diff --git a/Gemfile.lock b/Gemfile.lock
index 5dce67dc..e2c1dd73 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -119,7 +119,6 @@ GEM
     nokogiri (1.7.2)
       mini_portile2 (~> 2.1.0)
     pdf-core (0.7.0)
-    pg (0.20.0)
     prawn (2.2.2)
       pdf-core (~> 0.7.0)
       ttfunk (~> 1.5)
@@ -253,7 +252,6 @@ DEPENDENCIES
   kaminari!
   listen (~> 3.0.5)
   mysql2 (>= 0.3.18, < 0.5)
-  pg
   prawn
   prawn-table
   puma (~> 3.0)