diff --git a/apps/files/appinfo/routes.php b/apps/files/appinfo/routes.php
index b6506824a80a12cd78d64b23227d5ca768290bcc..08c9041062db6b0897facebfbc530bc966638cf7 100644
--- a/apps/files/appinfo/routes.php
+++ b/apps/files/appinfo/routes.php
@@ -85,4 +85,4 @@ $this->create('download', 'download{file}')
 	->actionInclude('files/download.php');
 	
 // Register with the capabilities API
-\OC_API::register('get', '/cloud/capabilities', array('OCA\Files\Capabilities', 'getCapabilities'), 'files', \OC_API::USER_AUTH);
+\OCP\API::register('get', '/cloud/capabilities', array('OCA\Files\Capabilities', 'getCapabilities'), 'files', \OCP\API::USER_AUTH);
diff --git a/apps/files_external/appinfo/routes.php b/apps/files_external/appinfo/routes.php
index 31f82087786529a07b7188db628f61fcf3e6f688..98eb2fcccbbb99cf737669f7f913e9bf3e3b489a 100644
--- a/apps/files_external/appinfo/routes.php
+++ b/apps/files_external/appinfo/routes.php
@@ -61,7 +61,7 @@ $this->create('files_external_google', 'ajax/google.php')
 $this->create('files_external_list_applicable', '/applicable')
 	->actionInclude('files_external/ajax/applicable.php');
 
-\OC_API::register('get',
+\OCP\API::register('get',
 		'/apps/files_external/api/v1/mounts',
 		array('\OCA\Files\External\Api', 'getUserMounts'),
 		'files_external');
diff --git a/apps/files_sharing/appinfo/routes.php b/apps/files_sharing/appinfo/routes.php
index 16f8727a51004a9fecd60728127724391e67d19a..9ac3a1f731abceae93e9e6e3b459277668bc4e6b 100644
--- a/apps/files_sharing/appinfo/routes.php
+++ b/apps/files_sharing/appinfo/routes.php
@@ -26,6 +26,7 @@
 namespace OCA\Files_Sharing\AppInfo;
 
 use OCA\Files_Sharing\Application;
+use OCP\API;
 
 $application = new Application();
 $application->registerRoutes($this, [
@@ -55,33 +56,33 @@ $this->create('sharing_external_test_remote', '/testremote')
 
 //TODO: SET: mail notification, waiting for PR #4689 to be accepted
 
-\OC_API::register('get',
+API::register('get',
 		'/apps/files_sharing/api/v1/shares',
 		array('\OCA\Files_Sharing\API\Local', 'getAllShares'),
 		'files_sharing');
 
-\OC_API::register('post',
+API::register('post',
 		'/apps/files_sharing/api/v1/shares',
 		array('\OCA\Files_Sharing\API\Local', 'createShare'),
 		'files_sharing');
 
-\OC_API::register('get',
+API::register('get',
 		'/apps/files_sharing/api/v1/shares/{id}',
 		array('\OCA\Files_Sharing\API\Local', 'getShare'),
 		'files_sharing');
 
-\OC_API::register('put',
+API::register('put',
 		'/apps/files_sharing/api/v1/shares/{id}',
 		array('\OCA\Files_Sharing\API\Local', 'updateShare'),
 		'files_sharing');
 
-\OC_API::register('delete',
+API::register('delete',
 		'/apps/files_sharing/api/v1/shares/{id}',
 		array('\OCA\Files_Sharing\API\Local', 'deleteShare'),
 		'files_sharing');
 
 // Register with the capabilities API
-\OC_API::register('get',
+API::register('get',
 		'/cloud/capabilities',
 		array('OCA\Files_Sharing\Capabilities', 'getCapabilities'),
-		'files_sharing', \OC_API::USER_AUTH);
+		'files_sharing', API::USER_AUTH);
diff --git a/apps/files_trashbin/appinfo/routes.php b/apps/files_trashbin/appinfo/routes.php
index 05b082002a58bee4cf3f77b6e268f22b41ac0842..526ad1d4e354d12248e2616948eac696a3ae7b2a 100644
--- a/apps/files_trashbin/appinfo/routes.php
+++ b/apps/files_trashbin/appinfo/routes.php
@@ -34,4 +34,4 @@ $this->create('files_trashbin_ajax_undelete', 'ajax/undelete.php')
 
