diff --git a/mjpeg/__init__.py b/mjpeg/__init__.py
index c829ae3..8be84b3 100644
--- a/mjpeg/__init__.py
+++ b/mjpeg/__init__.py
@@ -12,7 +12,6 @@ __all__ = ['Jpeg', 'colorMap', 'diffblock', 'diffblocks']
 import numpy.random as rnd
 from numpy import shape
 import numpy as np
-import pylab as plt
 
 import base
 from dct import bdct, ibdct
@@ -177,17 +176,6 @@ class Jpeg(Jsteg):
         E = [-np.inf] + [i for i in range(-T, T + 2)] + [np.inf]
         return np.histogram(A, E)
 
-    def plotHist(self, mask=base.acMaskBlock, T=8):
-        """
-          Make a histogram of the jpeg coefficients.
-          The mask is a boolean 8x8 matrix indicating the
-          frequencies to be included.  This defaults to the
-          AC coefficients.
-        """
-        A = self.rawsignal(mask).tolist()
-        E = [i for i in range(-T, T + 2)]
-        plt.hist(A, E, histtype='bar')
-        plt.show()
 
     def nzcount(self, *a, **kw):
         """Number of non-zero AC coefficients.
diff --git a/mjpeg/compress.py b/mjpeg/compress.py
index 98e9a84..12cc69b 100644
--- a/mjpeg/compress.py
+++ b/mjpeg/compress.py
@@ -1,7 +1,7 @@
 ## -*- coding: utf-8 -*-
 
 
-from pylab import *
+from numpy import array
 
 # The standard quantisation tables for JPEG::
 
diff --git a/test/test_steg.py b/test/test_steg.py
index 27962d5..3618866 100644
--- a/test/test_steg.py
+++ b/test/test_steg.py
@@ -1,8 +1,6 @@
 __author__ = 'chunk'
 
 import numpy as np
-import pylab as P
-import pylab as plt
 
 from .. import mjpeg
 from ..msteg.steganography import LSB, F3, F4, F5
--
libgit2 0.21.2