diff --git a/.travis.yml b/.travis.yml
index 36f409d8c0c3127857754c32f95ee4ac5183cc18..01d0f512a906642fbcf016b3b285350c91a1b528 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -96,7 +96,7 @@ before_install:
   - if [ "$BINDINGS" != "none" ]; then sudo apt-get install -qq swig; fi
   - if [ "$BINDINGS" == "perl" ]; then sudo apt-get install -t trusty-backports swig3.0; fi
   - if [ "$BINDINGS" == "python" ]; then sudo apt-get install -qq python-dev; fi
-  - if [ "$BINDINGS" == "dotnet" ]; then sudo apt-get install -qq mono-devel mono-mcs nunit nunit-console; mozroots --import --sync; fi
+  - if [ "$BINDINGS" == "dotnet" ]; then sudo apt-get install -qq mono-devel mono-mcs nunit nunit-console; fi
 install: true
 before_script:
   - if [ "$BINDINGS" == "php" ]; then phpenv config-add src/bindings/php/hammer.ini; fi