4 files changed, 4 insertions, 4 deletions
diff --git a/lib/public/User/Backend/ICheckPasswordBackend.php b/lib/public/User/Backend/ICheckPasswordBackend.php
index 62a7f6e27c4..858c2d8c7da 100644
--- a/lib/public/User/Backend/ICheckPasswordBackend.php
+++ b/lib/public/User/Backend/ICheckPasswordBackend.php
@@ -31,5 +31,5 @@ interface ICheckPasswordBackend {
 	/**
 	 * @since 14.0.0
 	 */
-	public function checkPassword(string $loginName, string $password): string;
+	public function checkPassword(string $loginName, string $password);
 }
diff --git a/lib/public/User/Backend/ICountUsersBackend.php b/lib/public/User/Backend/ICountUsersBackend.php
index c7f6a102b74..358557920da 100644
--- a/lib/public/User/Backend/ICountUsersBackend.php
+++ b/lib/public/User/Backend/ICountUsersBackend.php
@@ -32,5 +32,5 @@ interface ICountUsersBackend {
 	/**
 	 * @since 14.0.0
 	 */
-	public function countUsers(): int;
+	public function countUsers();
 }
diff --git a/lib/public/User/Backend/IGetDisplayNameBackend.php b/lib/public/User/Backend/IGetDisplayNameBackend.php
index 403f5afce53..f703e17157a 100644
--- a/lib/public/User/Backend/IGetDisplayNameBackend.php
+++ b/lib/public/User/Backend/IGetDisplayNameBackend.php
@@ -32,5 +32,5 @@ interface IGetDisplayNameBackend {
 	/**
 	 * @since 14.0.0
 	 */
-	public function getDisplayName(string $uid): string;
+	public function getDisplayName($uid): string;
 }
diff --git a/lib/public/User/Backend/IGetHomeBackend.php b/lib/public/User/Backend/IGetHomeBackend.php
index 3f19c1246a8..607070932e8 100644
--- a/lib/public/User/Backend/IGetHomeBackend.php
+++ b/lib/public/User/Backend/IGetHomeBackend.php
@@ -32,5 +32,5 @@ interface IGetHomeBackend {
 	/**
 	 * @since 14.0.0
 	 */
-	public function getHome(string $uid): string;
+	public function getHome(string $uid);
 }