diff --git a/addons/userrights/userrightsprofile.class.inc.php b/addons/userrights/userrightsprofile.class.inc.php
index f85bf16ff..244c8f92f 100644
--- a/addons/userrights/userrightsprofile.class.inc.php
+++ b/addons/userrights/userrightsprofile.class.inc.php
@@ -831,9 +831,6 @@ class SetupProfiles
 		}
 		foreach ($aWriteableClasses as $sClass => $foo)
 		{
-			// Skip non instantiable classes
-			if (MetaModel::IsAbstract($sClass)) continue;
-
 			if (!MetaModel::IsValidClass($sClass))
 			{
 				throw new CoreException("Invalid class name '$sClass'");