diff --git a/default.config.yml b/default.config.yml
index 816c56f..32a2d97 100644
--- a/default.config.yml
+++ b/default.config.yml
@@ -2,6 +2,8 @@
 downloads: ~/.ansible-downloads/
 
 configure_sudoers: yes
+configure_prefs: yes
+configure_osx: yes
 
 dotfiles_repo: https://github.com/geerlingguy/dotfiles.git
 dotfiles_repo_accept_hostkey: yes
diff --git a/main.yml b/main.yml
index a3107ae..5d42ddf 100644
--- a/main.yml
+++ b/main.yml
@@ -19,8 +19,10 @@
   tasks:
     - include: tasks/ansible-setup.yml
     - include: tasks/preferences.yml
+      when: configure_prefs
 
     # TODO: Use sudo once .osx can be run via root with no user interaction.
     - name: Run .osx dotfiles.
       shell: ~/.osx --no-restart
       changed_when: false
+      when: configure_osx