diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java
index e3911b73d8028abf7d1f9b644b824a449ef01ff9..9e6a62235d61b1a1b1677ab9803a474e117e495e 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java
@@ -3578,9 +3578,7 @@ public final class CommonServer extends AbstractCommonServer<ICommonServerForInt
 
     @Override
     @RolesAllowed(RoleWithHierarchy.SPACE_USER)
-    public Metaproject registerMetaproject(String sessionToken,
-            @AuthorizationGuard(guardClass = MetaprojectPredicate.class)
-            Metaproject metaproject)
+    public Metaproject registerMetaproject(String sessionToken, Metaproject metaproject)
     {
         Session session = getSession(sessionToken);