diff --git a/schema/projects/he_ipv6.xsd b/schema/projects/he_ipv6.xsd
index 7128213..1d5453b 100644
--- a/schema/projects/he_ipv6.xsd
+++ b/schema/projects/he_ipv6.xsd
@@ -25,7 +25,7 @@
               <xs:element name="tunnel" minOccurs="1" maxOccurs="unbounded" type="e_he_ipv6_tunnel">
                 <xs:unique name="uniq_alloc">
                   <xs:unique name="uniq_alloc_addr">
-                    <xs:selector xpath="heIPv6:tunnel/heIPv6:alloc"/>
+                    <xs:selector xpath="heIPv6:tunnel/alloc"/>
                     <xs:field xpath="."/>
                   </xs:unique>
                 </xs:unique>
@@ -39,10 +39,6 @@
         </xs:element>
       </xs:all>
     </xs:complexType>
-    <xs:unique name="uniq_addr">
-      <xs:selector xpath=""/>
-      <xs:field xpath=""/>
-    </xs:unique>
   </xs:element>
 
 </xs:schema>