2 files changed, 12 insertions, 28 deletions

diff --git a/lib/private/TemplateLayout.php b/lib/private/TemplateLayout.php
index 82bd0fd22e7..16d4423838b 100644
--- a/lib/private/TemplateLayout.php
+++ b/lib/private/TemplateLayout.php
@@ -52,6 +52,7 @@ use OCP\Defaults;
 use OCP\IConfig;
 use OCP\IInitialStateService;
 use OCP\INavigationManager;
+use OCP\IUserSession;
 use OCP\Support\Subscription\IRegistry;
 use OCP\Util;
 
@@ -121,7 +122,12 @@ class TemplateLayout extends \OC_Template {
 					break;
 				}
 			}
-			$userDisplayName = \OC_User::getDisplayName();
+
+			$userDisplayName = false;
+			$user = \OC::$server->get(IUserSession::class)->getUser();
+			if ($user) {
+				$userDisplayName = $user->getDisplayName();
+			}
 			$this->assign('user_displayname', $userDisplayName);
 			$this->assign('user_uid', \OC_User::getUser());
 
@@ -152,7 +158,11 @@ class TemplateLayout extends \OC_Template {
 			\OC_Util::addStyle('guest');
 			$this->assign('bodyid', 'body-login');
 
-			$userDisplayName = \OC_User::getDisplayName();
+			$userDisplayName = false;
+			$user = \OC::$server->get(IUserSession::class)->getUser();
+			if ($user) {
+				$userDisplayName = $user->getDisplayName();
+			}
 			$this->assign('user_displayname', $userDisplayName);
 			$this->assign('user_uid', \OC_User::getUser());
 		} elseif ($renderAs === TemplateResponse::RENDER_AS_PUBLIC) {
diff --git a/lib/private/legacy/OC_User.php b/lib/private/legacy/OC_User.php
index dd97fb63e33..f955c5c6938 100644
--- a/lib/private/legacy/OC_User.php
+++ b/lib/private/legacy/OC_User.php
@@ -329,32 +329,6 @@ class OC_User {
 	}
 
 	/**
-	 * get the display name of the user currently logged in.
-	 *
-	 * @param string $uid
-	 * @return string|bool uid or false
-	 * @deprecated 8.1.0 fetch \OCP\IUser (has getDisplayName()) by using method
-	 *                   get() of \OCP\IUserManager - \OC::$server->getUserManager()
-	 */
-	public static function getDisplayName($uid = null) {
-		if ($uid) {
-			$user = \OC::$server->getUserManager()->get($uid);
-			if ($user) {
-				return $user->getDisplayName();
-			} else {
-				return $uid;
-			}
-		} else {
-			$user = \OC::$server->getUserSession()->getUser();
-			if ($user) {
-				return $user->getDisplayName();
-			} else {
-				return false;
-			}
-		}
-	}
-
-	/**
 	 * Set password
 	 *
 	 * @param string $uid The username