extends File implements Share_Backend_Collection {
-	public function getChildren($itemSource): array {
-		$children = [];
-		$parents = [$itemSource];
-
-		$qb = Server::get(IDBConnection::class)->getQueryBuilder();
-		$qb->select('id')
-			->from('mimetypes')
-			->where(
-				$qb->expr()->eq('mimetype', $qb->createNamedParameter('httpd/unix-directory'))
-			);
-		$result = $qb->executeQuery();
-
-		if (($row = $result->fetchAssociative()) !== false) {
-			$mimetype = (int)$row['id'];
-		} else {
-			$mimetype = -1;
-		}
-		$result->closeCursor();
-
-		while (!empty($parents)) {
-			$qb = Server::get(IDBConnection::class)->getQueryBuilder();
-
-			$parents = array_map(function ($parent) use ($qb) {
-				return $qb->createNamedParameter($parent);
-			}, $parents);
-
-			$qb->select('`fileid', 'name', '`mimetype')
-				->from('filecache')
-				->where(
-					$qb->expr()->in('parent', $parents)
-				);
-
-			$result = $qb->executeQuery();
-
-			$parents = [];
-			foreach ($result->iterateAssociative() as $file) {
-				$children[] = ['source' => $file['fileid'], 'file_path' => $file['name']];
-				// If a child folder is found look inside it
-				if ((int)$file['mimetype'] === $mimetype) {
-					$parents[] = $file['fileid'];
-				}
-			}
-			$result->closeCursor();
-		}
-		return $children;
-	}
-}
diff --git a/apps/files_sharing/lib/SharedStorage.php b/apps/files_sharing/lib/SharedStorage.php
index 136008a7b5c13..f754512f26bd0 100644
--- a/apps/files_sharing/lib/SharedStorage.php
+++ b/apps/files_sharing/lib/SharedStorage.php
@@ -36,6 +36,7 @@
 use OCP\Files\Storage\ILockingStorage;
 use OCP\Files\Storage\ISharedStorage;
 use OCP\Files\Storage\IStorage;
+use OCP\IAppConfig;
 use OCP\Lock\ILockingProvider;
 use OCP\Server;
 use OCP\Share\IShare;
@@ -279,7 +280,8 @@ public function isDeletable(string $path): bool {
 	}
 
 	public function isSharable(string $path): bool {
-		if (Util::isSharingDisabledForUser() || !Share::isResharingAllowed()) {
+		$appConfig = \OCP\Server::get(IAppConfig::class);
+		if (Util::isSharingDisabledForUser() || !$appConfig->getValueBool('core', 'shareapi_allow_resharing', true)) {
 			return false;
 		}
 		return (bool)($this->getPermissions($path) & Constants::PERMISSION_SHARE);
diff --git a/apps/files_sharing/tests/Controller/ShareesAPIControllerTest.php b/apps/files_sharing/tests/Controller/ShareesAPIControllerTest.php
index 1c016779e9fa8..3426b4147b7c5 100644
--- a/apps/files_sharing/tests/Controller/ShareesAPIControllerTest.php
+++ b/apps/files_sharing/tests/Controller/ShareesAPIControllerTest.php
@@ -282,13 +282,11 @@ public function testSearch(
 
 		$sharees->expects($this->any())
 			->method('isRemoteSharingAllowed')
-			->with($itemType)
 			->willReturn($remoteSharingEnabled);
 
 
 		$sharees->expects($this->any())
 			->method('isRemoteGroupSharingAllowed')
-			->with($itemType)
 			->willReturn($isRemoteGroupSharingEnabled);
 
 		$this->shareManager->expects($this->any())
@@ -385,25 +383,6 @@ public function testSearchInvalid($getData, $message): void {
 		}
 	}
 
-	public static function dataIsRemoteSharingAllowed() {
-		return [
-			['file', true],
-			['folder', true],
-			['', false],
-			['contacts', false],
-		];
-	}
-
-	/**
-	 *
-	 * @param string $itemType
-	 * @param bool $expected
-	 */
-	#[\PHPUnit\Framework\Attributes\DataProvider(methodName: 'dataIsRemoteSharingAllowed')]
-	public function testIsRemoteSharingAllowed($itemType, $expected): void {
-		$this->assertSame($expected, $this->invokePrivate($this->sharees, 'isRemoteSharingAllowed', [$itemType]));
-	}
-
 	public function testSearchSharingDisabled(): void {
 		$this->shareManager->expects($this->once())
 			->method('sharingDisabledForUser')
diff --git a/apps/files_sharing/tests/HelperTest.php b/apps/files_sharing/tests/HelperTest.php
deleted file mode 100644
index b84f85f244bd9..0000000000000
--- a/apps/files_sharing/tests/HelperTest.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-namespace OCA\Files_Sharing\Tests;
-
-use OC\Files\Filesystem;
-use OCA\Files_Sharing\Helper;
-use OCP\IConfig;
-use OCP\Server;
-
-/**
- * Class HelperTest
- */
-#[\PHPUnit\Framework\Attributes\Group(name: 'DB')]
-class HelperTest extends TestCase {
-
-	/**
-	 * test set and get share folder
-	 */
-	public function testSetGetShareFolder(): void {
-		$this->assertSame('/', Helper::getShareFolder());
-
-		Helper::setShareFolder('/Shared/Folder');
-
-		$sharedFolder = Helper::getShareFolder();
-		$this->assertSame('/Shared/Folder', Helper::getShareFolder());
-		$this->assertTrue(Filesystem::is_dir($sharedFolder));
-
-		// cleanup
-		Server::get(IConfig::class)->deleteSystemValue('share_folder');
-	}
-}
diff --git a/apps/files_sharing/tests/ShareTest.php b/apps/files_sharing/tests/ShareTest.php
index a6d143fc6d56b..3556849854295 100644
--- a/apps/files_sharing/tests/ShareTest.php
+++ b/apps/files_sharing/tests/ShareTest.php
@@ -9,7 +9,6 @@
 
