Index: src/org/openstreetmap/josm/plugins/PluginInformation.java
===================================================================
--- src/org/openstreetmap/josm/plugins/PluginInformation.java	(revision 18439)
+++ src/org/openstreetmap/josm/plugins/PluginInformation.java	(working copy)
@@ -203,7 +203,6 @@
         this.icon = other.icon;
         this.iconPath = other.iconPath;
         this.canloadatruntime = other.canloadatruntime;
-        this.libraries = other.libraries;
         this.attr = new Attributes(other.attr);
         this.invalidManifestEntries.clear();
         this.invalidManifestEntries.addAll(other.invalidManifestEntries);