diff --git a/.travis.yml b/.travis.yml
index a3c9547a..218d7f9c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,8 +11,8 @@ notifications:
         on_failure: always
 
 script:
-    - cargo build
     - cargo test
+    - cargo test --no-default-features
     - cargo doc --no-deps
     - rustdoc --test README.md -L target/debug
 
diff --git a/appveyor.yml b/appveyor.yml
index 297c2d2e..21e8b965 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -35,5 +35,5 @@ install:
 build: false
 
 test_script:
-    - cargo build
     - cargo test
+    - cargo test --no-default-features