 
 // Register with the capabilities API
-\OC_API::register('get', '/cloud/capabilities', array('OCA\Files_Trashbin\Capabilities', 'getCapabilities'), 'files_trashbin', \OC_API::USER_AUTH);
+\OCP\API::register('get', '/cloud/capabilities', array('OCA\Files_Trashbin\Capabilities', 'getCapabilities'), 'files_trashbin', \OCP\API::USER_AUTH);
diff --git a/apps/files_versions/appinfo/routes.php b/apps/files_versions/appinfo/routes.php
index 9a9bd5bd6559a2131c2f7fb9c9524a7f9859f14c..0ea37d3b1b1403eba6cfd65e2cbe44a38486af4f 100644
--- a/apps/files_versions/appinfo/routes.php
+++ b/apps/files_versions/appinfo/routes.php
@@ -38,4 +38,4 @@ $this->create('files_versions_ajax_rollbackVersion', 'ajax/rollbackVersion.php')
 	->actionInclude('files_versions/ajax/rollbackVersion.php');
 
 // Register with the capabilities API
-OC_API::register('get', '/cloud/capabilities', array('OCA\Files_Versions\Capabilities', 'getCapabilities'), 'files_versions', OC_API::USER_AUTH);
+\OCP\API::register('get', '/cloud/capabilities', array('OCA\Files_Versions\Capabilities', 'getCapabilities'), 'files_versions', \OCP\API::USER_AUTH);
diff --git a/apps/provisioning_api/appinfo/routes.php b/apps/provisioning_api/appinfo/routes.php
index 756822bc7e1936983700472ffd3a5e1c9fe63bca..87f073f82b00c36afd000d7ebe15698a2526353a 100644
--- a/apps/provisioning_api/appinfo/routes.php
+++ b/apps/provisioning_api/appinfo/routes.php
@@ -21,27 +21,29 @@
  */
 
 // Users
-OCP\API::register('get', '/cloud/users', array('OCA\Provisioning_API\Users', 'getUsers'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('post', '/cloud/users', array('OCA\Provisioning_API\Users', 'addUser'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('get', '/cloud/users/{userid}', array('OCA\Provisioning_API\Users', 'getUser'), 'provisioning_api', OC_API::USER_AUTH);
-OCP\API::register('put', '/cloud/users/{userid}', array('OCA\Provisioning_API\Users', 'editUser'), 'provisioning_api', OC_API::USER_AUTH);
-OCP\API::register('delete', '/cloud/users/{userid}', array('OCA\Provisioning_API\Users', 'deleteUser'), 'provisioning_api', OC_API::SUBADMIN_AUTH);
-OCP\API::register('get', '/cloud/users/{userid}/groups', array('OCA\Provisioning_API\Users', 'getUsersGroups'), 'provisioning_api', OC_API::USER_AUTH);
-OCP\API::register('post', '/cloud/users/{userid}/groups', array('OCA\Provisioning_API\Users', 'addToGroup'), 'provisioning_api', OC_API::SUBADMIN_AUTH);
-OCP\API::register('delete', '/cloud/users/{userid}/groups', array('OCA\Provisioning_API\Users', 'removeFromGroup'), 'provisioning_api', OC_API::SUBADMIN_AUTH);
-OCP\API::register('post', '/cloud/users/{userid}/subadmins', array('OCA\Provisioning_API\Users', 'addSubAdmin'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('delete', '/cloud/users/{userid}/subadmins', array('OCA\Provisioning_API\Users', 'removeSubAdmin'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('get', '/cloud/users/{userid}/subadmins', array('OCA\Provisioning_API\Users', 'getUserSubAdminGroups'), 'provisioning_api', OC_API::ADMIN_AUTH);
+use OCP\API;
+
+API::register('get', '/cloud/users', array('OCA\Provisioning_API\Users', 'getUsers'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('post', '/cloud/users', array('OCA\Provisioning_API\Users', 'addUser'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('get', '/cloud/users/{userid}', array('OCA\Provisioning_API\Users', 'getUser'), 'provisioning_api', API::USER_AUTH);
+API::register('put', '/cloud/users/{userid}', array('OCA\Provisioning_API\Users', 'editUser'), 'provisioning_api', API::USER_AUTH);
+API::register('delete', '/cloud/users/{userid}', array('OCA\Provisioning_API\Users', 'deleteUser'), 'provisioning_api', API::SUBADMIN_AUTH);
+API::register('get', '/cloud/users/{userid}/groups', array('OCA\Provisioning_API\Users', 'getUsersGroups'), 'provisioning_api', API::USER_AUTH);
+API::register('post', '/cloud/users/{userid}/groups', array('OCA\Provisioning_API\Users', 'addToGroup'), 'provisioning_api', API::SUBADMIN_AUTH);
+API::register('delete', '/cloud/users/{userid}/groups', array('OCA\Provisioning_API\Users', 'removeFromGroup'), 'provisioning_api', API::SUBADMIN_AUTH);
+API::register('post', '/cloud/users/{userid}/subadmins', array('OCA\Provisioning_API\Users', 'addSubAdmin'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('delete', '/cloud/users/{userid}/subadmins', array('OCA\Provisioning_API\Users', 'removeSubAdmin'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('get', '/cloud/users/{userid}/subadmins', array('OCA\Provisioning_API\Users', 'getUserSubAdminGroups'), 'provisioning_api', API::ADMIN_AUTH);
 
