diff --git a/xml/dtd/servicebreakdown.xsd b/xml/dtd/servicebreakdown.xsd
deleted file mode 100644
index 9fd68fc..0000000
--- a/xml/dtd/servicebreakdown.xsd
+++ /dev/null
@@ -1,72 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
-  <xs:import namespace="http://www.w3.org/XML/1998/namespace"
-    schemaLocation="http://www.w3.org/2001/xml.xsd"/>
-  <xs:import namespace="http://www.w3.org/2001/XInclude"
-    schemaLocation="http://www.w3.org/2001/XInclude/XInclude.xsd"/>
-  <xs:element name="breakdown">
-    <xs:complexType>
-      <xs:choice maxOccurs="unbounded">
-        <xs:element ref="service"/>
-        <xs:element ref="extra"/>
-      </xs:choice>
-      <xs:attributeGroup ref="xml:specialAttrs"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="service">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element ref="description"/>
-        <xs:element minOccurs="0" ref="effort"/>
-        <xs:element minOccurs="0" ref="hourly_rate"/>
-        <xs:element ref="fee"/>
-      </xs:sequence>
-      <xs:attribute name="optional" type="xs:NCName"/>
-    </xs:complexType>
-  </xs:element>  
-  <xs:element name="fee">
-    <xs:complexType mixed="true">
-      <xs:choice minOccurs="0" maxOccurs="unbounded">
-        <xs:element ref="max"/>
-        <xs:element ref="min"/>
-        <xs:element ref="computed"/>
-      </xs:choice>
-      <xs:attribute name="denomination" use="required">
-        <xs:simpleType>
-          <xs:restriction base="xs:string">
-            <xs:enumeration value="eur"/>
-            <xs:enumeration value="gbp"/>
-            <xs:enumeration value="usd"/>
-          </xs:restriction>
-        </xs:simpleType>
-      </xs:attribute>
-      <xs:attribute name="estimate" type="xs:NCName"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="hourly_rate" type="xs:integer"/>
-  <xs:element name="extra">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element ref="description"/>
-        <xs:element minOccurs="0" ref="effort"/>
-        <xs:element minOccurs="0" ref="hourly_rate"/>
-        <xs:element ref="fee"/>
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="description" type="xs:string"/>
-  <xs:element name="effort">
-    <xs:complexType mixed="true">
-      <xs:all minOccurs="0">
-        <xs:element ref="max"/>
-        <xs:element ref="min"/>
-      </xs:all>
-      <xs:attribute name="in" use="required" type="xs:NCName"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="computed">
-    <xs:complexType/>
-  </xs:element>
-  <xs:element name="min" type="xs:integer"/>
-  <xs:element name="max" type="xs:integer"/>
-</xs:schema>