diff --git a/.travis.yml b/.travis.yml
index 13e7389d0a..def11e9fe7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,8 +15,7 @@ env:
     - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
     - DOTNET_CLI_TELEMETRY_OPTOUT: 1
     - NO_PARALLEL_TEST_PROJECTS=E2ETests
-mono:
-  - 4.0.5
+mono: none
 os:
   - linux
   - osx