diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/check_missing_mandatory_coll_fields.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/check_missing_mandatory_coll_fields.sparql
index e75aba5..9ad015d 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/check_missing_mandatory_coll_fields.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/check_missing_mandatory_coll_fields.sparql
@@ -103,13 +103,6 @@ SELECT * WHERE {
             ?s	aocat:has_type ?type .
         }
     }
-    UNION{
-        ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Collection> .
-        MINUS {
-            ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Collection> .
-            ?s	aocat:has_temporal_coverage ?temporalCoverage .
-        }
-    }
 
 }
     FILTER(?g != <https://ariadne-infrastructure.eu/api_________::ariadne_plus::ads::collSubjects>)