diff --git a/.travis.yml b/.travis.yml
index 402fc8e0..f3ede12f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,6 @@ env:
 before_install:
   - sudo apt-get install libicu-dev -y
   - gem install charlock_holmes -v="0.6.8"
-  - echo "yes" | gem uninstall json ffi
 branches:
   only:
     - 'master'