diff --git a/serial.py b/serial.py
deleted file mode 100644
index cf7edfb..0000000
--- a/serial.py
+++ /dev/null
@@ -1,7 +0,0 @@
-'''Serialisation of data'''
-import csv
-
-with open('test.csv', newline='') as csvfile:
-    spamreader = csv.reader(csvfile, delimiter=' ', quotechar='|')
-    for row in spamreader:
-        print(', '.join(row))
diff --git a/test.csv b/test.csv
deleted file mode 100644
index fba29af..0000000
--- a/test.csv
+++ /dev/null
@@ -1 +0,0 @@
-Peter, Hans, Otto
\ No newline at end of file
diff --git a/ui.py b/ui.py
index 6110495..3aa1787 100644
--- a/ui.py
+++ b/ui.py
@@ -1,27 +1 @@
 import tkinter as tk
-
-
-class Application(tk.Frame):
-    def __init__(self, master=None):
-        super().__init__(master)
-        self.master = master
-        self.pack()
-        self.create_widgets()
-
-    def create_widgets(self):
-        self.hi_there = tk.Button(self)
-        self.hi_there["text"] = "Hello World\n(click me)"
-        self.hi_there["command"] = self.say_hi
-        self.hi_there.pack(side="top")
-
-        self.quit = tk.Button(self, text="QUIT", fg="red",
-                              command=self.master.destroy)
-        self.quit.pack(side="bottom")
-
-    def say_hi(self):
-        print("hi there, everyone!")
-
-
-root = tk.Tk()
-app = Application(master=root)
-app.mainloop()