1 files changed, 0 insertions, 4 deletions
diff --git a/Gemfile b/Gemfile
index a5ea858177..0106d3298a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -153,7 +153,3 @@ end
 gem "ibm_db" if ENV["IBM_DB"]
 gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem "wdm", ">= 0.1.0", platforms: [:mingw, :mswin, :x64_mingw, :mswin64]
-
-platforms :ruby_25 do
-  gem "mathn"
-end