diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java
index c1ff61de54460d5a4c50bea0d9435bc11c9070cf..a2a820196e9c08e072147d56dfdba8d1f423514f 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java
@@ -1007,7 +1007,6 @@ public interface ICommonServer extends IServer
     @Transactional
     @RolesAllowed(RoleSet.INSTANCE_ADMIN)
     @DatabaseCreateOrDeleteModification(value = ObjectKind.MATERIAL)
-    public void deleteMaterials(String sessionToken, /* FIXME: add predicate */
-            List<TechId> materialIds, String reason);
+    public void deleteMaterials(String sessionToken, List<TechId> materialIds, String reason);
 
 }