diff --git a/_pytest/python.py b/_pytest/python.py
index 557471b36..c505484e4 100644
--- a/_pytest/python.py
+++ b/_pytest/python.py
@@ -9,7 +9,6 @@ import collections
 from textwrap import dedent
 from itertools import count
 
-import math
 import py
 from _pytest.mark import MarkerError
 from _pytest.config import hookimpl