diff --git a/.travis.yml b/.travis.yml
index c4a21499749829..8fb1a7189e45db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,7 @@ branches:
 
 os:
   - linux
-  # macOS builds are disabled as the machines are under-provisioned on Travis,
-  # adding up to an extra hour completing a full CI run.
+  - osx
 
 compiler:
   - clang
diff --git a/Objects/iterobject.c b/Objects/iterobject.c
index 75b2fcbd411302..65a03288d74a48 100644
--- a/Objects/iterobject.c
+++ b/Objects/iterobject.c
@@ -237,6 +237,8 @@ calliter_iternext(calliterobject *it)
     return NULL;
 }
 
+/* A shrubbery */
+
 static PyObject *
 calliter_reduce(calliterobject *it)
 {