Remove tests on Dartium
diff --git a/.travis.yml b/.travis.yml
index bf601a1..a3c98ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: dart
-sudo: false
+
 dart:
   - dev
   - stable
@@ -8,8 +8,6 @@
 dart_task:
   - test: --platform vm
   - test: --platform firefox
-  - test: --platform dartium
-    install_dartium: true
   - dartfmt
   - dartanalyzer