diff --git a/.travis.yml b/.travis.yml
index 53e8c0d..5401f89 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,6 @@
 language: ruby
 cache: bundler
 
-before_install:
-  - sudo apt-get install libgmp3-dev
-
 rvm:
   - 2.2
   - 2.0.0-p481