diff --git a/Lab7- Abstract Classes and Interfaces/.classpath b/Lab7- Abstract Classes and Interfaces/.classpath
index 51a8bbad89682d379e0aadb7bd54d22de601a62f..432a05c67571f024585457aa7973e43488314763 100644
--- a/Lab7- Abstract Classes and Interfaces/.classpath	
+++ b/Lab7- Abstract Classes and Interfaces/.classpath	
@@ -2,5 +2,6 @@
 <classpath>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="lib" path="lib/gson-2.3.1.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/Lab7- Abstract Classes and Interfaces/lib/xmlpull-1.1.3.1.jar b/Lab7- Abstract Classes and Interfaces/lib/xmlpull-1.1.3.1.jar
deleted file mode 100644
index cbc149d0d5559b10c8fc059a5a0efa44796a3662..0000000000000000000000000000000000000000
Binary files a/Lab7- Abstract Classes and Interfaces/lib/xmlpull-1.1.3.1.jar and /dev/null differ
diff --git a/Lab7- Abstract Classes and Interfaces/lib/xstream-1.4.7.jar b/Lab7- Abstract Classes and Interfaces/lib/xstream-1.4.7.jar
deleted file mode 100644
index ea4b6a2816698260acf78555d655cfaa01555413..0000000000000000000000000000000000000000
Binary files a/Lab7- Abstract Classes and Interfaces/lib/xstream-1.4.7.jar and /dev/null differ