diff --git a/org.zkoss.zk.library/.classpath b/org.zkoss.zk.library/.classpath
index 243a2478a7..6d5d734ca0 100644
--- a/org.zkoss.zk.library/.classpath
+++ b/org.zkoss.zk.library/.classpath
@@ -31,9 +31,9 @@
 	<classpathentry exported="true" kind="lib" path="lib/zk-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/zk.jar" sourcepath="lib/zk-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/zkex-sources.jar"/>
-	<classpathentry exported="true" kind="lib" path="lib/zkex.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/zkex.jar" sourcepath="lib/zkex-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/zkmax-sources.jar"/>
-	<classpathentry exported="true" kind="lib" path="lib/zkmax.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/zkmax.jar" sourcepath="lib/zkmax-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/zkplus-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/zkplus.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/zml-sources.jar"/>
diff --git a/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator$Resource.class b/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator$Resource.class
deleted file mode 100644
index bc840818eb..0000000000
Binary files a/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator$Resource.class and /dev/null differ
diff --git a/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator$XMLResource.class b/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator$XMLResource.class
deleted file mode 100644
index 621e2cac22..0000000000
Binary files a/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator$XMLResource.class and /dev/null differ
diff --git a/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator.class b/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator.class
deleted file mode 100644
index 3b36a95b82..0000000000
Binary files a/org.zkoss.zk.library/bin/org/zkoss/util/resource/ClassLocator.class and /dev/null differ
diff --git a/org.zkoss.zk.library/bin/org/zkoss/zk/library/Activator.class b/org.zkoss.zk.library/bin/org/zkoss/zk/library/Activator.class
deleted file mode 100644
index 1500367058..0000000000
Binary files a/org.zkoss.zk.library/bin/org/zkoss/zk/library/Activator.class and /dev/null differ