diff --git a/.travis.yml b/.travis.yml
index 482e09c71..22ffde955 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -517,7 +517,7 @@ script:
         docker run --rm -e DOCKER_IMAGE -e PY_VERSION -v `pwd`:/io $DOCKER_IMAGE $PRE_CMD "/io/ci-scripts/docker/docker_build.sh";
         klayout_version=$(python -c 'import setup; print(setup.Config().version())'); 
         mkdir -p deploy/dist-pymod/$klayout_version;
-        cp -a wheelhouse/{klayout-*manylinux1*.whl,*.tar.gz,*.zip} deploy/dist-pymod/$klayout_version;
+        cp -a wheelhouse/{klayout-*manylinux1*.whl,*.zip} deploy/dist-pymod/$klayout_version;
         if [ "$TEST_IN_HOST" = true ]; then
             pip install klayout --no-index -f ./wheelhouse;
             python testdata/pymod/import_db.py;
@@ -539,7 +539,7 @@ script:
         python testdata/pymod/pya_tests.py;
         klayout_version=$(python -c 'import setup; print(setup.Config().version())');
         mkdir -p deploy/dist-pymod/$klayout_version;
-        cp -a dist/{*.whl,*.tar.gz,*.zip} deploy/dist-pymod/$klayout_version;
+        cp -a dist/{*.whl,*.zip} deploy/dist-pymod/$klayout_version;
         python -c 'import klayout.db as db; print(dir(db))';
         python -c 'import klayout.rdb as rdb; print(dir(rdb))';
         python -c 'import klayout.tl as tl; print(dir(tl))';
diff --git a/ci-scripts/docker/docker_build.sh b/ci-scripts/docker/docker_build.sh
index fa143f8f2..e8db4b331 100755
--- a/ci-scripts/docker/docker_build.sh
+++ b/ci-scripts/docker/docker_build.sh
@@ -53,7 +53,7 @@ ccache -s
 # Compile wheel and build source distribution
 cd /io
 "/opt/python/$PY_VERSION/bin/python" setup.py bdist_wheel -d /io/wheelhouse/ || exit 1
-"/opt/python/$PY_VERSION/bin/python" setup.py sdist --formats=gztar,zip -d /io/wheelhouse || exit 1
+"/opt/python/$PY_VERSION/bin/python" setup.py sdist --formats=zip -d /io/wheelhouse || exit 1
 
 # Show ccache stats
 echo "Cache stats:"