diff --git a/README.md b/README.md
index 76847a4f..1b2b29f5 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,6 @@ Dependencies
 * pytz
 * Logbook
 * requests
-* iso8601
 * [python-dateutil](https://pypi.python.org/pypi/python-dateutil) (>= 2.1)
 
 Quickstart
diff --git a/docs/installation.rst b/docs/installation.rst
index bc560d82..4c4d490e 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -23,7 +23,6 @@ Dependencies
 * numpy (>= 1.6.0)
 * pandas (>= 0.9.0)
 * pytz
-* iso8601
 * Logbook
 
 
diff --git a/etc/requirements.txt b/etc/requirements.txt
index 3d03b548..be3bec31 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -1,5 +1,3 @@
-iso8601==0.1.8
-
 # Logging
 Logbook==0.6.0
 
diff --git a/setup.py b/setup.py
index 86ffd5a7..0ab21251 100644
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,6 @@ setup(
         'Topic :: System :: Distributed Computing',
     ],
     install_requires=[
-        'iso8601',
         'Logbook',
         'pytz',
         'requests',