 // Groups
-OCP\API::register('get', '/cloud/groups', array('OCA\Provisioning_API\Groups', 'getGroups'), 'provisioning_api', OC_API::SUBADMIN_AUTH);
-OCP\API::register('post', '/cloud/groups', array('OCA\Provisioning_API\Groups', 'addGroup'), 'provisioning_api', OC_API::SUBADMIN_AUTH);
-OCP\API::register('get', '/cloud/groups/{groupid}', array('OCA\Provisioning_API\Groups', 'getGroup'), 'provisioning_api', OC_API::SUBADMIN_AUTH);
-OCP\API::register('delete', '/cloud/groups/{groupid}', array('OCA\Provisioning_API\Groups', 'deleteGroup'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('get', '/cloud/groups/{groupid}/subadmins', array('OCA\Provisioning_API\Groups', 'getSubAdminsOfGroup'), 'provisioning_api', OC_API::ADMIN_AUTH);
+API::register('get', '/cloud/groups', array('OCA\Provisioning_API\Groups', 'getGroups'), 'provisioning_api', API::SUBADMIN_AUTH);
+API::register('post', '/cloud/groups', array('OCA\Provisioning_API\Groups', 'addGroup'), 'provisioning_api', API::SUBADMIN_AUTH);
+API::register('get', '/cloud/groups/{groupid}', array('OCA\Provisioning_API\Groups', 'getGroup'), 'provisioning_api', API::SUBADMIN_AUTH);
+API::register('delete', '/cloud/groups/{groupid}', array('OCA\Provisioning_API\Groups', 'deleteGroup'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('get', '/cloud/groups/{groupid}/subadmins', array('OCA\Provisioning_API\Groups', 'getSubAdminsOfGroup'), 'provisioning_api', API::ADMIN_AUTH);
 
 // Apps
-OCP\API::register('get', '/cloud/apps', array('OCA\Provisioning_API\Apps', 'getApps'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('get', '/cloud/apps/{appid}', array('OCA\Provisioning_API\Apps', 'getAppInfo'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('post', '/cloud/apps/{appid}', array('OCA\Provisioning_API\Apps', 'enable'), 'provisioning_api', OC_API::ADMIN_AUTH);
-OCP\API::register('delete', '/cloud/apps/{appid}', array('OCA\Provisioning_API\Apps', 'disable'), 'provisioning_api', OC_API::ADMIN_AUTH);
+API::register('get', '/cloud/apps', array('OCA\Provisioning_API\Apps', 'getApps'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('get', '/cloud/apps/{appid}', array('OCA\Provisioning_API\Apps', 'getAppInfo'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('post', '/cloud/apps/{appid}', array('OCA\Provisioning_API\Apps', 'enable'), 'provisioning_api', API::ADMIN_AUTH);
+API::register('delete', '/cloud/apps/{appid}', array('OCA\Provisioning_API\Apps', 'disable'), 'provisioning_api', API::ADMIN_AUTH);
diff --git a/apps/provisioning_api/lib/apps.php b/apps/provisioning_api/lib/apps.php
index c1abb772e41d0f96d38aab533eac34c07db688d8..2bafd06a084eafa5908749a6cce408c89d39154f 100644
--- a/apps/provisioning_api/lib/apps.php
+++ b/apps/provisioning_api/lib/apps.php
@@ -60,7 +60,7 @@ class Apps {
 		if(!is_null($info)) {
 			return new OC_OCS_Result(OC_App::getAppInfo($app));
 		} else {
-			return new OC_OCS_Result(null, \OC_API::RESPOND_NOT_FOUND, 'The request app was not found');
+			return new OC_OCS_Result(null, \OCP\API::RESPOND_NOT_FOUND, 'The request app was not found');
 		}
 	}
 
diff --git a/apps/provisioning_api/lib/groups.php b/apps/provisioning_api/lib/groups.php
index 4a5a69216c4f946f694587fc0ddfc03791490e20..cd156110635026a07231ce248ddf1fddfc27ac8c 100644
--- a/apps/provisioning_api/lib/groups.php
+++ b/apps/provisioning_api/lib/groups.php
@@ -44,14 +44,14 @@ class Groups{
 	public static function getGroup($parameters){
 		// Check the group exists
 		if(!OC_Group::groupExists($parameters['groupid'])){
-			return new OC_OCS_Result(null, \OC_API::RESPOND_NOT_FOUND, 'The requested group could not be found');
+			return new OC_OCS_Result(null, \OCP\API::RESPOND_NOT_FOUND, 'The requested group could not be found');
 		}
 		// Check subadmin has access to this group
 		if(\OC_User::isAdminUser(\OC_User::getUser())
 			|| in_array($parameters['groupid'], \OC_SubAdmin::getSubAdminsGroups(\OC_User::getUser()))){
 			return new OC_OCS_Result(array('users' => OC_Group::usersInGroup($parameters['groupid'])));
 		} else {
-			return new OC_OCS_Result(null, \OC_API::RESPOND_UNAUTHORISED, 'User does not have access to specified group');
+			return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED, 'User does not have access to specified group');
 		}
 	}
 
diff --git a/apps/provisioning_api/lib/users.php b/apps/provisioning_api/lib/users.php
index 6169ea16f9cf257a0b9ec351dad7e7884ee484d2..505a141c032b2184ac8125a437c18ffbc0e01dca 100644
--- a/apps/provisioning_api/lib/users.php
+++ b/apps/provisioning_api/lib/users.php
@@ -67,7 +67,7 @@ class Users {
 		if(OC_User::isAdminUser(OC_User::getUser()) || OC_SubAdmin::isUserAccessible(OC_User::getUser(), $userId)) {
 			// Check they exist
 			if(!OC_User::userExists($userId)) {
-				return new OC_OCS_Result(null, \OC_API::RESPOND_NOT_FOUND, 'The requested user could not be found');
+				return new OC_OCS_Result(null, \OCP\API::RESPOND_NOT_FOUND, 'The requested user could not be found');
 			}
 			// Show all
 			$return = array(
@@ -80,7 +80,7 @@ class Users {
 		} else {
 			// Check they are looking up themselves
 			if(OC_User::getUser() != $userId) {
-				return new OC_OCS_Result(null, \OC_API::RESPOND_UNAUTHORISED);
+				return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
 			}
 			// Return some additional information compared to the core route
 			$return = array(
@@ -226,7 +226,7 @@ class Users {
 		// Check they're an admin
 		if(!OC_Group::inGroup(OC_User::getUser(), 'admin')){
 			// This user doesn't have rights to add a user to this group
-			return new OC_OCS_Result(null, \OC_API::RESPOND_UNAUTHORISED);
+			return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
 		}
 		// Check if the group exists
 		if(!OC_Group::groupExists($group)){
diff --git a/apps/provisioning_api/tests/appstest.php b/apps/provisioning_api/tests/appstest.php
index b2b5748ea27f09aba9bbbcb92e5baedb5cf82b0e..140dd287a0e1112d36ca467d156d10cbdc3386f3 100644
--- a/apps/provisioning_api/tests/appstest.php
+++ b/apps/provisioning_api/tests/appstest.php
@@ -36,7 +36,7 @@ class AppsTest extends TestCase {
 		$result = \OCA\provisioning_API\Apps::getAppInfo(array('appid' => 'not_provisioning_api'));
 		$this->assertInstanceOf('OC_OCS_Result', $result);
 		$this->assertFalse($result->succeeded());
-		$this->assertEquals(\OC_API::RESPOND_NOT_FOUND, $result->getStatusCode());
+		$this->assertEquals(\OCP\API::RESPOND_NOT_FOUND, $result->getStatusCode());
 