 use OC\Files\FileInfo;
 use OC\Files\Filesystem;
-use OCA\Files_Sharing\Helper;
 use OCP\Constants;
 use OCP\IConfig;
 use OCP\IGroupManager;
@@ -128,7 +127,7 @@ public function testShareWithDifferentShareFolder(): void {
 			Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE | Constants::PERMISSION_SHARE
 		);
 
-		Helper::setShareFolder('/Shared/subfolder');
+		Server::get(IConfig::class)->setSystemValue('share_folder', '/Shared/subfolder');
 
 		$share = $this->share(
 			IShare::TYPE_USER,
diff --git a/build/psalm-baseline.xml b/build/psalm-baseline.xml
index 9936d3543d934..ebefd9a0e7c04 100644
--- a/build/psalm-baseline.xml
+++ b/build/psalm-baseline.xml
@@ -1538,6 +1538,7 @@
     </DeprecatedInterface>
     <DeprecatedMethod>
       <code><![CDATA[Util::isSharingDisabledForUser()]]></code>
+      <code><![CDATA[getAppValue]]></code>
     </DeprecatedMethod>
   </file>
   <file src="apps/files_sharing/lib/Helper.php">
@@ -1619,24 +1620,6 @@
       <code><![CDATA[getUserValue]]></code>
     </DeprecatedMethod>
   </file>
-  <file src="apps/files_sharing/lib/ShareBackend/File.php">
-    <InternalClass>
-      <code><![CDATA[new View('/' . $shareWith . '/files')]]></code>
-    </InternalClass>
-    <InternalMethod>
-      <code><![CDATA[is_dir]]></code>
-      <code><![CDATA[is_dir]]></code>
-      <code><![CDATA[mkdir]]></code>
-      <code><![CDATA[new View('/' . $shareWith . '/files')]]></code>
-    </InternalMethod>
-    <InvalidArgument>
-      <code><![CDATA[$itemSource]]></code>
-      <code><![CDATA[$itemSource]]></code>
-    </InvalidArgument>
-    <MoreSpecificImplementedParamType>
-      <code><![CDATA[$shareWith]]></code>
-    </MoreSpecificImplementedParamType>
-  </file>
   <file src="apps/files_sharing/lib/SharedMount.php">
     <InvalidReturnType>
       <code><![CDATA[bool]]></code>
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 5b6de5ff356d1..8a49167ff37c6 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -871,9 +871,6 @@
     'OCP\\Share\\IShareProviderSupportsAccept' => $baseDir . '/lib/public/Share/IShareProviderSupportsAccept.php',
     'OCP\\Share\\IShareProviderSupportsAllSharesInFolder' => $baseDir . '/lib/public/Share/IShareProviderSupportsAllSharesInFolder.php',
     'OCP\\Share\\IShareProviderWithNotification' => $baseDir . '/lib/public/Share/IShareProviderWithNotification.php',
-    'OCP\\Share_Backend' => $baseDir . '/lib/public/Share_Backend.php',
-    'OCP\\Share_Backend_Collection' => $baseDir . '/lib/public/Share_Backend_Collection.php',
-    'OCP\\Share_Backend_File_Dependent' => $baseDir . '/lib/public/Share_Backend_File_Dependent.php',
     'OCP\\Snowflake\\ISnowflakeDecoder' => $baseDir . '/lib/public/Snowflake/ISnowflakeDecoder.php',
     'OCP\\Snowflake\\ISnowflakeGenerator' => $baseDir . '/lib/public/Snowflake/ISnowflakeGenerator.php',
     'OCP\\Snowflake\\Snowflake' => $baseDir . '/lib/public/Snowflake/Snowflake.php',
@@ -2187,7 +2184,6 @@
     'OC\\Share20\\UserDeletedListener' => $baseDir . '/lib/private/Share20/UserDeletedListener.php',
     'OC\\Share20\\UserRemovedListener' => $baseDir . '/lib/private/Share20/UserRemovedListener.php',
