diff --git a/proposal/myrmidon/src/manifest/builtin-ant-descriptor.xml b/proposal/myrmidon/src/manifest/builtin-ant-descriptor.xml
deleted file mode 100644
index 8d6d02e91..000000000
--- a/proposal/myrmidon/src/manifest/builtin-ant-descriptor.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<ant-lib version="1.0">
-
-    <types>
-
-        <listener name="default" classname="org.apache.myrmidon.listeners.DefaultProjectListener"/>
-        <listener name="classic" classname="org.apache.myrmidon.listeners.ClassicProjectListener"/>
-        <listener name="noprefix" classname="org.apache.myrmidon.listeners.NoPrefixProjectListener"/>
-        <aspect name="noop" classname="org.apache.myrmidon.aspects.NoopAspectHandler"/>
-        <project-builder name="ant" classname="org.apache.myrmidon.components.builder.DefaultProjectBuilder"/>
-        <project-builder name="xml" classname="org.apache.myrmidon.components.builder.DefaultProjectBuilder"/>
-        <project-builder name="ati" classname="org.apache.myrmidon.components.builder.ATIProjectBuilder"/>
-
-        <configurer name="default" classname="org.apache.myrmidon.components.configurer.DefaultConfigurer"/>
-        <configurer name="classic" classname="org.apache.myrmidon.components.configurer.ClassicConfigurer"/>
-
-        <!-- basic tasks/datatypes/coverters required in most environments -->
-        <task name="pattern" classname="org.apache.myrmidon.framework.TypeInstanceTask" />
-        <data-type name="pattern" classname="org.apache.myrmidon.framework.Pattern" />
-
-    </types>
-
-</ant-lib>
\ No newline at end of file
diff --git a/proposal/myrmidon/src/manifest/builtin-ant-roles.xml b/proposal/myrmidon/src/manifest/builtin-ant-roles.xml
deleted file mode 100644
index c34bfd45a..000000000
--- a/proposal/myrmidon/src/manifest/builtin-ant-roles.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<roles version="1.0">
-    <role shorthand="task" name="org.apache.myrmidon.api.Task"/>
-    <role shorthand="data-type" name="org.apache.myrmidon.framework.DataType"/>
-    <role shorthand="listener" name="org.apache.myrmidon.listeners.ProjectListener"/>
-    <role shorthand="aspect" name="org.apache.myrmidon.aspects.AspectHandler"/>
-    <role shorthand="project-builder" name="org.apache.myrmidon.interfaces.builder.ProjectBuilder"/>
-    <role shorthand="converter" name="org.apache.aut.converter.Converter"/>
-    <role shorthand="configurer" name="org.apache.myrmidon.interfaces.configurer.Configurer"/>
-    <role shorthand="exec-manager" name="org.apache.aut.nativelib.ExecManager"/>
-    <role shorthand="file-system-manager" name="org.apache.aut.vfs.FileSystemManager"/>
-</roles>
\ No newline at end of file
diff --git a/proposal/myrmidon/src/manifest/selftest-ant-descriptor.xml b/proposal/myrmidon/src/manifest/selftest-ant-descriptor.xml
deleted file mode 100644
index 002fc60a3..000000000
--- a/proposal/myrmidon/src/manifest/selftest-ant-descriptor.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<ant-lib version="1.0">
-  <types>
-    <!-- tasks to test operation of engine -->
-    <task name="prim-test" classname="org.apache.antlib.selftest.PrimitiveTypesTest" />
-    <task name="extensions-test" classname="org.apache.antlib.selftest.ExtensionsTest" />
-  </types>
-</ant-lib>
\ No newline at end of file