diff --git a/.travis.yml b/.travis.yml
index 22786bf..a46fdb8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,7 @@
-language: generic
+language: cpp
+os:
+  # - linux
+  - osx
 sudo: required
 addons:
   apt:
@@ -37,45 +40,45 @@ script:
   - if [ -z "${SHELLCHECK-}" ]; then make TEST_SUITE=$TEST_SUITE URCHIN=/tmp/urchin/package/urchin test-$SHELL ; fi
 env:
   global:
-    - CXX=g++-4.8
-    - CC=gcc-4.8
+    # - CXX=g++-4.8
+    # - CC=gcc-4.8
     - PATH=$(echo $PATH | sed 's/::/:/')
     - NVM_DIR="${TRAVIS_BUILD_DIR}"
   matrix:
-    - SHELLCHECK=true
+    # - SHELLCHECK=true
     - SHELL=bash TEST_SUITE=install_script
-    - SHELL=sh TEST_SUITE=fast
-    - SHELL=dash TEST_SUITE=fast
+    # - SHELL=sh TEST_SUITE=fast
+    # - SHELL=dash TEST_SUITE=fast
     - SHELL=bash TEST_SUITE=fast
-    - SHELL=zsh TEST_SUITE=fast
+    # - SHELL=zsh TEST_SUITE=fast
   #  - SHELL=ksh TEST_SUITE=fast
-    - SHELL=sh TEST_SUITE=sourcing
-    - SHELL=dash TEST_SUITE=sourcing
+    # - SHELL=sh TEST_SUITE=sourcing
+    # - SHELL=dash TEST_SUITE=sourcing
     - SHELL=bash TEST_SUITE=sourcing
-    - SHELL=zsh TEST_SUITE=sourcing
+    # - SHELL=zsh TEST_SUITE=sourcing
   #  - SHELL=ksh TEST_SUITE=sourcing
-    - SHELL=sh TEST_SUITE=slow
-    - SHELL=dash TEST_SUITE=slow
+    # - SHELL=sh TEST_SUITE=slow
+    # - SHELL=dash TEST_SUITE=slow
     - SHELL=bash TEST_SUITE=slow
-    - SHELL=zsh TEST_SUITE=slow
+    # - SHELL=zsh TEST_SUITE=slow
   #  - SHELL=ksh TEST_SUITE=slow
-    - SHELL=sh TEST_SUITE=installation_node
+    # - SHELL=sh TEST_SUITE=installation_node
   #  - SHELL=sh TEST_SUITE=installation_node WITHOUT_CURL=1
-    - SHELL=dash TEST_SUITE=installation_node
+    # - SHELL=dash TEST_SUITE=installation_node
   #  - SHELL=dash TEST_SUITE=installation_node WITHOUT_CURL=1
     - SHELL=bash TEST_SUITE=installation_node
   #  - SHELL=bash TEST_SUITE=installation_node WITHOUT_CURL=1
-    - SHELL=zsh TEST_SUITE=installation_node
+    # - SHELL=zsh TEST_SUITE=installation_node
   #  - SHELL=zsh TEST_SUITE=installation_node WITHOUT_CURL=1
   #  - SHELL=ksh TEST_SUITE=installation_node
   #  - SHELL=ksh TEST_SUITE=installation_node WITHOUT_CURL=1
-    - SHELL=sh TEST_SUITE=installation_iojs
+    # - SHELL=sh TEST_SUITE=installation_iojs
   #  - SHELL=sh TEST_SUITE=installation_iojs WITHOUT_CURL=1
-    - SHELL=dash TEST_SUITE=installation_iojs
+    # - SHELL=dash TEST_SUITE=installation_iojs
   #  - SHELL=dash TEST_SUITE=installation_iojs WITHOUT_CURL=1
     - SHELL=bash TEST_SUITE=installation_iojs
   #  - SHELL=bash TEST_SUITE=installation_iojs WITHOUT_CURL=1
-    - SHELL=zsh TEST_SUITE=installation_iojs
+    # - SHELL=zsh TEST_SUITE=installation_iojs
   #  - SHELL=zsh TEST_SUITE=installation_iojs WITHOUT_CURL=1
   #  - SHELL=ksh TEST_SUITE=installation_iojs
   #  - SHELL=ksh TEST_SUITE=installation_iojs WITHOUT_CURL=1