 	}
 
diff --git a/apps/provisioning_api/tests/groupstest.php b/apps/provisioning_api/tests/groupstest.php
index 7c5343af46d9cec7e4425b75357e59c65d684c03..94bde52c392b375fc3193ca7c44b8ef1d1bfdf9f 100644
--- a/apps/provisioning_api/tests/groupstest.php
+++ b/apps/provisioning_api/tests/groupstest.php
@@ -39,7 +39,7 @@ class GroupsTest extends TestCase {
 
 		$this->assertInstanceOf('OC_OCS_Result', $result);
 		$this->assertFalse($result->succeeded());
-		$this->assertEquals(\OC_API::RESPOND_UNAUTHORISED, $result->getStatusCode());
+		$this->assertEquals(\OCP\API::RESPOND_UNAUTHORISED, $result->getStatusCode());
 
 	}
 
@@ -92,7 +92,7 @@ class GroupsTest extends TestCase {
 
 		$this->assertInstanceOf('OC_OCS_Result', $result);
 		$this->assertFalse($result->succeeded());
-		$this->assertEquals(\OC_API::RESPOND_UNAUTHORISED, $result->getStatusCode());
+		$this->assertEquals(\OCP\API::RESPOND_UNAUTHORISED, $result->getStatusCode());
 
 	}
 
diff --git a/apps/provisioning_api/tests/userstest.php b/apps/provisioning_api/tests/userstest.php
index f06f853ee1fce63f967be1e47a6feffe97772c5a..b7e83a3c4fe49b33b18ae72f2285ba24b8500b5a 100644
--- a/apps/provisioning_api/tests/userstest.php
+++ b/apps/provisioning_api/tests/userstest.php
@@ -101,7 +101,7 @@ class UsersTest extends TestCase {
 		$result = \OCA\provisioning_API\Users::getUser($params);
 		$this->assertInstanceOf('OC_OCS_Result', $result);
 		$this->assertFalse($result->succeeded());
-		$this->assertEquals(\OC_API::RESPOND_NOT_FOUND, $result->getStatusCode());
+		$this->assertEquals(\OCP\API::RESPOND_NOT_FOUND, $result->getStatusCode());
 
 	}
 
diff --git a/lib/private/api.php b/lib/private/api.php
index f8fd4fbb5aaf56cb07a8b97a5964f4e8caed4695..dd50162f03e73a436426d488979ce113beba912b 100644
--- a/lib/private/api.php
+++ b/lib/private/api.php
@@ -188,7 +188,7 @@ class OC_API {
 			// Which shipped response do we use if they all failed?
 			// They may have failed for different reasons (different status codes)
 			// Which response code should we return?
-			// Maybe any that are not OC_API::RESPOND_SERVER_ERROR
+			// Maybe any that are not \OCP\API::RESPOND_SERVER_ERROR
 			// Merge failed responses if more than one
 			$data = array();
 			foreach($shipped['failed'] as $failure) {
@@ -400,7 +400,7 @@ class OC_API {
 	 * Based on the requested format the response content type is set
 	 */
 	public static function setContentType() {
-		$format = \OC_API::requestedFormat();
+		$format = self::requestedFormat();
 		if ($format === 'xml') {
 			header('Content-type: text/xml; charset=UTF-8');
 			return;
diff --git a/ocs/routes.php b/ocs/routes.php
index 2a8fe5dc2afc129a05a1029df546123b94b6260b..751a16d538e35eebed2f062c6fa29671d83aa732 100644
--- a/ocs/routes.php
+++ b/ocs/routes.php
@@ -23,109 +23,111 @@
  *
  */
 
