diff --git a/plugins/_PuckDetection.java b/plugins/_PuckDetection.java
deleted file mode 100644
index 8edf011..0000000
--- a/plugins/_PuckDetection.java
+++ /dev/null
@@ -1,169 +0,0 @@
-
-import ch.psi.pshell.device.DeviceBase;
-import ch.psi.utils.Arr;
-import ch.psi.utils.Chrono;
-import ch.psi.utils.State;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.logging.Level;
-
-
-public class PuckDetection extends DeviceBase{
-    public static final int PUCKS_NUMBER = 30;
-    final String server;
-    public volatile Chrono chrono;
-    
-    public PuckDetection(String name, String server){
-        super(name);
-        this.server = server.startsWith("tcp://") ? server : "tcp://" + server;
-    }
-
-    
-    public static class PuckState{
-        public boolean online;
-        public boolean mecSwitch;
-        public boolean indSwitch;
-        
-        void clear(){
-            online = false;
-            mecSwitch = false;
-            indSwitch = false;            
-        }
-        void set(boolean mecSwitch, boolean indSwitch){
-            online = true;
-            this.mecSwitch = mecSwitch;
-            this.indSwitch = indSwitch;            
-        }
-        
-        @Override
-        public String toString(){
-            return "Online = " + online + "\ns1 = " + mecSwitch+ "\ns2 = " + indSwitch;
-        }
-    }
-    
-    PuckState[] pucks;
-    public PuckState[] getPucks(){
-        return pucks;
-    }
-    
-    //From 1 to PUCKS_NUMBER
-    public PuckState getPuck(int id) throws Exception{
-        assertInitialized();
-        if ((id<=0) || (id>PUCKS_NUMBER)){
-            throw new Exception("invalid puck id: "+ id);
-        }
-        return pucks[id-1];
-    }
-    
-    
-    Thread thread;
-    Thread watchDog;
-    
-    @Override
-    protected void doInitialize() throws IOException, InterruptedException{
-        doClose();
-        super.doInitialize();        
-        pucks = new PuckState[PUCKS_NUMBER];
-        for (int i=0; i<PUCKS_NUMBER; i++ ){
-            pucks[i] = new PuckState();
-        }
-        chrono = new Chrono();
-        thread = new Thread(new Runnable() {
-            @Override
-            public void run() {
-                subscriberTask();
-            }
-        });
-        thread.setDaemon(true);
-        thread.start();
-        
-        watchDog = new Thread(new Runnable() {
-            @Override
-            public void run() {
-                try{
-                    while (!Thread.currentThread().isInterrupted()) {
-                        if (chrono.isTimeout(3000)){
-                            setState(State.Offline);
-                            for (PuckState puck:pucks){
-                                puck.clear();
-                            }                    
-                        }
-                        Thread.sleep(1000);
-                    }
-                } catch (Exception ex){
-                    getLogger().log(Level.INFO, null, ex);
-                }
-            }
-        });
-        watchDog.setDaemon(true);
-        watchDog.start();        
-    }
-    
-    
-    void subscriberTask(){
-        try{
-            setState(State.Ready);           
-            org.zeromq.ZMQ.Context context = org.zeromq.ZMQ.context(1);
-            org.zeromq.ZMQ.Socket subscriber = context.socket(org.zeromq.ZMQ.SUB);
-            subscriber.connect(server);
-            subscriber.subscribe("Status".getBytes());
-            try{
-                while (!Thread.currentThread().isInterrupted()) {
-                    String type = subscriber.recvStr();
-                    System.out.println(type);
-                    String contents = subscriber.recvStr();
-                    System.out.println(contents);
-                    processMessage(contents);
-                    setState(State.Ready);
-                    chrono = new Chrono();
-                }
-            } finally{
-                for (PuckState puck:pucks){
-                    puck.clear();
-                }
-                subscriber.close();
-                context.term();                                        
-            }
-        } catch (Exception ex){    
-            getLogger().log(Level.INFO, null, ex);
-        }
-        setState(State.Offline);
-    }
-    
-    void processMessage(String msg){        
-        ArrayList<Integer> present = new ArrayList<>();
-        for (String line:msg.split("\t")){
-            try{
-                line = line.trim();
-                String[] tokens = line.split("  ");
-                int id = Integer.valueOf(tokens[0].substring(1));
-                present.add(id);
-                PuckState puck = getPuck(id);
-                if (tokens.length<3){
-                    puck.clear();
-                } else {
-                    puck.set(tokens[1].trim().equals("1"),tokens[2].trim().equals("1"));
-                }
-            } catch (Exception ex){
-                getLogger().log(Level.INFO, null, ex);
-            }
-        }
-        for (int i=1; i<= PUCKS_NUMBER; i++){
-            if (!Arr.containsEqual(present.toArray(), i)){
-                pucks[i-1].clear();
-            }
-        }
-    }
-    
-    @Override
-    protected void doClose(){
-        if (watchDog!=null){
-            watchDog.interrupt();
-            watchDog = null;
-        }
-        if (thread!=null){
-            thread.interrupt();
-            thread = null;
-        }
-    }
-}