diff --git a/xml/xenc-schema-11.xsd b/xml/xenc-schema-11.xsd
index 3da11f89..1abb6437 100644
--- a/xml/xenc-schema-11.xsd
+++ b/xml/xenc-schema-11.xsd
@@ -14,18 +14,6 @@
 #
 -->
 
-<!DOCTYPE schema  PUBLIC "-//W3C//DTD XMLSchema 200102//EN"
- "http://www.w3.org/2001/XMLSchema.dtd"
- [
-	<!ATTLIST schema
-     xmlns:xenc CDATA #FIXED 'http://www.w3.org/2001/04/xmlenc#'
-     xmlns:ds CDATA #FIXED 'http://www.w3.org/2000/09/xmldsig#'
-     xmlns:xenc11 CDATA #FIXED 'http://www.w3.org/2009/xmlenc11#'>
-	<!ENTITY xenc 'http://www.w3.org/2001/04/xmlenc#'>
-	<!ENTITY % p ''>
-	<!ENTITY % s ''>
-]>
-
 <schema xmlns='http://www.w3.org/2001/XMLSchema' version='1.0'
         xmlns:xenc='http://www.w3.org/2001/04/xmlenc#'
         xmlns:xenc11='http://www.w3.org/2009/xmlenc11#'
diff --git a/xml/xenc-schema.xsd b/xml/xenc-schema.xsd
index 967e3451..cdfc8333 100644
--- a/xml/xenc-schema.xsd
+++ b/xml/xenc-schema.xsd
@@ -14,17 +14,6 @@
 #
 -->
 
-<!DOCTYPE schema  PUBLIC "-//W3C//DTD XMLSchema 200102//EN"
- "http://www.w3.org/2001/XMLSchema.dtd"
- [
-   <!ATTLIST schema
-     xmlns:xenc CDATA #FIXED 'http://www.w3.org/2001/04/xmlenc#'
-     xmlns:ds CDATA #FIXED 'http://www.w3.org/2000/09/xmldsig#'>
-   <!ENTITY xenc 'http://www.w3.org/2001/04/xmlenc#'>
-   <!ENTITY % p ''>
-   <!ENTITY % s ''>
-  ]>
-
 <schema xmlns='http://www.w3.org/2001/XMLSchema' version='1.0'
         xmlns:xenc='http://www.w3.org/2001/04/xmlenc#'
         xmlns:ds='http://www.w3.org/2000/09/xmldsig#'
diff --git a/xml/xmldsig-core-schema.xsd b/xml/xmldsig-core-schema.xsd
index 8e556264..07aad278 100644
--- a/xml/xmldsig-core-schema.xsd
+++ b/xml/xmldsig-core-schema.xsd
@@ -1,13 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE schema
- [
-   <!ATTLIST schema 
-     xmlns:ds CDATA #FIXED "http://www.w3.org/2000/09/xmldsig#">
-   <!ENTITY dsig 'http://www.w3.org/2000/09/xmldsig#'>
-   <!ENTITY % p ''>
-   <!ENTITY % s ''>
-  ]>
-
 <!-- Schema for XML Signatures
     http://www.w3.org/2000/09/xmldsig#
     $Revision: 1.1 $ on $Date: 2005/03/16 17:40:08 $ by $Author: iay $