     'OC\\Share\\Constants' => $baseDir . '/lib/private/Share/Constants.php',
-    'OC\\Share\\Share' => $baseDir . '/lib/private/Share/Share.php',
     'OC\\Snowflake\\APCuSequence' => $baseDir . '/lib/private/Snowflake/APCuSequence.php',
     'OC\\Snowflake\\FileSequence' => $baseDir . '/lib/private/Snowflake/FileSequence.php',
     'OC\\Snowflake\\ISequence' => $baseDir . '/lib/private/Snowflake/ISequence.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index fbee07dafc6b4..3337ff3225ac9 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -912,9 +912,6 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OCP\\Share\\IShareProviderSupportsAccept' => __DIR__ . '/../../..' . '/lib/public/Share/IShareProviderSupportsAccept.php',
         'OCP\\Share\\IShareProviderSupportsAllSharesInFolder' => __DIR__ . '/../../..' . '/lib/public/Share/IShareProviderSupportsAllSharesInFolder.php',
         'OCP\\Share\\IShareProviderWithNotification' => __DIR__ . '/../../..' . '/lib/public/Share/IShareProviderWithNotification.php',
-        'OCP\\Share_Backend' => __DIR__ . '/../../..' . '/lib/public/Share_Backend.php',
-        'OCP\\Share_Backend_Collection' => __DIR__ . '/../../..' . '/lib/public/Share_Backend_Collection.php',
-        'OCP\\Share_Backend_File_Dependent' => __DIR__ . '/../../..' . '/lib/public/Share_Backend_File_Dependent.php',
         'OCP\\Snowflake\\ISnowflakeDecoder' => __DIR__ . '/../../..' . '/lib/public/Snowflake/ISnowflakeDecoder.php',
         'OCP\\Snowflake\\ISnowflakeGenerator' => __DIR__ . '/../../..' . '/lib/public/Snowflake/ISnowflakeGenerator.php',
         'OCP\\Snowflake\\Snowflake' => __DIR__ . '/../../..' . '/lib/public/Snowflake/Snowflake.php',
@@ -2228,7 +2225,6 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OC\\Share20\\UserDeletedListener' => __DIR__ . '/../../..' . '/lib/private/Share20/UserDeletedListener.php',
         'OC\\Share20\\UserRemovedListener' => __DIR__ . '/../../..' . '/lib/private/Share20/UserRemovedListener.php',
         'OC\\Share\\Constants' => __DIR__ . '/../../..' . '/lib/private/Share/Constants.php',
-        'OC\\Share\\Share' => __DIR__ . '/../../..' . '/lib/private/Share/Share.php',
         'OC\\Snowflake\\APCuSequence' => __DIR__ . '/../../..' . '/lib/private/Snowflake/APCuSequence.php',
         'OC\\Snowflake\\FileSequence' => __DIR__ . '/../../..' . '/lib/private/Snowflake/FileSequence.php',
         'OC\\Snowflake\\ISequence' => __DIR__ . '/../../..' . '/lib/private/Snowflake/ISequence.php',
diff --git a/lib/private/Files/SetupManager.php b/lib/private/Files/SetupManager.php
index e058be0663b93..7204709c99745 100644
--- a/lib/private/Files/SetupManager.php
+++ b/lib/private/Files/SetupManager.php
@@ -20,7 +20,6 @@
 use OC\Files\Storage\Wrapper\Quota;
 use OC\Lockdown\Filesystem\NullStorage;
 use OC\ServerNotAvailableException;
-use OC\Share\Share;
 use OC\Share20\ShareDisableChecker;
 use OC_Hook;
 use OCA\Files_External\Config\ExternalMountPoint;
@@ -167,7 +166,7 @@ private function setupBuiltinWrappers(): void {
 			return $storage;
 		});
 
