diff --git a/xml/saml-schema-assertion-2.0.xsd b/xml/saml-schema-assertion-2.0.xsd
index 6aa3b27d..478ddfa9 100644
--- a/xml/saml-schema-assertion-2.0.xsd
+++ b/xml/saml-schema-assertion-2.0.xsd
@@ -10,9 +10,9 @@
     blockDefault="substitution"
     version="2.0">
     <import namespace="http://www.w3.org/2000/09/xmldsig#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd"/>
+        schemaLocation="xmldsig-core-schema.xsd"/>
     <import namespace="http://www.w3.org/2001/04/xmlenc#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/xenc-schema.xsd"/>
+        schemaLocation="xenc-schema.xsd"/>
     <annotation>
         <documentation>
             Document identifier: saml-schema-assertion-2.0
diff --git a/xml/saml-schema-metadata-2.0.xsd b/xml/saml-schema-metadata-2.0.xsd
index 0d158c0b..f48c352c 100644
--- a/xml/saml-schema-metadata-2.0.xsd
+++ b/xml/saml-schema-metadata-2.0.xsd
@@ -11,13 +11,13 @@
     blockDefault="substitution"
     version="2.0">
     <import namespace="http://www.w3.org/2000/09/xmldsig#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd"/>
+        schemaLocation="xmldsig-core-schema.xsd"/>
     <import namespace="http://www.w3.org/2001/04/xmlenc#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/xenc-schema.xsd"/>
+        schemaLocation="xenc-schema.xsd"/>
     <import namespace="urn:oasis:names:tc:SAML:2.0:assertion"
         schemaLocation="saml-schema-assertion-2.0.xsd"/>
     <import namespace="http://www.w3.org/XML/1998/namespace"
-        schemaLocation="http://www.w3.org/2001/xml.xsd"/>
+        schemaLocation="xml.xsd"/>
     <annotation>
         <documentation>
             Document identifier: saml-schema-metadata-2.0
diff --git a/xml/sstc-saml-metadata-ui-v1.0.xsd b/xml/sstc-saml-metadata-ui-v1.0.xsd
index c324af79..3deedab7 100644
--- a/xml/sstc-saml-metadata-ui-v1.0.xsd
+++ b/xml/sstc-saml-metadata-ui-v1.0.xsd
@@ -25,7 +25,7 @@
   <import namespace="urn:oasis:names:tc:SAML:2.0:metadata"
     schemaLocation="saml-schema-metadata-2.0.xsd"/>
   <import namespace="http://www.w3.org/XML/1998/namespace"
-    schemaLocation="http://www.w3.org/2001/xml.xsd"/>
+    schemaLocation="xml.xsd"/>
 
   <element name="UIInfo" type="mdui:UIInfoType" />
   <complexType name="UIInfoType">