diff --git a/.travis.yml b/.travis.yml
index e907325de..957e74caf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,6 @@ python:
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 install:
     - pip install -vr requirements.txt
-    - pip install -r requirements.txt
 # command to run tests, e.g. python setup.py test
 script:
   - echo $TRAVIS_PYTHON_VERSION