-		$reSharingEnabled = Share::isResharingAllowed();
+		$reSharingEnabled = $this->config->getAppValue('core', 'shareapi_allow_resharing', 'yes') === 'yes';
 		$user = $this->userSession->getUser();
 		$sharingEnabledForUser = $user ? !$this->shareDisableChecker->sharingDisabledForUser($user->getUID()) : true;
 		Filesystem::addStorageWrapper(
diff --git a/lib/private/Share/Constants.php b/lib/private/Share/Constants.php
index c816807f2807b..1f7f66343c065 100644
--- a/lib/private/Share/Constants.php
+++ b/lib/private/Share/Constants.php
@@ -10,20 +10,8 @@
 namespace OC\Share;
 
 class Constants {
-	public const FORMAT_NONE = -1;
-	public const FORMAT_STATUSES = -2;
-	public const FORMAT_SOURCES = -3;  // ToDo Check if it is still in use otherwise remove it
-
-	public const RESPONSE_FORMAT = 'json'; // default response format for ocs calls
-
 	public const MIN_TOKEN_LENGTH = 6; // 19,770,609,664 different possible variations
 	public const DEFAULT_TOKEN_LENGTH = 15; // 54,960,434,128,018,667,122,720,768 different possible variations
 	public const MAX_TOKEN_LENGTH = 32; // 8,167,835,760,036,914,488,254,418,108,462,708,901,695,678,621,570,564,096 different possible variations
 	public const TOKEN_LENGTH = self::DEFAULT_TOKEN_LENGTH; // old (oc7) length is 32, keep token length in db at least that for compatibility
-
-	protected static $shareTypeUserAndGroups = -1;
-	protected static $shareTypeGroupUserUnique = 2;
-	protected static $backends = [];
-	protected static $backendTypes = [];
-	protected static $isResharingAllowed;
 }
diff --git a/lib/private/Share/Share.php b/lib/private/Share/Share.php
deleted file mode 100644
index 6f4c373dcf9d5..0000000000000
--- a/lib/private/Share/Share.php
+++ /dev/null
@@ -1,184 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-namespace OC\Share;
-
-use OCA\Files_Sharing\ShareBackend\File;
-use OCP\IConfig;
-use OCP\Server;
-use OCP\Share_Backend;
-use OCP\Util;
-use Psr\Log\LoggerInterface;
-
-/**
- * This class provides the ability for apps to share their content between users.
- * Apps must create a backend class that implements OCP\Share_Backend and register it with this class.
- *
- * It provides the following hooks:
- *  - post_shared
- */
-class Share extends Constants {
-	/** CRUDS permissions (Create, Read, Update, Delete, Share) using a bitmask
-	 * Construct permissions for share() and setPermissions with Or (|) e.g.
-	 * Give user read and update permissions: PERMISSION_READ | PERMISSION_UPDATE
-	 *
-	 * Check if permission is granted with And (&) e.g. Check if delete is
-	 * granted: if ($permissions & PERMISSION_DELETE)
-	 *
-	 * Remove permissions with And (&) and Not (~) e.g. Remove the update
-	 * permission: $permissions &= ~PERMISSION_UPDATE
-	 *
-	 * Apps are required to handle permissions on their own, this class only
-	 * stores and manages the permissions of shares
-	 *
-	 * @see lib/public/Constants.php
-	 */
-
-	/**
-	 * Register a sharing backend class that implements OCP\Share_Backend for an item type
-	 *
-	 * @param string $itemType Item type
-	 * @param string $class Backend class
-	 * @param string $collectionOf (optional) Depends on item type
-	 * @param array $supportedFileExtensions (optional) List of supported file extensions if this item type depends on files
-	 * @return boolean true if backend is registered or false if error
-	 */
-	public static function registerBackend($itemType, $class, $collectionOf = null, $supportedFileExtensions = null) {
-		if (Server::get(IConfig::class)->getAppValue('core', 'shareapi_enabled', 'yes') == 'yes') {
-			if (!isset(self::$backendTypes[$itemType])) {
-				self::$backendTypes[$itemType] = [
-					'class' => $class,
-					'collectionOf' => $collectionOf,
-					'supportedFileExtensions' => $supportedFileExtensions
-				];
-				return true;
-			}
-			Server::get(LoggerInterface::class)->warning(
-				'Sharing backend ' . $class . ' not registered, ' . self::$backendTypes[$itemType]['class']
-				. ' is already registered for ' . $itemType,
-				['app' => 'files_sharing']);
-		}
-		return false;
-	}
-
-	/**
-	 * Get the backend class for the specified item type
