diff --git a/microphone.py b/microphone.py
deleted file mode 100644
index 66d6b80..0000000
--- a/microphone.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import time
-import numpy as np
-import pyaudio
-import config
-
-
-def start_stream(callback):
-    p = pyaudio.PyAudio()
-    frames_per_buffer = int(config.MIC_RATE / config.FPS)
-    stream = p.open(format=pyaudio.paInt16,
-                    channels=1,
-                    rate=config.MIC_RATE,
-                    input=True,
-                    frames_per_buffer=frames_per_buffer)
-    overflows = 0
-    prev_ovf_time = time.time()
-    while True:
-        try:
-            y = np.fromstring(stream.read(frames_per_buffer), dtype=np.int16)
-            y = y.astype(np.float32)
-            callback(y)
-        except IOError:
-            overflows += 1
-            if time.time() > prev_ovf_time + 1:
-                prev_ovf_time = time.time()
-                if config.USE_GUI:
-                    gui.label_error.setText('Audio buffer has overflowed {} times'.format(overflows))
-                else:
-                    print('Audio buffer has overflowed {} times'.format(overflows))
-    stream.stop_stream()
-    stream.close()
-    p.terminate()