diff --git a/.travis.yml b/.travis.yml
index fcefaa8f1..64fbdc9df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,18 @@ addons:
 cache:
   directories:
   - $HOME/nndc_hdf5
+env:
+  - OPENMC_CONFIG="check_source"
+  - OPENMC_CONFIG="^hdf5-debug$"
+  - OPENMC_CONFIG="^omp-hdf5-debug$"
+  - OPENMC_CONFIG="^mpi-hdf5-debug$"
+  - OPENMC_CONFIG="^phdf5-debug$"
+
+# We aren't testing the check_source script so just run it with Python 3.
+matrix:
+  exclude:
+    - python: "2.7"
+      env: OPENMC_CONFIG="check_source"
 
 before_install:
   # ============== Handle Python third-party packages ==============
@@ -28,32 +40,37 @@ before_install:
   - conda config --set always_yes yes --set changeps1 no
   - conda update -q conda
   - conda info -a
-  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION six numpy scipy h5py=2.5 pandas
-  - source activate test-environment
-
-  # Install GCC, HDF5, PHDF5
-  - sudo add-apt-repository ppa:nschloe/hdf5-backports -y
-  - sudo apt-get update -q
-  - sudo apt-get install libhdf5-serial-dev libhdf5-mpich-dev -y
-  - export FC=gfortran
-  - export MPI_DIR=/usr
-  - export PHDF5_DIR=/usr
-  - export HDF5_DIR=/usr
+  - if [[ $OPENMC_CONFIG != "check_source" ]]; then
+      conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION six numpy scipy h5py=2.5 pandas;
+      source activate test-environment;
+      sudo add-apt-repository ppa:nschloe/hdf5-backports -y;
+      sudo apt-get update -q;
+      sudo apt-get install libhdf5-serial-dev libhdf5-mpich-dev -y;
+      export FC=gfortran;
+      export MPI_DIR=/usr;
+      export PHDF5_DIR=/usr;
+      export HDF5_DIR=/usr;
+    fi
 
 install: true
 
 before_script:
-  - if [[ ! -e $HOME/nndc_hdf5/cross_sections.xml ]]; then
-      wget https://anl.box.com/shared/static/a6sw2cep34wlz6b9i9jwiotaqoayxcxt.xz -O - | tar -C $HOME -xvJ;
+  - if [[ $OPENMC_CONFIG != "check_source" ]]; then
+      if [[ ! -e $HOME/nndc_hdf5/cross_sections.xml ]]; then
+        wget https://anl.box.com/shared/static/a6sw2cep34wlz6b9i9jwiotaqoayxcxt.xz -O - | tar -C $HOME -xvJ;
+      fi;
+      export OPENMC_CROSS_SECTIONS=$HOME/nndc_hdf5/cross_sections.xml;
+      git clone --branch=master git://github.com/smharper/windowed_multipole_library.git wmp_lib;
+      tar xzvf wmp_lib/multipole_lib.tar.gz;
+      export OPENMC_MULTIPOLE_LIBRARY=$PWD/multipole_lib;
     fi
-  - export OPENMC_CROSS_SECTIONS=$HOME/nndc_hdf5/cross_sections.xml
-
-  - git clone --branch=master git://github.com/smharper/windowed_multipole_library.git wmp_lib
-  - tar xzvf wmp_lib/multipole_lib.tar.gz
-  - export OPENMC_MULTIPOLE_LIBRARY=$PWD/multipole_lib
 
 script:
   - cd tests
   - export OMP_NUM_THREADS=2
-  - ./travis.sh
+  - if [[ $OPENMC_CONFIG == "check_source" ]]; then
+      ./check_source.py;
+    else
+      ./run_tests.py -C $OPENMC_CONFIG -j 2;
+    fi
   - cd ..
diff --git a/tests/travis.sh b/tests/travis.sh
deleted file mode 100755
index 2dc352834..000000000
--- a/tests/travis.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-
-set -ev
-
-# Run all debug tests
-./check_source.py
-if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
-  ./run_tests.py -C "^hdf5-debug$|^omp-hdf5-debug|^mpi-hdf5-debug|^phdf5-debug$" -j 2
-else
-  ./run_tests.py -C "^hdf5-debug$" -j 2
-fi