-	 *
-	 * @param string $itemType
-	 * @return Share_Backend
-	 * @throws \Exception
-	 */
-	public static function getBackend($itemType) {
-		$l = Util::getL10N('lib');
-		$logger = Server::get(LoggerInterface::class);
-		if (isset(self::$backends[$itemType])) {
-			return self::$backends[$itemType];
-		} elseif (isset(self::$backendTypes[$itemType]['class'])) {
-			$class = self::$backendTypes[$itemType]['class'];
-			if (class_exists($class)) {
-				self::$backends[$itemType] = new $class;
-				if (!(self::$backends[$itemType] instanceof Share_Backend)) {
-					$message = 'Sharing backend %s must implement the interface OCP\Share_Backend';
-					$message_t = $l->t('Sharing backend %s must implement the interface OCP\Share_Backend', [$class]);
-					$logger->error(sprintf($message, $class), ['app' => 'OCP\Share']);
-					throw new \Exception($message_t);
-				}
-				return self::$backends[$itemType];
-			} else {
-				$message = 'Sharing backend %s not found';
-				$message_t = $l->t('Sharing backend %s not found', [$class]);
-				$logger->error(sprintf($message, $class), ['app' => 'OCP\Share']);
-				throw new \Exception($message_t);
-			}
-		}
-		$message = 'Sharing backend for %s not found';
-		$message_t = $l->t('Sharing backend for %s not found', [$itemType]);
-		$logger->error(sprintf($message, $itemType), ['app' => 'OCP\Share']);
-		throw new \Exception($message_t);
-	}
-
-	/**
-	 * Check if resharing is allowed
-	 *
-	 * @return boolean true if allowed or false
-	 *
-	 * Resharing is allowed by default if not configured
-	 */
-	public static function isResharingAllowed() {
-		if (!isset(self::$isResharingAllowed)) {
-			if (Server::get(IConfig::class)->getAppValue('core', 'shareapi_allow_resharing', 'yes') == 'yes') {
-				self::$isResharingAllowed = true;
-			} else {
-				self::$isResharingAllowed = false;
-			}
-		}
-		return self::$isResharingAllowed;
-	}
-
-	/**
-	 * group items with link to the same source
-	 *
-	 * @param array $items
-	 * @param string $itemType
-	 * @return array of grouped items
-	 */
-	protected static function groupItems($items, $itemType) {
-		$fileSharing = $itemType === 'file' || $itemType === 'folder';
-
-		$result = [];
-
-		foreach ($items as $item) {
-			$grouped = false;
-			foreach ($result as $key => $r) {
-				// for file/folder shares we need to compare file_source, otherwise we compare item_source
-				// only group shares if they already point to the same target, otherwise the file where shared
-				// before grouping of shares was added. In this case we don't group them to avoid confusions
-				if (($fileSharing && $item['file_source'] === $r['file_source'] && $item['file_target'] === $r['file_target'])
-					|| (!$fileSharing && $item['item_source'] === $r['item_source'] && $item['item_target'] === $r['item_target'])) {
-					// add the first item to the list of grouped shares
-					if (!isset($result[$key]['grouped'])) {
-						$result[$key]['grouped'][] = $result[$key];
-					}
-					$result[$key]['permissions'] = (int)$item['permissions'] | (int)$r['permissions'];
-					$result[$key]['grouped'][] = $item;
-					$grouped = true;
-					break;
-				}
-			}
-
-			if (!$grouped) {
-				$result[] = $item;
-			}
-		}
-
-		return $result;
-	}
-
-	/**
-	 * remove protocol from URL
-	 *
-	 * @param string $url
-	 * @return string
-	 */
-	public static function removeProtocolFromUrl($url) {
-		if (str_starts_with($url, 'https://')) {
-			return substr($url, strlen('https://'));
-		} elseif (str_starts_with($url, 'http://')) {
-			return substr($url, strlen('http://'));
-		}
-
-		return $url;
-	}
-
-
-	/**
-	 * @return int
-	 */
-	public static function getExpireInterval() {
-		return (int)Server::get(IConfig::class)->getAppValue('core', 'shareapi_expire_after_n_days', '7');
-	}
-}
diff --git a/lib/private/Tags.php b/lib/private/Tags.php
index 532ef91950d3a..c43837fc5adb5 100644
--- a/lib/private/Tags.php
+++ b/lib/private/Tags.php
@@ -19,7 +19,6 @@
 use OCP\ITags;
 use OCP\IUserSession;
 use OCP\Server;
-use OCP\Share_Backend;
 use OCP\Util;
 use Psr\Log\LoggerInterface;
 
