diff --git a/.travis.yml b/.travis.yml
index b9a530390..82d34c919 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -59,9 +59,9 @@ install:
   - rm -rf ~/.nvm && git clone https://github.com/creationix/nvm.git ~/.nvm && (cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`) && source ~/.nvm/nvm.sh && nvm install $TRAVIS_NODE_VERSION
 
 script:
-  - if [ "$RUN_TESTS" = "true" ]; then cargo test --release --verbose ${FEATURES} ${TARGETS}; fi
-  - if [ "$RUN_BENCHES" = "true" ]; then cargo bench --no-run ${FEATURES} ${TARGETS}; fi
-  - if [ "$RUN_BUILD" = "true" ]; then cargo build --release --verbose ${FEATURES}; fi
+  - if [ "$RUN_TESTS" = "true" ]; then cargo test --release --verbose --no-default-features ${FEATURES} ${TARGETS}; fi
+  - if [ "$RUN_BENCHES" = "true" ]; then cargo bench --no-run --no-default-features ${FEATURES} ${TARGETS}; fi
+  - if [ "$RUN_BUILD" = "true" ]; then cargo build --release --verbose --no-default-features ${FEATURES}; fi
   - if [ "$RUN_BUILD" = "true" ]; then tar cvzf parity${ARCHIVE_SUFFIX}.tar.gz -C target/release parity; fi
 
 after_success: |
diff --git a/appveyor.yml b/appveyor.yml
index b183af550..712445ca6 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -31,10 +31,10 @@ install:
 build: off
 
 test_script:
-  - cargo test --verbose --release
+  - cargo test --verbose --release --no-default-features
 
 after_test:
-  - cargo build --verbose --release
+  - cargo build --verbose --release --no-default-features
   - ps: if($env:cert) { Start-FileDownload $env:cert -FileName $env:keyfile }
   - ps: if($env:cert) { signtool sign /f $env:keyfile /p $env:certpass target\release\parity.exe }
   - makensis.exe nsis\installer.nsi