diff --git a/Gemfile.lock b/Gemfile.lock
index bcd86a042..ac6fd4b89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,6 @@ GEM
     digest (3.1.1)
     drb (2.2.1)
     ffi (1.17.0)
-    ffi (1.17.0-x86_64-darwin)
     fileutils (1.7.2)
     goodcheck (3.1.0)
       marcel (>= 1.0, < 2.0)