diff --git a/Gemfile.lock b/Gemfile.lock
index fbf61a33..8780a375 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -257,8 +257,6 @@ DEPENDENCIES
   jquery-rails
   kaminari!
   listen (~> 3.0.5)
-  pg
-  mysql2 (>= 0.3.18, < 0.5)
   prawn
   prawn-table
   puma (~> 3.0)