@@ -30,23 +29,12 @@ class Tags implements ITags {
 	private static array $relations = [];
 	private array $tags = [];
 
-	/**
-	 * Are we including tags for shared items?
-	 */
-	private bool $includeShared = false;
-
 	/**
 	 * The current user, plus any owners of the items shared with the current
 	 * user, if $this->includeShared === true.
 	 */
 	private array $owners = [];
 
-	/**
-	 * The sharing backend for objects of $this->type. Required if
-	 * $this->includeShared === true to determine ownership of items.
-	 */
-	private ?Share_Backend $backend = null;
-
 	public const TAG_TABLE = 'vcategory';
 	public const RELATION_TABLE = 'vcategory_to_object';
 
diff --git a/lib/private/Template/JSConfigHelper.php b/lib/private/Template/JSConfigHelper.php
index 42c0c178ebe64..4907274f7304e 100644
--- a/lib/private/Template/JSConfigHelper.php
+++ b/lib/private/Template/JSConfigHelper.php
@@ -12,7 +12,6 @@
 use OC\CapabilitiesManager;
 use OC\Core\AppInfo\ConfigLexicon;
 use OC\Files\FilenameValidator;
-use OC\Share\Share;
 use OCA\Provisioning_API\Controller\AUserDataOCSController;
 use OCP\App\AppPathNotFoundException;
 use OCP\App\IAppManager;
@@ -247,7 +246,7 @@ public function getConfig(): string {
 					'enforcePasswordForPublicLink' => Util::isPublicLinkPasswordRequired(),
 					'enableLinkPasswordByDefault' => $enableLinkPasswordByDefault,
 					'sharingDisabledForUser' => $shareManager->sharingDisabledForUser($uid),
-					'resharingAllowed' => Share::isResharingAllowed(),
+					'resharingAllowed' => $this->appConfig->getValueBool('core', 'shareapi_allow_resharing', true),
 					'remoteShareAllowed' => $outgoingServer2serverShareEnabled,
 					'federatedCloudShareDoc' => $this->urlGenerator->linkToDocs('user-sharing-federated'),
 					'allowGroupSharing' => $shareManager->allowGroupSharing(),
diff --git a/lib/public/Share_Backend.php b/lib/public/Share_Backend.php
deleted file mode 100644
index 0fa79854e1084..0000000000000
--- a/lib/public/Share_Backend.php
+++ /dev/null
@@ -1,78 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-// use OCP namespace for all classes that are considered public.
-// This means that they should be used by apps instead of the internal Nextcloud classes
-
-namespace OCP;
-
-/**
- * Interface that apps must implement to share content.
- * @since 5.0.0
- */
-interface Share_Backend {
-	/**
-	 * Check if this $itemSource exist for the user
-	 * @param string $itemSource
-	 * @param string $uidOwner Owner of the item
-	 * @return boolean|null Source
-	 *
-	 * Return false if the item does not exist for the user
-	 * @since 5.0.0
-	 */
-	public function isValidSource($itemSource, $uidOwner);
-
-	/**
-	 * Get a unique name of the item for the specified user
-	 * @param string $itemSource
-	 * @param string|false $shareWith User the item is being shared with
-	 * @return string Target name
-	 *
-	 * This function needs to verify that the user does not already have an item with this name.
-	 * If it does generate a new name e.g. name_#
-	 * @since 5.0.0
-	 * @deprecated 31.0.0
-	 */
-	public function generateTarget($itemSource, $shareWith);
-
-	/**
-	 * Converts the shared item sources back into the item in the specified format
-	 * @param array $items Shared items
-	 * @param int $format
-	 * @return array
-	 *
-	 * The items array is a 3-dimensional array with the item_source as the
-	 * first key and the share id as the second key to an array with the share
-	 * info.
-	 *
-	 * The key/value pairs included in the share info depend on the function originally called:
-	 * If called by getItem(s)Shared: id, item_type, item, item_source,
-	 * share_type, share_with, permissions, stime, file_source
-	 *
-	 * If called by getItem(s)SharedWith: id, item_type, item, item_source,
-	 * item_target, share_type, share_with, permissions, stime, file_source,
-	 * file_target
-	 *
-	 * This function allows the backend to control the output of shared items with custom formats.
-	 * It is only called through calls to the public getItem(s)Shared(With) functions.
-	 * @since 5.0.0
-	 */
-	public function formatItems($items, $format, $parameters = null);
-
-	/**
-	 * Check if a given share type is allowed by the back-end
-	 *
-	 * @param int $shareType share type
-	 * @return boolean
-	 *
-	 * The back-end can enable/disable specific share types. Just return true if
-	 * the back-end doesn't provide any specific settings for it and want to allow
-	 * all share types defined by the share API
-	 * @since 8.0.0
-	 */
-	public function isShareTypeAllowed($shareType);
-}
diff --git a/lib/public/Share_Backend_Collection.php b/lib/public/Share_Backend_Collection.php
deleted file mode 100644
index 8dbe07db851ce..0000000000000
--- a/lib/public/Share_Backend_Collection.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-// use OCP namespace for all classes that are considered public.
-// This means that they should be used by apps instead of the internal Nextcloud classes
-
-namespace OCP;
-
-/**
- * Interface for collections of items implemented by another share backend.
- * Extends the Share_Backend interface.
- * @since 5.0.0
- */
-interface Share_Backend_Collection extends Share_Backend {
-	/**
-	 * Get the sources of the children of the item
-	 * @param string $itemSource
-	 * @return array Returns an array of children each inside an array with the keys: source, target, and file_path if applicable
-	 * @since 5.0.0
-	 */
-	public function getChildren($itemSource);
-}
diff --git a/lib/public/Share_Backend_File_Dependent.php b/lib/public/Share_Backend_File_Dependent.php
deleted file mode 100644
index 95051cbe28bfc..0000000000000
--- a/lib/public/Share_Backend_File_Dependent.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-// use OCP namespace for all classes that are considered public.
-// This means that they should be used by apps instead of the internal Nextcloud classes
-
-namespace OCP;
-
-/**
- * Interface for share backends that share content that is dependent on files.
- * Extends the Share_Backend interface.
- * @since 5.0.0
- */
-interface Share_Backend_File_Dependent extends Share_Backend {
-	/**
-	 * Get the file path of the item
-	 * @param string $itemSource
-	 * @param string $uidOwner User that is the owner of shared item
-	 * @return string|false
-	 * @since 5.0.0
-	 */
-	public function getFilePath($itemSource, $uidOwner);
-}
diff --git a/tests/lib/Files/EtagTest.php b/tests/lib/Files/EtagTest.php
index ccf1319a6a87f..4fff936d83e83 100644
--- a/tests/lib/Files/EtagTest.php
+++ b/tests/lib/Files/EtagTest.php
@@ -10,7 +10,6 @@
 
 use OC\Files\Filesystem;
 use OC\Files\Utils\Scanner;
-use OC\Share\Share;
 use OCA\Files_Sharing\AppInfo\Application;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IConfig;
@@ -44,9 +43,6 @@ protected function setUp(): void {
 		// init files sharing
 		new Application();
 
