diff --git a/ActionTester.java b/ActionTester.java
deleted file mode 100644
index da1ead6..0000000
--- a/ActionTester.java
+++ /dev/null
@@ -1,44 +0,0 @@
-import java.awt.*;
-import java.awt.event.*;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import javax.swing.*;
-
-public class ActionTester {
-	public static void main(String[] args) {
-		JFrame frame = new JFrame();
-
-		final int FIELD_WIDTH = 20;
-		JTextField textField = new JTextField(FIELD_WIDTH);
-		textField.setText("Click a button!");
-
-		JButton helloButton = new JButton("Say Hello");
-		helloButton.addActionListener(event -> textField.setText("Hello"));
-
-		JButton goodbyeButton = new JButton("Say Goodbye");
-		goodbyeButton.addActionListener(event -> textField.setText("Goodbye"));
-		
-		goodbyeButton.setEnabled(false);
-		
-		helloButton.addActionListener(actionEvent -> {
-			helloButton.setEnabled(false);
-			goodbyeButton.setEnabled(true);
-		});
-
-		goodbyeButton.addActionListener(actionEvent -> {
-			goodbyeButton.setEnabled(false);
-			helloButton.setEnabled(true);
-		});
-
-		frame.setLayout(new FlowLayout());
-
-		frame.add(helloButton);
-		frame.add(goodbyeButton);
-		frame.add(textField);
-
-		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-		frame.pack();
-		frame.setVisible(true);
-
-	}
-}