diff --git a/.travis.yml b/.travis.yml
index 444b597d..c46f5a04 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,14 +2,9 @@
 language: r
 jobs:
   include:
-  - r: 3.0
-    os: linux
-    warnings_are_errors: false
-  - r: 3.0
-    os: osx
-    warnings_are_errors: false
   - r: 3.1
     os: linux
+    warnings_are_errors: true
   - r: 3.1
     os: osx
     warnings_are_errors: false
diff --git a/NEWS.md b/NEWS.md
index 2115ce73..faabe1af 100755
--- a/NEWS.md
+++ b/NEWS.md
@@ -52,7 +52,7 @@
 * Other small fixes
 
 #### Other
-* Unit testing for R 3.0 and the latest available release: https://travis-ci.org/msberends/AMR
+* Unit testing for all Linux and macOS release of R 3.1 and higher: https://travis-ci.org/msberends/AMR
 
 # 0.2.0 (latest stable version)
 **Published on CRAN: 2018-05-03**