diff --git a/.travis.yml b/.travis.yml
index 7dd209fae..387e6772c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,6 @@ matrix:
     - os: linux
       sudo: false
       compiler: ": clang"
-      sudo: false
       env: JOBS=4 CXX="ccache g++-6" CC="gcc-6"
       addons:
         apt:
diff --git a/deps/mapbox/variant b/deps/mapbox/variant
index 18919174d..6317a0b74 160000
--- a/deps/mapbox/variant
+++ b/deps/mapbox/variant
@@ -1 +1 @@
-Subproject commit 18919174da93165a79ca5fdbfde4b172182c6156
+Subproject commit 6317a0b7406395729139327a83a71cfa14513fac