-		Share::registerBackend('file', 'OCA\Files_Sharing\ShareBackend\File');
-		Share::registerBackend('folder', 'OCA\Files_Sharing\ShareBackend\Folder', 'file');
-
 		$config = Server::get(IConfig::class);
 		$this->datadir = $config->getSystemValueString('datadirectory');
 		$this->tmpDir = Server::get(ITempManager::class)->getTemporaryFolder();
diff --git a/tests/lib/Share/Backend.php b/tests/lib/Share/Backend.php
deleted file mode 100644
index 94ac25111c228..0000000000000
--- a/tests/lib/Share/Backend.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
-
-namespace Test\Share;
-
-use OC\Share20\Manager;
-use OCP\Server;
-use OCP\Share\IShare;
-use OCP\Share_Backend;
-
-class Backend implements Share_Backend {
-	public const FORMAT_SOURCE = 0;
-	public const FORMAT_TARGET = 1;
-	public const FORMAT_PERMISSIONS = 2;
-
-	private $testItem1 = 'test.txt';
-	private $testItem2 = 'share.txt';
-	private $testId = 1;
-
-	public function isValidSource($itemSource, $uidOwner) {
-		if ($itemSource == $this->testItem1 || $itemSource == $this->testItem2 || $itemSource == 1) {
-			return true;
-		}
-	}
-
-	public function generateTarget($itemSource, $shareWith, $exclude = null) {
-		// Always make target be test.txt to cause conflicts
-
-		if (substr($itemSource, 0, strlen('test')) !== 'test') {
-			$target = 'test.txt';
-		} else {
-			$target = $itemSource;
-		}
-
-
-		$shareManager = Server::get(Manager::class);
-		$shares = array_merge(
-			$shareManager->getSharedWith($shareWith, IShare::TYPE_USER),
-			$shareManager->getSharedWith($shareWith, IShare::TYPE_GROUP),
-		);
-
-		$knownTargets = [];
-		foreach ($shares as $share) {
-			$knownTargets[] = $share['item_target'];
-		}
-
-
-		if (in_array($target, $knownTargets)) {
-			$pos = strrpos($target, '.');
-			$name = substr($target, 0, $pos);
-			$ext = substr($target, $pos);
-			$append = '';
-			$i = 1;
-			while (in_array($name . $append . $ext, $knownTargets)) {
-				$append = $i;
-				$i++;
-			}
-			$target = $name . $append . $ext;
-		}
-
-		return $target;
-	}
-
-	public function formatItems($items, $format, $parameters = null) {
-		$testItems = [];
-		foreach ($items as $item) {
-			if ($format === self::FORMAT_SOURCE) {
-				$testItems[] = $item['item_source'];
-			} elseif ($format === self::FORMAT_TARGET) {
-				$testItems[] = $item['item_target'];
-			} elseif ($format === self::FORMAT_PERMISSIONS) {
-				$testItems[] = $item['permissions'];
-			}
-		}
-		return $testItems;
-	}
-
-	public function isShareTypeAllowed($shareType) {
-		return true;
-	}
-}
diff --git a/tests/lib/Share/ShareTest.php b/tests/lib/Share/ShareTest.php
deleted file mode 100644
index ba86f3c3d3bcd..0000000000000
--- a/tests/lib/Share/ShareTest.php
+++ /dev/null
@@ -1,235 +0,0 @@
-<?php
-
-/**
- * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
- * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
-
-namespace Test\Share;
-
-use OC\Share\Share;
-use OC\SystemConfig;
-use OCP\Constants;
-use OCP\IConfig;
-use OCP\IDBConnection;
-use OCP\IGroup;
-use OCP\IGroupManager;
-use OCP\IUser;
-use OCP\IUserManager;
-use OCP\Server;
-
-/**
- * Class Test_Share
- */
-#[\PHPUnit\Framework\Attributes\Group('DB')]
-class ShareTest extends \Test\TestCase {
-	protected $itemType;
-
-	protected IUser $user1;
-	protected IUser $user2;
-	protected IUser $user3;
-	protected IUser $user4;
-	protected IUser $user5;
-	protected IUser $user6;
-	protected IUser $groupAndUser_user;
-
-	protected IGroup $group1;
-	protected IGroup $group2;
-	protected IGroup $groupAndUser_group;
-
-	protected string $resharing;
-	protected string $dateInFuture;
-	protected string $dateInPast;
-
-	protected IGroupManager $groupManager;
-	protected IUserManager $userManager;
-	private IDBConnection $connection;
-
-	protected function setUp(): void {
-		parent::setUp();
-
-		$this->groupManager = Server::get(IGroupManager::class);
-		$this->userManager = Server::get(IUserManager::class);
-
-		$this->userManager->clearBackends();
-		$this->userManager->registerBackend(new \Test\Util\User\Dummy());
-
-		$this->user1 = $this->userManager->createUser($this->getUniqueID('user1_'), 'pass');
-		$this->user2 = $this->userManager->createUser($this->getUniqueID('user2_'), 'pass');
-		$this->user3 = $this->userManager->createUser($this->getUniqueID('user3_'), 'pass');
-		$this->user4 = $this->userManager->createUser($this->getUniqueID('user4_'), 'pass');
-		$this->user5 = $this->userManager->createUser($this->getUniqueID('user5_'), 'pass');
-		$this->user6 = $this->userManager->createUser($this->getUniqueID('user6_'), 'pass');
-		$groupAndUserId = $this->getUniqueID('groupAndUser_');
-		$this->groupAndUser_user = $this->userManager->createUser($groupAndUserId, 'pass');
-		\OC_User::setUserId($this->user1->getUID());
-
-		$this->groupManager->clearBackends();
-		$this->groupManager->addBackend(new \Test\Util\Group\Dummy());
-		$this->group1 = $this->groupManager->createGroup($this->getUniqueID('group1_'));
-		$this->group2 = $this->groupManager->createGroup($this->getUniqueID('group2_'));
-		$this->groupAndUser_group = $this->groupManager->createGroup($groupAndUserId);
-		$this->connection = Server::get(IDBConnection::class);
-
-		$this->group1->addUser($this->user1);
-		$this->group1->addUser($this->user2);
-		$this->group1->addUser($this->user3);
-		$this->group2->addUser($this->user2);
-		$this->group2->addUser($this->user4);
