diff --git a/src/Symfony/Component/DependencyInjection/Loader/schema/dic/services/services-1.0.xsd b/src/Symfony/Component/DependencyInjection/Loader/schema/dic/services/services-1.0.xsd
index 55fd18162b798..d87e0ef196425 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/schema/dic/services/services-1.0.xsd
+++ b/src/Symfony/Component/DependencyInjection/Loader/schema/dic/services/services-1.0.xsd
@@ -86,7 +86,6 @@
     <xsd:choice minOccurs="0" maxOccurs="1">
       <xsd:element name="service" type="service" minOccurs="0" maxOccurs="1" />
     </xsd:choice>
-    <xsd:attribute name="id" type="xsd:string" />
     <xsd:attribute name="service" type="xsd:string" />
     <xsd:attribute name="class" type="xsd:string" />
     <xsd:attribute name="method" type="xsd:string" />