diff --git a/ci/travis.sh b/ci/travis.sh
index 97f52f9..008c1ec 100755
--- a/ci/travis.sh
+++ b/ci/travis.sh
@@ -114,7 +114,6 @@ build_only() {
   channel build -v --features rustc-serialize
   channel build -v --features serde
   channel build -v --no-default-features --features std
-  channel build -v --no-default-features --features 'std serde_std'
 }
 
 build_core_test() {