diff --git a/.travis.yml b/.travis.yml
index c9a442aed..505d8683e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,7 +18,6 @@ env:
     - LOCAL_DOMAIN=cb6e6126.ngrok.io
     - LOCAL_HTTPS=true
     - RAILS_ENV=test
-    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true
     - PARALLEL_TEST_PROCESSORS=2
     - "PATH=$HOME:$PATH"