+use OCP\API;
+
 // Config
-OC_API::register(
+API::register(
 	'get',
 	'/config',
 	array('OC_OCS_Config', 'apiConfig'),
 	'core',
-	OC_API::GUEST_AUTH
+	API::GUEST_AUTH
 	);
 // Person
-OC_API::register(
+API::register(
 	'post',
 	'/person/check',
 	array('OC_OCS_Person', 'check'),
 	'core',
-	OC_API::GUEST_AUTH
+	API::GUEST_AUTH
 	);
 // Privatedata
-OC_API::register(
+API::register(
 	'get',
 	'/privatedata/getattribute',
 	array('OC_OCS_Privatedata', 'get'),
 	'core',
-	OC_API::USER_AUTH,
+	API::USER_AUTH,
 	array('app' => '', 'key' => '')
 	);
-OC_API::register(
+API::register(
 	'get',
 	'/privatedata/getattribute/{app}',
 	array('OC_OCS_Privatedata', 'get'),
 	'core',
-	OC_API::USER_AUTH,
+	API::USER_AUTH,
 	array('key' => '')
 	);
-OC_API::register(
+API::register(
 	'get',
 	'/privatedata/getattribute/{app}/{key}',
 	array('OC_OCS_Privatedata', 'get'),
 	'core',
-	OC_API::USER_AUTH
+	API::USER_AUTH
 	);
-OC_API::register(
+API::register(
 	'post',
 	'/privatedata/setattribute/{app}/{key}',
 	array('OC_OCS_Privatedata', 'set'),
 	'core',
-	OC_API::USER_AUTH
+	API::USER_AUTH
 	);
-OC_API::register(
+API::register(
 	'post',
 	'/privatedata/deleteattribute/{app}/{key}',
 	array('OC_OCS_Privatedata', 'delete'),
 	'core',
-	OC_API::USER_AUTH
+	API::USER_AUTH
 	);
 // cloud
-OC_API::register(
+API::register(
 	'get',
 	'/cloud/capabilities',
 	array('OC_OCS_Cloud', 'getCapabilities'),
 	'core',
-	OC_API::USER_AUTH
+	API::USER_AUTH
 	);
-OC_API::register(
+API::register(
 	'get',
 	'/cloud/users/{userid}',
 	array('OC_OCS_Cloud', 'getUser'),
 	'core',
-	OC_API::USER_AUTH
+	API::USER_AUTH
 );
-OC_API::register(
+API::register(
 	'get',
 	'/cloud/user',
 	array('OC_OCS_Cloud', 'getCurrentUser'),
 	'core',
-	OC_API::USER_AUTH
+	API::USER_AUTH
 );
 
 // Server-to-Server Sharing
 $s2s = new \OCA\Files_Sharing\API\Server2Server();
-OC_API::register('post',
+API::register('post',
 		'/cloud/shares',
 		array($s2s, 'createShare'),
 		'files_sharing',
-		OC_API::GUEST_AUTH
+		API::GUEST_AUTH
 );
 
-OC_API::register('post',
+API::register('post',
 		'/cloud/shares/{id}/accept',
 		array($s2s, 'acceptShare'),
 		'files_sharing',
-		OC_API::GUEST_AUTH
+		API::GUEST_AUTH
 );
 
-OC_API::register('post',
+API::register('post',
 		'/cloud/shares/{id}/decline',
 		array($s2s, 'declineShare'),
 		'files_sharing',
-		OC_API::GUEST_AUTH
+		API::GUEST_AUTH
 );
 
-OC_API::register('post',
+API::register('post',
 		'/cloud/shares/{id}/unshare',
 		array($s2s, 'unshare'),
 		'files_sharing',
-		OC_API::GUEST_AUTH
+		API::GUEST_AUTH
 );