diff --git a/visualisation/SortedFrequencies.py b/visualisation/SortedFrequencies.py
index edf426a95464fbc8c72ceab0301f8c8f29aca5d2..c9468ae4d468020d6672b509b2283b835f005126 100755
--- a/visualisation/SortedFrequencies.py
+++ b/visualisation/SortedFrequencies.py
@@ -3,9 +3,6 @@
 from GEODE import tabular
 import sys
 
-def ticks(l):
-    return [i+0.5 for i in range(len(l))]
-
 def sortedHistogram(inputTSV, outputTSV, column):
     rows = tabular(inputTSV)
     groups = rows.groupby(column).size().sort_values(ascending=False)