diff --git a/.travis.yml b/.travis.yml
index 0a7cf6c12..b6315031b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ r:
 
 os:
   - linux
-  - osx
+  # - osx  # Takes 13m (+9m linux = 22m total); #3357; #3326; #3331. Off by default to speed up dev cycle. AppVeyor covers R-devel and completes in 10m concurrently.
 
 before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install llvm &&