diff --git a/app/controllers/related_tags_controller.rb b/app/controllers/related_tags_controller.rb
index ec86073aa..af329c0f7 100644
--- a/app/controllers/related_tags_controller.rb
+++ b/app/controllers/related_tags_controller.rb
@@ -2,7 +2,10 @@ class RelatedTagsController < ApplicationController
   respond_to :json, :xml, :js, :html
 
   def show
-    @query = RelatedTagQuery.new(query: params[:query], category: params[:category], user: CurrentUser.user)
+    query = params[:query] || search_params[:query]
+    category = params[:category] || search_params[:category]
+
+    @query = RelatedTagQuery.new(query: query, category: category, user: CurrentUser.user)
     respond_with(@query)
   end
 end
diff --git a/app/views/admin/alias_and_implication_imports/new.html.erb b/app/views/admin/alias_and_implication_imports/new.html.erb
index fa700e3d5..014def208 100644
--- a/app/views/admin/alias_and_implication_imports/new.html.erb
+++ b/app/views/admin/alias_and_implication_imports/new.html.erb
@@ -2,7 +2,7 @@
   <div id="a-new">
     <h1>Alias &amp; Implication Import</h1>
 
-    <%= form_tag(admin_alias_and_implication_import_path, :class => "simple_form") do %>
+    <%= simple_form_for(:batch, url: admin_alias_and_implication_import_path) do |f| %>
       <pre>
 Use the following format:
 
@@ -13,28 +13,10 @@ create implication aaa -> bbb
 mass update aaa -> bbb
       </pre>
 
-      <div class="input">
-        <label for="batch_text">
-          Script
-        </label>
-        <%= text_area "batch", "text", :size => "60x20" %>
-      </div>
-
-      <div class="input">
-        <label for="batch_forum_id">
-          Forum ID
-        </label>
-        <%= text_field "batch", "forum_id" %>
-      </div>
-
-      <div class="input">
-        <label for="batch_rename_aliased_pages">
-          <%= check_box "batch", "rename_aliased_pages", :checked => true %>
-          Rename aliased wiki pages and artists
-        </label>
-      </div>
-
-      <%= submit_tag %>
+      <%= f.input :text, label: "Script", as: :text, input_html: { size: "60x20" } %>
+      <%= f.input :forum_id, label: "Forum ID" %>
+      <%= f.input :rename_aliased_pages, label: "Renamed aliased wiki pages and artists", as: :boolean, checked: true %>
+      <%= f.submit "Submit" %>
     <% end %>
   </div>
 </div>
diff --git a/app/views/moderator/tags/edit.html.erb b/app/views/moderator/tags/edit.html.erb
index 630310e1e..54de9a314 100644
--- a/app/views/moderator/tags/edit.html.erb
+++ b/app/views/moderator/tags/edit.html.erb
@@ -2,20 +2,10 @@
   <div id="a-edit">
     <h1>Mass Edit</h1>
 
-    <%= form_tag(moderator_tag_path, :method => :put, :class => "simple_form") do %>
-      <div class="input">
-        <label>Antecedent</label>
-        <%= text_field :tag, :antecedent, :value => params[:antecedent], :data => { :autocomplete => "tag-query" } %>
-      </div>
-
-      <div class="input">
-        <label>Consequent</label>
-        <%= text_field :tag, :consequent, :value => params[:consequent], :data => { :autocomplete => "tag-edit" } %>
-      </div>
-
-      <div class="input">
-        <%= submit_tag "Submit" %>
-      </div>
+    <%= simple_form_for(:tag, url: moderator_tag_path, method: :put) do |f| %>
+      <%= f.input :antecedent, input_html: { value: params[:antecedent], "data-autocomplete": "tag-query" } %>
+      <%= f.input :consequent, input_html: { value: params[:consequent], "data-autocomplete": "tag-edit" } %>
+      <%= f.submit "Submit" %>
     <% end %>
   </div>
 </div>
diff --git a/app/views/related_tags/show.html.erb b/app/views/related_tags/show.html.erb
index e8cbe0fdc..6165fb161 100644
--- a/app/views/related_tags/show.html.erb
+++ b/app/views/related_tags/show.html.erb
@@ -1,14 +1,14 @@
 <div id="c-related-tags">
   <div id="a-show">
     <h1>Related tags</h1>
-    <section>
-      <%= form_tag(related_tag_path, :method => :get) do %>
-        <%= text_field_tag "query", params[:query], :data => { :autocomplete => "tag" } %>
-        <%= select_tag "category", options_for_select([""] + TagCategory.canonical_mapping.map{|x| [x.first, x.first.downcase]}, params[:category]) %>
-        <%= submit_tag "Show"%>
-      <% end %>
-    </section>
-    <% if params[:query].present? %>
+
+    <%= search_form_for(related_tag_path) do |f| %>
+      <%= f.input :query, label: "Tag", input_html: { value: params[:search][:query], "data-autocomplete": "tag" } %>
+      <%= f.input :category, collection: TagCategory.canonical_mapping, include_blank: true, selected: params[:search][:category] %>
+      <%= f.submit "Show" %>
+    <% end %>
+
+    <% if params.dig(:search, :query).present? %>
       <section>
         <table class="striped">
           <thead>