diff --git a/pysstv/sstv.py b/pysstv/sstv.py
index 9268c53..b4a676b 100644
--- a/pysstv/sstv.py
+++ b/pysstv/sstv.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 
 from __future__ import division, with_statement
-from math import sin, pi, floor
+from math import sin, pi
 from random import random
 from contextlib import closing
 from itertools import imap, izip, cycle, chain