diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index d0bdfc17e..5b881b4b8 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -43,5 +43,13 @@ class ApplicationRecord < ActiveRecord::Base
     end
   end
 
+  concerning :PostgresExtensions do
+    class_methods do
+      def columns(*params)
+        super.reject {|x| x.sql_type == "tsvector"}
+      end
+    end
+  end
+
   include ApiMethods
 end
diff --git a/app/models/comment.rb b/app/models/comment.rb
index be656fc88..a2e4dff71 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -260,5 +260,3 @@ class Comment < ApplicationRecord
     DText.quote(body, creator_name)
   end
 end
-
-Comment.connection.extend(PostgresExtensions)
diff --git a/app/models/post.rb b/app/models/post.rb
index 1a25add2e..cd3619fd6 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -1797,5 +1797,3 @@ class Post < ApplicationRecord
     ret
   end
 end
-
-Post.connection.extend(PostgresExtensions)
diff --git a/config/initializers/postgres_extensions.rb b/config/initializers/postgres_extensions.rb
deleted file mode 100644
index 993494466..000000000
--- a/config/initializers/postgres_extensions.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-module PostgresExtensions
-  def columns(*params)
-    super.reject {|x| x.sql_type == "tsvector"}
-  end
-end