diff --git a/data/tbox.ttl b/data/tbox.ttl
index 1348af7..810accc 100644
--- a/data/tbox.ttl
+++ b/data/tbox.ttl
@@ -62,12 +62,10 @@
 :successorOfConsole          rdfs:subPropertyOf  :relatedToConsole .
 
 # rdfs:subClassOf
-:PortableGameConsole2    rdf:type        rdfs:Class .
 :PortableGameConsole    rdf:type        rdfs:Class .
 :GameConsole            rdf:type        rdfs:Class .
 :PortableGameConsole    rdfs:subClassOf :GameConsole .
 
-
 :HomeConsole owl:equivalentClass [
   rdf:type owl:Class ;
   owl:intersectionOf (