diff --git a/arduino-core/.classpath b/arduino-core/.classpath
index 96ee7b242..9bc707f56 100644
--- a/arduino-core/.classpath
+++ b/arduino-core/.classpath
@@ -11,9 +11,6 @@
 	<classpathentry kind="lib" path="lib/jssc-2.8.0-arduino1.jar"/>
 	<classpathentry kind="lib" path="lib/jsch-0.1.50.jar"/>
 	<classpathentry kind="lib" path="lib/commons-exec-1.1.jar"/>
-	<classpathentry kind="lib" path="../app/lib/commons-codec-1.7.jar"/>
-	<classpathentry kind="lib" path="../app/lib/commons-compress-1.8.jar"/>
-	<classpathentry kind="lib" path="../app/lib/commons-exec-1.1.jar"/>
 	<classpathentry kind="lib" path="../app/lib/commons-httpclient-3.1.jar"/>
 	<classpathentry kind="lib" path="lib/bcpg-jdk15on-152.jar"/>
 	<classpathentry kind="lib" path="lib/bcprov-jdk15on-152.jar"/>