diff --git a/arduino-core/.classpath b/arduino-core/.classpath
index c889faaa3..96ee7b242 100644
--- a/arduino-core/.classpath
+++ b/arduino-core/.classpath
@@ -15,12 +15,6 @@
 	<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="../app/lib/jackson-annotations-2.6.3.jar"/>
-	<classpathentry kind="lib" path="../app/lib/jackson-core-2.6.3.jar"/>
-	<classpathentry kind="lib" path="../app/lib/jackson-databind-2.6.3.jar"/>
-	<classpathentry kind="lib" path="../app/lib/jackson-module-mrbean-2.6.3.jar"/>
-	<classpathentry kind="lib" path="../app/lib/bcpg-jdk15on-152.jar"/>
-	<classpathentry kind="lib" path="../app/lib/bcprov-jdk15on-152.jar"/>
 	<classpathentry kind="lib" path="lib/bcpg-jdk15on-152.jar"/>
 	<classpathentry kind="lib" path="lib/bcprov-jdk15on-152.jar"/>
 	<classpathentry kind="lib" path="lib/commons-codec-1.7.jar"/>