diff --git a/dev-tools/idea/.idea/libraries/Ant.xml b/dev-tools/idea/.idea/libraries/Ant.xml
deleted file mode 100644
index 57497843866..00000000000
--- a/dev-tools/idea/.idea/libraries/Ant.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<component name="libraryTable">
-  <library name="Ant">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lucene/lib/ant-1.7.1.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>