diff --git a/bin/net/grosinger/nomads/sampleDrone/SampleDrone.class b/bin/net/grosinger/nomads/sampleDrone/SampleDrone.class
index 97a5c35..be123c4 100644
Binary files a/bin/net/grosinger/nomads/sampleDrone/SampleDrone.class and b/bin/net/grosinger/nomads/sampleDrone/SampleDrone.class differ
diff --git a/src/net/grosinger/nomads/sampleDrone/SampleDrone.java b/src/net/grosinger/nomads/sampleDrone/SampleDrone.java
index 7a2dc5b..e2f651b 100644
--- a/src/net/grosinger/nomads/sampleDrone/SampleDrone.java
+++ b/src/net/grosinger/nomads/sampleDrone/SampleDrone.java
@@ -78,9 +78,4 @@ public class SampleDrone implements Drone {
 	public NeighborDrone attack() {
 		return null;
 	}
-
-	@Override
-	public Upgrade upgrade() {
-		return null;
-	}
 }