diff --git a/Gemfile b/Gemfile
index 06528f243..67ee95c0f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source ENV['GEM_SOURCE'] || "https://rubygems.org"
+source "https://rubygems.org"
 
 def location_for(place)
   if place =~ /^((?:git[:@]|https:)[^#]*)#(.*)/