@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.18; June 9, 2015">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.17; April 3, 2015">
   <xs:element name="ReleaseSet" type="ReleaseType"/>
   <xs:element name="ClinVarSet" type="PublicSetType">
     <xs:annotation>
@@ -183,7 +183,6 @@
             </xs:simpleType>
           </xs:attribute>
           <xs:attribute name="OrgID" type="xs:int" use="optional"/>
-          <xs:attribute name="OrgAbbreviation" type="xs:string" use="optional"/>
           <xs:attribute name="DateUpdated" type="xs:date"/>
         </xs:complexType>
       </xs:element>
@@ -246,7 +245,6 @@
                           <xs:enumeration value="ClinicalSignificanceHistory"/>
                           <xs:enumeration value="SeverityDescription"/>
                           <xs:enumeration value="AssertionMethod"/>
-                          <xs:enumeration value="TestingLaboratory"/>
                         </xs:restriction>
                       </xs:simpleType>
                     </xs:attribute>
@@ -743,7 +741,6 @@
     <xs:simpleContent>
       <xs:extension base="xs:string">
         <xs:attribute name="SubmitterName" type="xs:string"/>
-        <xs:attribute name="OrgAbbreviation" type="xs:string"/>
         <xs:attribute name="OrgID" type="xs:int"/>
         <xs:attribute name="primary" type="xs:string" use="optional"/>
         <xs:attribute name="category" type="xs:string" use="optional"/>