-		$this->groupAndUser_group->addUser($this->user2);
-		$this->groupAndUser_group->addUser($this->user3);
-
-		Share::registerBackend('test', 'Test\Share\Backend');
-		\OC_Hook::clear('OCP\\Share');
-		\OC::registerShareHooks(Server::get(SystemConfig::class));
-		$this->resharing = Server::get(IConfig::class)->getAppValue('core', 'shareapi_allow_resharing', 'yes');
-		Server::get(IConfig::class)->setAppValue('core', 'shareapi_allow_resharing', 'yes');
-
-		// 20 Minutes in the past, 20 minutes in the future.
-		$now = time();
-		$dateFormat = 'Y-m-d H:i:s';
-		$this->dateInPast = date($dateFormat, $now - 20 * 60);
-		$this->dateInFuture = date($dateFormat, $now + 20 * 60);
-	}
-
-	protected function tearDown(): void {
-		$query = $this->connection->getQueryBuilder();
-		$query->delete('share')->andWhere($query->expr()->eq('item_type', $query->createNamedParameter('test')));
-		$query->executeStatement();
-		Server::get(IConfig::class)->setAppValue('core', 'shareapi_allow_resharing', $this->resharing);
-
-		$this->user1->delete();
-		$this->user2->delete();
-		$this->user3->delete();
-		$this->user4->delete();
-		$this->user5->delete();
-		$this->user6->delete();
-		$this->groupAndUser_user->delete();
-
-		$this->group1->delete();
-		$this->group2->delete();
-		$this->groupAndUser_group->delete();
-
-		$this->logout();
-		parent::tearDown();
-	}
-
-	public function verifyResult($result, $expected) {
-		foreach ($result as $r) {
-			if (in_array($r['item_target'], $expected)) {
-				$key = array_search($r['item_target'], $expected);
-				unset($expected[$key]);
-			}
-		}
-		$this->assertEmpty($expected, 'did not found all expected values');
-	}
-
-	/**
-	 * @param string $url
-	 * @param string $expectedResult
-	 */
-	#[\PHPUnit\Framework\Attributes\DataProvider('urls')]
-	public function testRemoveProtocolFromUrl($url, $expectedResult): void {
-		$share = new Share();
-		$result = self::invokePrivate($share, 'removeProtocolFromUrl', [$url]);
-		$this->assertSame($expectedResult, $result);
-	}
-
-	public static function urls(): array {
-		return [
-			['http://owncloud.org', 'owncloud.org'],
-			['https://owncloud.org', 'owncloud.org'],
-			['owncloud.org', 'owncloud.org'],
-		];
-	}
-
-	/**
-	 * @param array $ungrouped
-	 * @param array $grouped
-	 */
-	#[\PHPUnit\Framework\Attributes\DataProvider('dataProviderTestGroupItems')]
-	public function testGroupItems($ungrouped, $grouped): void {
-		$result = DummyShareClass::groupItemsTest($ungrouped);
-
-		$this->compareArrays($grouped, $result);
-	}
-
-	public function compareArrays($result, $expectedResult) {
-		foreach ($expectedResult as $key => $value) {
-			if (is_array($value)) {
-				$this->compareArrays($result[$key], $value);
-			} else {
-				$this->assertSame($value, $result[$key]);
-			}
-		}
-	}
-
-	public static function dataProviderTestGroupItems(): array {
-		return [
-			// one array with one share
-			[
-				[ // input
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_ALL, 'item_target' => 't1']],
-				[ // expected result
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_ALL, 'item_target' => 't1']]],
-			// two shares both point to the same source
-			[
-				[ // input
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_READ, 'item_target' => 't1'],
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_UPDATE, 'item_target' => 't1'],
-				],
-				[ // expected result
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE, 'item_target' => 't1',
-						'grouped' => [
-							['item_source' => 1, 'permissions' => Constants::PERMISSION_READ, 'item_target' => 't1'],
-							['item_source' => 1, 'permissions' => Constants::PERMISSION_UPDATE, 'item_target' => 't1'],
-						]
-					],
-				]
-			],
-			// two shares both point to the same source but with different targets
-			[
-				[ // input
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_READ, 'item_target' => 't1'],
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_UPDATE, 'item_target' => 't2'],
-				],
-				[ // expected result
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_READ, 'item_target' => 't1'],
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_UPDATE, 'item_target' => 't2'],
-				]
-			],
-			// three shares two point to the same source
-			[
-				[ // input
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_READ, 'item_target' => 't1'],
-					['item_source' => 2, 'permissions' => Constants::PERMISSION_CREATE, 'item_target' => 't2'],
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_UPDATE, 'item_target' => 't1'],
-				],
-				[ // expected result
-					['item_source' => 1, 'permissions' => Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE, 'item_target' => 't1',
-						'grouped' => [
-							['item_source' => 1, 'permissions' => Constants::PERMISSION_READ, 'item_target' => 't1'],
-							['item_source' => 1, 'permissions' => Constants::PERMISSION_UPDATE, 'item_target' => 't1'],
-						]
-					],
-					['item_source' => 2, 'permissions' => Constants::PERMISSION_CREATE, 'item_target' => 't2'],
-				]
-			],
-		];
-	}
-}
-
-class DummyShareClass extends Share {
-	public static function groupItemsTest($items) {
-		return parent::groupItems($items, 'test');
-	}
-}
-
-class DummyHookListener {
-	public static $shareType = null;
-
-	public static function listen($params) {
-		self::$shareType = $params['shareType'];
-	}
-}