diff --git a/.travis.yml b/.travis.yml
index c490696..510a86e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,49 +3,40 @@ addons:
   apt_packages:
   - zsh
   - ksh
-
 before_install:
   - curl --version
   - wget --version
-
 install:
   - (mkdir /tmp/urchin && cd /tmp/urchin && curl -s "$(curl -s https://registry.npmjs.com/urchin | grep -Eo '"tarball":\s*"[^"]+"' | tail -n 1 | awk -F\" '{ print $4 }')" -O && tar -x -f urchin*)
   - chmod +x /tmp/urchin/package/urchin
   - '[ -z "$WITHOUT_CURL" ] || sudo apt-get remove curl -y'
-
 script:
   - export PATH=$(echo $PATH | sed 's/::/:/')
   - NVM_DIR=$TRAVIS_BUILD_DIR make TEST_SUITE=$TEST_SUITE URCHIN=/tmp/urchin/package/urchin test-$SHELL
-
 env:
   - SHELL=bash TEST_SUITE=install_script
-
   - SHELL=sh TEST_SUITE=fast
   - SHELL=dash TEST_SUITE=fast
   - SHELL=bash TEST_SUITE=fast
   - SHELL=zsh TEST_SUITE=fast
-  # - SHELL=ksh TEST_SUITE=fast
-
+#  - SHELL=ksh TEST_SUITE=fast
   - SHELL=sh TEST_SUITE=slow
   - SHELL=dash TEST_SUITE=slow
   - SHELL=bash TEST_SUITE=slow
   - SHELL=zsh TEST_SUITE=slow
-  # - SHELL=ksh TEST_SUITE=slow
-
+#  - SHELL=ksh TEST_SUITE=slow
   - SHELL=sh TEST_SUITE=sourcing
   - SHELL=dash TEST_SUITE=sourcing
   - SHELL=bash TEST_SUITE=sourcing
   - SHELL=zsh TEST_SUITE=sourcing
-  # - SHELL=ksh TEST_SUITE=sourcing
-
+#  - SHELL=ksh TEST_SUITE=sourcing
   - SHELL=sh TEST_SUITE=installation
+#  - SHELL=sh TEST_SUITE=installation WITHOUT_CURL=1
   - SHELL=dash TEST_SUITE=installation
+#  - SHELL=dash TEST_SUITE=installation WITHOUT_CURL=1
   - SHELL=bash TEST_SUITE=installation
+#  - SHELL=bash TEST_SUITE=installation WITHOUT_CURL=1
   - SHELL=zsh TEST_SUITE=installation
-  # - SHELL=ksh TEST_SUITE=installation
-
-  # - SHELL=sh TEST_SUITE=installation WITHOUT_CURL=1
-  # - SHELL=dash TEST_SUITE=installation WITHOUT_CURL=1
-  # - SHELL=bash TEST_SUITE=installation WITHOUT_CURL=1
-  # - SHELL=zsh TEST_SUITE=installation WITHOUT_CURL=1
-  # - SHELL=ksh TEST_SUITE=installation WITHOUT_CURL=1
+#  - SHELL=zsh TEST_SUITE=installation WITHOUT_CURL=1
+#  - SHELL=ksh TEST_SUITE=installation
+#  - SHELL=ksh TEST_SUITE=installation WITHOUT_CURL=1