diff --git a/.travis.yml b/.travis.yml
index ac551dc5..2b6451ca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,12 +15,6 @@ python:
 - 3.4
 
 before_install:
-    - sh -e /etc/init.d/xvfb start
-    - export DISPLAY=:99.0
-    - sudo apt-get update
-
-    - export WHEELHOUSE="--no-index --find-links=http://wheels.scikit-image.org/"
-    - export PYTHONWARNINGS="all"
     - tools/travis_setup.sh
 
 install:
diff --git a/tools/travis_setup.sh b/tools/travis_setup.sh
index a542a0ec..f7602aef 100755
--- a/tools/travis_setup.sh
+++ b/tools/travis_setup.sh
@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 set -ex
 
+sh -e /etc/init.d/xvfb start
+sudo apt-get update
+
+WHEELHOUSE="--no-index --find-links=http://wheels.scikit-image.org/"
+
 pip install wheel flake8 coveralls nose
 pip uninstall -y numpy
 
diff --git a/tools/travis_test.sh b/tools/travis_test.sh
index 8af29582..62cfe948 100755
--- a/tools/travis_test.sh
+++ b/tools/travis_test.sh
@@ -1,6 +1,10 @@
 #!/usr/bin/env bash
 set -ex
 
+export DISPLAY=:99.0
+export PYTHONWARNINGS="all"
+WHEELHOUSE="--no-index --find-links=http://wheels.scikit-image.org/"
+
 tools/header.py "Run all tests with minimum dependencies"
 nosetests --exe -v skimage