diff --git a/.travis.yml b/.travis.yml
index f14c060..894cdfb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,5 @@
 language: c
 
-# To use Travis CI's newer container infrastructure, use the following
-# line. (Also be sure RACKET_DIR is set to somewhere like ~/racket
-# that doesn't require sudo.)
-sudo: false
-
 env:
   global:
     # Supply a global RACKET_DIR environment variable. This is where