diff --git a/wash/src/wash/control/Settings.java b/wash/src/wash/control/Settings.java
index c5bd535..733582c 100644
--- a/wash/src/wash/control/Settings.java
+++ b/wash/src/wash/control/Settings.java
@@ -1,6 +1,6 @@
 package wash.control;
 
-interface Settings {
+public interface Settings {
     // simulation speed-up factor: 50 means the simulation is 50 times faster than
     // real time. Modify this as you wish.
     int SPEEDUP = 50;
diff --git a/wash/src/wash/control/Wash.java b/wash/src/wash/control/Wash.java
index 086ed44..3e3ee2a 100644
--- a/wash/src/wash/control/Wash.java
+++ b/wash/src/wash/control/Wash.java
@@ -2,6 +2,7 @@ package wash.control;
 
 import actor.ActorThread;
 import wash.io.WashingIO;
+import wash.program.*;
 import wash.simulation.WashingSimulator;
 
 public class Wash {
@@ -29,9 +30,9 @@ public class Wash {
             // if the user presses button 0, and a program has been started, stop it
 
             switch (n) {
-                case 0 -> t = new WashingProgram0(io, temp, water, spin);
+                case 0 -> t = new WashingProgramN(io, temp, water, spin);
                 case 1 -> t = new WashingProgram1(io, temp, water, spin);
-                case 2 -> t = new WashingProgram1(io, temp, water, spin);
+                case 2 -> t = new WashingProgram2(io, temp, water, spin);
                 case 3 -> t = new WashingProgram3(io, temp, water, spin);
                 default -> {
                     System.out.println("Invalid program number");
diff --git a/wash/src/wash/control/WashingMessage.java b/wash/src/wash/control/WashingMessage.java
index 2fe4dd1..31cafde 100644
--- a/wash/src/wash/control/WashingMessage.java
+++ b/wash/src/wash/control/WashingMessage.java
@@ -22,7 +22,9 @@ public final class WashingMessage {
         WATER_IDLE,
         WATER_FILL,
         WATER_DRAIN,
-        ACKNOWLEDGMENT
+        ACKNOWLEDGMENT,
+        /** No operation, allows for prettier switch statements */
+        NOOP
     }
 
     // Who sent the message
diff --git a/wash/src/wash/control/WashingProgram3.java b/wash/src/wash/control/WashingProgram3.java
deleted file mode 100644
index d4e24b8..0000000
--- a/wash/src/wash/control/WashingProgram3.java
+++ /dev/null
@@ -1,79 +0,0 @@
-package wash.control;
-
-import actor.ActorThread;
-import wash.io.WashingIO;
-
-import static wash.control.WashingMessage.Order.*;
-
-/**
- * Program 3 for washing machine. This also serves as an example of how washing
- * programs can be structured.
- * 
- * This short program stops all regulation of temperature and water levels,
- * stops the barrel from spinning, and drains the machine of water.
- * 
- * It can be used after an emergency stop (program 0) or a power failure.
- */
-public class WashingProgram3 extends ActorThread<WashingMessage> {
-
-    private WashingIO io;
-    private ActorThread<WashingMessage> temp;
-    private ActorThread<WashingMessage> water;
-    private ActorThread<WashingMessage> spin;
-    
-    public WashingProgram3(WashingIO io,
-                           ActorThread<WashingMessage> temp,
-                           ActorThread<WashingMessage> water,
-                           ActorThread<WashingMessage> spin) 
-    {
-        this.io = io;
-        this.temp = temp;
-        this.water = water;
-        this.spin = spin;
-    }
-    
-    @Override
-    public void run() {
-        try {
-            System.out.println("washing program 3 started");
-            
-            // Switch off heating
-            temp.send(new WashingMessage(this, TEMP_IDLE));
-            
-            // Wait for temperature controller to acknowledge 
-            WashingMessage ack1 = receive();
-            System.out.println("got " + ack1);
-
-            // Drain barrel, which may take some time. To ensure the barrel
-            // is drained before we continue, an acknowledgment is required.
-            water.send(new WashingMessage(this, WATER_DRAIN));
-            WashingMessage ack2 = receive();  // wait for acknowledgment
-            System.out.println("got " + ack2);
-
-            // Now that the barrel is drained, we can turn off water regulation.
-            water.send(new WashingMessage(this, WATER_IDLE));
-            WashingMessage ack3 = receive();  // wait for acknowledgment
-            System.out.println("got " + ack3);
-
-            // Switch off spin. We expect an acknowledgment, to ensure
-            // the hatch isn't opened while the barrel is spinning.
-            spin.send(new WashingMessage(this, SPIN_OFF));
-            WashingMessage ack4 = receive();  // wait for acknowledgment
-            System.out.println("got " + ack4);
-
-            // Unlock hatch
-            io.lock(false);
-            
-            System.out.println("washing program 3 finished");
-        } catch (InterruptedException e) {
-            
-            // If we end up here, it means the program was interrupt()'ed:
-            // set all controllers to idle
-
-            temp.send(new WashingMessage(this, TEMP_IDLE));
-            water.send(new WashingMessage(this, WATER_IDLE));
-            spin.send(new WashingMessage(this, SPIN_OFF));
-            System.out.println("washing program terminated");
-        }
-    }
-}