diff --git a/announcement/plugin.jelly b/announcement/plugin.jelly
index c70fea18..4cdb2ec5 100644
--- a/announcement/plugin.jelly
+++ b/announcement/plugin.jelly
@@ -21,7 +21,6 @@
 <project
   xmlns:j="jelly:core"
   xmlns:x="jelly:xml"
-  xmlns:ant="jelly:ant"
   xmlns:define="jelly:define"
   xmlns:util="jelly:util"
   xmlns:doc="doc"