diff --git a/app/assets/javascripts/related_tag.js.erb b/app/assets/javascripts/related_tag.js.erb
index 44c64f3c4..1d05d4704 100644
--- a/app/assets/javascripts/related_tag.js.erb
+++ b/app/assets/javascripts/related_tag.js.erb
@@ -142,7 +142,11 @@
           tags.push(["BANNED_ARTIST", "banned"]);
         }
         $.each(Danbooru.RelatedTag.recent_artists[0].sorted_urls, function(i, url) {
-          tags.push([" " + url.url, 0]);
+          var x = url.url;
+          if (!url.is_active) {
+            x = "-" + x;
+          }
+          tags.push([" " + x, 0]);
         });
       } else if (Danbooru.RelatedTag.recent_artists.length >= 10) {
         tags.push([" none", 0]);
@@ -226,7 +230,15 @@
         );
       } else {
         var text = tag[0];
-        if (text.match(/^ http/)) {
+        if (text.match(/^ -http/)) {
+          text = text.substring(1, 1000);
+          var desc = text.replace(/^-https?:\/\//, "");
+          if (desc.length > 30) {
+            desc = desc.substring(0, 30) + "...";
+          }
+          var $del = $("<del/>").html(desc);
+          $ul.append($("<li/>").html($del));
+        } else if (text.match(/^ http/)) {
           text = text.substring(1, 1000);
           var $url = $("<a/>");
           var desc = text.replace(/^https?:\/\//, "");
diff --git a/app/models/artist_url.rb b/app/models/artist_url.rb
index fa450c34c..7952ac5f7 100644
--- a/app/models/artist_url.rb
+++ b/app/models/artist_url.rb
@@ -1,4 +1,5 @@
 class ArtistUrl < ApplicationRecord
+  before_validation :parse_prefix
   before_save :initialize_normalized_url, on: [ :create ]
   before_save :normalize
   validates_presence_of :url
@@ -58,6 +59,13 @@ class ArtistUrl < ApplicationRecord
     url = url.gsub(/^http:\/\/i\d+\.pixiv\.net\/img\d+/, "http://*.pixiv.net/img*")
   end
 
+  def parse_prefix
+    if url && url[0] == "-"
+      self.url = url[1..-1]
+      self.is_active = false
+    end
+  end
+
   def priority
     if normalized_url =~ /pixiv\.net\/member\.php/
       10
@@ -89,7 +97,11 @@ class ArtistUrl < ApplicationRecord
   end
 
   def to_s
-    url
+    if is_active?
+      url
+    else
+      "-#{url}"
+    end
   end
 
   def validate_url_format
diff --git a/app/views/artists/_summary.html.erb b/app/views/artists/_summary.html.erb
index f51c51db4..fccff838e 100644
--- a/app/views/artists/_summary.html.erb
+++ b/app/views/artists/_summary.html.erb
@@ -30,7 +30,7 @@
       <ul>
         <% artist.urls.each do |url| %>
           <li>
-            <%= link_to h(url.to_s), h(url.to_s) %>
+            <%= link_to h(url.to_s), h(url) %>
             <% if CurrentUser.user.is_moderator? %>
               [<%= link_to("mass edit", edit_moderator_tag_path(:antecedent => "-#{artist.name} source:#{ArtistUrl.normalize_for_search(url.to_s)}", :consequent => artist.name)) %>]
             <% end %>
diff --git a/db/migrate/20180516222413_add_is_active_to_artist_urls.rb b/db/migrate/20180516222413_add_is_active_to_artist_urls.rb
new file mode 100644
index 000000000..225b4c3cd
--- /dev/null
+++ b/db/migrate/20180516222413_add_is_active_to_artist_urls.rb
@@ -0,0 +1,7 @@
+class AddIsActiveToArtistUrls < ActiveRecord::Migration[5.2]
+  def change
+    ApplicationRecord.without_timeout do
+      add_column :artist_urls, :is_active, :boolean, null: false, default: true
+    end
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index aad387a7a..d25506007 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -683,7 +683,8 @@ CREATE TABLE public.artist_urls (
     url text NOT NULL,
     normalized_url text NOT NULL,
     created_at timestamp without time zone,
-    updated_at timestamp without time zone
+    updated_at timestamp without time zone,
+    is_active boolean DEFAULT true NOT NULL
 );
 
 
@@ -7494,6 +7495,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20180116001101'),
 ('20180403231351'),
 ('20180413224239'),
-('20180425194016');
+('20180425194016'),
+('20180516222413');
 
 
diff --git a/test/unit/artist_test.rb b/test/unit/artist_test.rb
index c0ce04e9d..d61f819fc 100644
--- a/test/unit/artist_test.rb
+++ b/test/unit/artist_test.rb
@@ -29,6 +29,12 @@ class ArtistTest < ActiveSupport::TestCase
       CurrentUser.ip_addr = nil
     end
 
+    should "parse inactive urls" do
+      @artist = Artist.create(name: "blah", url_string: "-http://monet.com")
+      assert_equal(["-http://monet.com"], @artist.urls.map(&:to_s))
+      refute(@artist.urls[0].is_active?)
+    end
+
     should "should have a valid name" do
       @artist = Artist.new(:name => "-blah")
       @artist.save
diff --git a/test/unit/artist_url_test.rb b/test/unit/artist_url_test.rb
index 37fa84bca..8cbeef412 100644
--- a/test/unit/artist_url_test.rb
+++ b/test/unit/artist_url_test.rb
@@ -12,6 +12,13 @@ class ArtistUrlTest < ActiveSupport::TestCase
       CurrentUser.ip_addr = nil
     end
 
+    should "allow urls to be marked as inactive" do
+      url = FactoryBot.create(:artist_url, :url => "-http://monet.com")
+      assert_equal("http://monet.com", url.url)
+      assert_equal("http://monet.com/", url.normalized_url)
+      refute(url.is_active?)
+    end
+
     should "always add a trailing slash when normalized" do
       url = FactoryBot.create(:artist_url, :url => "http://monet.com")
       assert_equal("http://monet.com", url.url)