diff --git a/lib/unstable/Sharing/ISharingBackend.php b/lib/unstable/Sharing/ISharingBackend.php
index 42970c84be7..a4cb1401dd9 100644
--- a/lib/unstable/Sharing/ISharingBackend.php
+++ b/lib/unstable/Sharing/ISharingBackend.php
@@ -117,7 +117,7 @@ interface ISharingBackend {
 	 * Insert a property for a share.
 	 *
 	 * @throws ShareNotFoundException
-	 * @since 35.0.0
+	 * @experimental 35.0.0
 	 */
 	public function createShareProperty(string $id, ShareProperty $property): void;
 
@@ -133,7 +133,7 @@ interface ISharingBackend {
 	 * Insert a permission for a share.
 	 *
 	 * @throws ShareNotFoundException
-	 * @since 35.0.0
+	 * @experimental 35.0.0
 	 */
 	public function createSharePermission(string $id, SharePermission $permission): void;
 
diff --git a/lib/unstable/Sharing/ISharingManager.php b/lib/unstable/Sharing/ISharingManager.php
index 2060f85d003..21128680aae 100644
--- a/lib/unstable/Sharing/ISharingManager.php
+++ b/lib/unstable/Sharing/ISharingManager.php
@@ -153,7 +153,7 @@ interface ISharingManager {
 	/**
 	 * @param class-string<ISharePropertyType> $propertyTypeClass
 	 * @throws ShareNotFoundException
-	 * @since 35.0.0
+	 * @experimental 35.0.0
 	 */
 	public function createSharePropertyDefaultValue(Share $share, string $propertyTypeClass): Share;
 
@@ -170,7 +170,7 @@ interface ISharingManager {
 	/**
 	 * @param class-string<ISharePermissionType> $permissionTypeClass
 	 * @throws ShareNotFoundException
-	 * @since 35.0.0
+	 * @experimental 35.0.0
 	 */
 	public function createSharePermissionDefaultValue(Share $share, string $permissionTypeClass): Share;