diff --git a/.travis.yml b/.travis.yml
index f998e6cb..f0fbd22d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: cpp
 
 os:
   - linux
-  #- osx
+  - osx
 
 env:
   global:
@@ -12,8 +12,8 @@ env:
         6pxmyzLHSn1ZR7OX5rfPvwM3tOyZ3H0=
   matrix:
     - BUILD=Doc
-    #- BUILD=Debug
-    #- BUILD=Release
+    - BUILD=Debug
+    - BUILD=Release
 
 matrix:
   exclude:
diff --git a/support/travis-build.py b/support/travis-build.py
index 9e85f0e2..0afed4d7 100755
--- a/support/travis-build.py
+++ b/support/travis-build.py
@@ -15,7 +15,6 @@ def rmtree_if_exists(dir):
 build = os.environ['BUILD']
 if build == 'Doc':
   travis = 'TRAVIS' in os.environ
-  print("Has key {}".format('KEY' in os.environ))
   # Install dependencies.
   if travis:
     check_call('curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | ' +