https://upsource.labs.intellij.net/IDEA/revision/community-60fb769952151e674a6957b4032af0d9f9d83812?commentId=54a843fa-22e1-4d37-be47-cde95b8687ef

.idea/libraries/commons_io_2_4.xml

@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="commons-io-2.4">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/commons-io-2.4.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$PROJECT_DIR$/lib/commons-io-2.4-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>

lib/required_for_dist.txt

@@ -6,7 +6,6 @@ automaton.jar
 cglib-2.2.2.jar
 cli-parser-1.1.jar
 commons-codec-1.9.jar
-commons-io-2.4.jar
 commons-httpclient-3.1-patched.jar
 commons-logging-1.2.jar
 commons-net-3.3.jar