diff --git a/app/controllers/content_controller.rb b/app/controllers/content_controller.rb
index 595fc42b..83d1659f 100644
--- a/app/controllers/content_controller.rb
+++ b/app/controllers/content_controller.rb
@@ -93,13 +93,14 @@ class ContentController < ApplicationController
   def edit
     content_type_class = content_type_from_controller(self.class)
     @content = content_type_class.find_by(id: params[:id])
-    @serialized_content = ContentSerializer.new(@content)
-
     if @content.nil?
-      return redirect_to root_path,
-             notice: "Either this #{content_type_class.name.downcase} doesn't exist, or you don't have access to view it."
+      return redirect_to(root_path,
+        notice: "Either this #{content_type_class.name.downcase} doesn't exist, or you don't have access to view it."
+      )
     end
 
+    @serialized_content = ContentSerializer.new(@content)
+
     unless @content.updatable_by? current_user
       return redirect_to @content, notice: t(:no_do_permission)
     end
diff --git a/app/controllers/universes_controller.rb b/app/controllers/universes_controller.rb
index e515816d..f95bdd6a 100644
--- a/app/controllers/universes_controller.rb
+++ b/app/controllers/universes_controller.rb
@@ -6,7 +6,8 @@ class UniversesController < ContentController
     define_method content_type_name do
       @content_type = content_type_name.to_s.singularize.capitalize.constantize
 
-      @universe = Universe.find(params[:id])
+      @universe = Universe.find_by(id: params[:id])
+      return redirect_to(root_path, notice: "That universe doesn't exist!") unless @universe.present?
       @content_list = @universe.send(content_type_name)
 
       # todo just use current_user.can_view?(@universe) and/or individual filtering
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index f341616f..da35d7ef 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -28,7 +28,8 @@ class UsersController < ApplicationController
     content_type_name = content_type.name.downcase.pluralize.to_sym # :characters, :items, etc
     define_method content_type_name do
       @content_type = content_type
-      @user = User.find(params[:id])
+      @user = User.find_by(id: params[:id])
+      return redirect_to(root_path, notice: "This user does not exist") unless @user.present?
       @content_list = @user.send(content_type_name).is_public.order(:name)
 
       render :content_list
diff --git a/app/models/serializers/content_serializer.rb b/app/models/serializers/content_serializer.rb
index b476d511..713f64fa 100644
--- a/app/models/serializers/content_serializer.rb
+++ b/app/models/serializers/content_serializer.rb
@@ -52,7 +52,7 @@ class ContentSerializer
           label:  category.label,
           icon:   category.icon,
           hidden: !!category.hidden,
-          fields: (self.fields.select { |field| field.attribute_category_id == category.id }.map { |field|
+          fields: self.fields.select { |field| field.attribute_category_id == category.id }.map { |field|
             {
               id:     field.name,
               label:  field.label,
@@ -65,7 +65,7 @@ class ContentSerializer
                 value.attribute_field_id == field.id
               }.try(:value) || ""
             }
-          } + (old_style_link_fields[category.name].presence || [])).sort do |a, b|
+          }.sort do |a, b|
             a_value = case a[:type]
               when 'name'     then 0
               when 'universe' then 1
@@ -90,36 +90,4 @@ class ContentSerializer
       }
     }
   end
-
-  # {
-  #   'overview': [
-  #     {
-  #       id: 'children',
-  #       label: 'Children',
-  #       relation: 'Character',
-  #       type: 'link',
-  #       value: [Character, Character, Character]
-  #     },
-  #     ...
-  #   ]
-  # }
-  def old_style_link_fields
-    # TODO I think we can remove this method
-    return {}
-
-    categories = Hash[YAML.load_file(Rails.root.join('config', 'attributes', "#{self.class_name.downcase}.yml")).map do |category_name, details|
-      [
-        category_name.to_s,
-        (details[:attributes] || []).select { |field| field[:field_type] == 'link'}.map do |field|
-          {
-            id:    field[:name],
-            label: field[:label],
-            type:  field[:field_type].presence || 'textarea',
-            old_column_source: field[:name],
-            value: self.raw_model.send(field[:name])
-          }
-        end
-      ]
-    end]
-  end
 end
diff --git a/app/views/content/form/_panel.html.erb b/app/views/content/form/_panel.html.erb
index 8e8bd933..16e128eb 100644
--- a/app/views/content/form/_panel.html.erb
+++ b/app/views/content/form/_panel.html.erb
@@ -44,7 +44,7 @@
                   valid_universes += current_user.contributable_universes
                 else
                   # Premium content
-                  if current_user.on_premium_plan? || (content.persisted? && content.user == current_user)
+                  if current_user.on_premium_plan? || (raw_model.persisted? && content.user == current_user)
                     valid_universes += current_user.universes
                   else
                     show_premium_notice = true