diff --git a/travis.yml b/travis.yml
index 773eea0..0c8bedb 100644
--- a/travis.yml
+++ b/travis.yml
@@ -1,23 +1,16 @@
 language: node_js
-os:
-  - linux
-  - osx
-
-install:
-  - npm install -g codecov
-
 node_js:
   - '8'
   - '9'
   - '10'
-
+install:
+  - npm install -g codecov
 script:
   - yarn install
   - yarn lint:all
   - yarn test:coverage --runInBand --no-cache
   - yarn test --runInBand --no-cache
   - codecov
-
 cache:
   directories:
     - node_modules
\ No newline at end of file