diff --git a/app/models/user.rb b/app/models/user.rb
index 1ee9154..739f642 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -10,7 +10,6 @@ class User < ApplicationRecord
               length: { minimum: 3, maximum: 26 }
 
     validates :email,
-              case_sensitive: false,
               presence: true,
               uniqueness: true,
               email: true