Don't run Travis on stable.
diff --git a/.travis.yml b/.travis.yml
index 9124e03..70fa656 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@
 
 dart:
 - dev
-- stable
 
 # See https://docs.travis-ci.com/user/languages/dart/ for details.
 dart_task:
@@ -19,10 +18,9 @@
 # them against each Dart version.
 matrix:
   include:
-  - dart: stable
-    dart_task: dartfmt
   - dart: dev
     dart_task: dartanalyzer
+    dart_task: dartfmt
 
 # Only building master means that we don't run two builds for each pull request.
 branches: