diff --git a/examples/pull_histogram.py b/examples/pull_histogram.py
deleted file mode 100755
index a4101da..0000000
--- a/examples/pull_histogram.py
+++ /dev/null
@@ -1,125 +0,0 @@
-#! /usr/bin/env python
-# ==========================================================================
-# This script displays pull histograms that have been generated using the
-# cspull script. The pull is defined by
-#
-#           (fitted value - simulated value) / estimated error
-#
-# and the pull histogram allows to assess possible biases in the fit
-# parameters and errors.
-#
-# Required 3rd party modules:
-# - matplotlib
-# - numpy
-#
-# Copyright (C) 2011 Jurgen Knodlseder
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# ==========================================================================
-import matplotlib.mlab as mlab
-import matplotlib.pyplot as plt
-import numpy as np
-import sys
-import csv
-
-
-# ====================== #
-# Read pull distribution #
-# ====================== #
-def read_pull(filename, parname):
-	"""
-	Read pull distribution.
-	"""
-	# Initialise list
-	values = []
-	
-	# Open reader
-	reader = csv.reader(open(filename, 'r'), delimiter=',')
-	
-	# Read rows
-	first = True
-	index = -1
-	for row in reader:
-		
-		# Get column index if first row
-		if first:
-			try:
-				index = row.index(parname)
-			except:
-				print 'ERROR: Parameter "'+parname+'" not found in list:'
-				for p in row:
-					print '       "'+p+'"'
-				raise NameError(parname)
-			#print index
-
-		# Handle data rows
-		else:
-			values.append(float(row[index]))
-		
-		# Flag that first row has been passed
-		first = False
-	
-	# Create numpy array
-	a = np.array(values)
-	#print a
-	
-	# Return array
-	return a
-
-
-# ======================== #
-# Main routine entry point #
-# ======================== #
-if __name__ == '__main__':
-	"""
-	Display pull histogram generated by cspull using matplotlib.
-	"""
-	# Print usage information
-	usage = "Usage: pull_histogram filename parname [bins]"
-	if len(sys.argv) < 3:
-		print usage
-		sys.exit()
-
-	# Extract parameters
-	filename = sys.argv[1]
-	parname  = sys.argv[2]
-	if len(sys.argv) > 3:
-		nbins = int(sys.argv[3])
-	else:
-		nbins = 50
-	
-	# Read values from CSV file
-	values = read_pull(filename, parname)
-	
-	# Create histogram
-	n, bins, patches = plt.hist(values, nbins, range=[-4.0,4.0],
-								normed=True, facecolor='green')
-
-	# Create expected distribution
-	y = mlab.normpdf(bins, 0.0, 1.0)
-	l = plt.plot(bins, y, 'r-', linewidth=2)
-
-	# Set parname for plotting
-	name = parname
-	
-	# Set plot
-	plt.xlabel('Pull ('+name+')')
-	plt.ylabel('Arbitrary units')
-	plt.title(name)
-	plt.grid(True)
-
-	# Show histogram
-	plt.show()
-	
\ No newline at end of file