@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.21; September 24, 2015">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.20; September 3, 2015">
   <xs:element name="ReleaseSet" type="ReleaseType"/>
   <xs:element name="ClinVarSet" type="PublicSetType">
     <xs:annotation>
@@ -889,7 +889,6 @@
                           <xs:enumeration value="FamilyHistory"/>
                           <xs:enumeration value="NumFamiliesWithVariant"/>
                           <xs:enumeration value="NumFamiliesWithSegregationObserved"/>
-                          <xs:enumeration value="SegregationObserved"/>
                         </xs:restriction>
                       </xs:simpleType>
                     </xs:attribute>
@@ -923,7 +922,6 @@
     <xs:attribute name="NumFamiliesWithVariant" type="xs:int" use="optional"/>
     <xs:attribute name="NumFamiliesWithSegregationObserved" type="xs:int" use="optional"/>
     <xs:attribute name="PedigreeID" type="xs:string" use="optional"/>
-    <xs:attribute name="SegregationObserved" type="xs:string" use="optional"/>
   </xs:complexType>
   <xs:complexType name="SampleType">
     <xs:sequence>