diff --git a/app/javascript/src/javascripts/post_tooltips.js b/app/javascript/src/javascripts/post_tooltips.js
index 883cffe31..0d76b7345 100644
--- a/app/javascript/src/javascripts/post_tooltips.js
+++ b/app/javascript/src/javascripts/post_tooltips.js
@@ -107,7 +107,7 @@ PostTooltip.on_disable_tooltips = function (event) {
   $(event.target).parents(".qtip").qtip("hide");
 
   if (Utility.meta("current-user-id") === "") {
-    $(window).trigger("danbooru:notice", '<a href="/session/new">Login</a> to disable tooltips permanently');
+    Danbooru.notice('<a href="/session/new">Login</a> to disable tooltips permanently');
     return;
   }
 
@@ -115,7 +115,7 @@ PostTooltip.on_disable_tooltips = function (event) {
     method: "PUT",
     data: { "user[disable_post_tooltips]": "true" },
   }).then(function() {
-    $(window).trigger("danbooru:notice", "Tooltips disabled; check your account settings to re-enable.");
+    Danbooru.notice("Tooltips disabled; check your account settings to re-enable.");
     location.reload();
   });
 };
diff --git a/app/javascript/src/javascripts/posts.js.erb b/app/javascript/src/javascripts/posts.js.erb
index 13f41a7c5..70546d5ef 100644
--- a/app/javascript/src/javascripts/posts.js.erb
+++ b/app/javascript/src/javascripts/posts.js.erb
@@ -251,15 +251,15 @@ Post.initialize_links = function() {
           other_post_id: other_post_id
         },
         success: function(data) {
-          $(window).trigger("danbooru:notice", "Successfully copied notes to <a href='" + other_post_id + "'>post #" + other_post_id + "</a>");
+          Danbooru.notice("Successfully copied notes to <a href='" + other_post_id + "'>post #" + other_post_id + "</a>");
         },
         error: function(data) {
           if (data.status === 404) {
-            $(window).trigger("danbooru:error", "Error: Invalid destination post");
+            Danbooru.error("Error: Invalid destination post");
           } else if (data.responseJSON && data.responseJSON.reason) {
-            $(window).trigger("danbooru:error", "Error: " + data.responseJSON.reason);
+            Danbooru.error("Error: " + data.responseJSON.reason);
           } else {
-            $(window).trigger("danbooru:error", "There was an error copying notes to <a href='" + other_post_id + "'>post #" + other_post_id + "</a>");
+            Danbooru.error("There was an error copying notes to <a href='" + other_post_id + "'>post #" + other_post_id + "</a>");
           }
         }
       });
@@ -467,14 +467,14 @@ Post.resize_ugoira_controls = function() {
 Post.notice_update = function(x) {
   if (x === "inc") {
     Post.pending_update_count += 1;
-    $(window).trigger("danbooru:notice", "Updating posts (" + Post.pending_update_count + " pending)...", true);
+    Danbooru.notice("Updating posts (" + Post.pending_update_count + " pending)...", true);
   } else {
     Post.pending_update_count -= 1;
 
     if (Post.pending_update_count < 1) {
-      $(window).trigger("danbooru:notice", "Posts updated");
+      Danbooru.notice("Posts updated");
     } else {
-      $(window).trigger("danbooru:notice", "Updating posts (" + Post.pending_update_count + " pending)...", true);
+      Danbooru.notice("Updating posts (" + Post.pending_update_count + " pending)...", true);
     }
   }
 }
@@ -493,7 +493,7 @@ Post.update_data = function(data) {
 }
 
 Post.vote = function(score, id) {
-  $(window).trigger("danbooru:notice", "Voting...");
+  Danbooru.notice("Voting...");
 
   $.post("/posts/" + id + "/votes.js", {
     score: score
@@ -518,7 +518,7 @@ Post.update = function(post_id, params) {
     },
     error: function(data) {
       Post.notice_update("dec");
-      $(window).trigger("danbooru:error", 'There was an error updating <a href="/posts/' + post_id + '">post #' + post_id + '</a>');
+      Danbooru.error(`There was an error updating <a href="/posts/${post_id}">post #${post_id}</a>`);
     }
   });
 }
@@ -534,7 +534,7 @@ Post.ban = function(post_id) {
       $("#post_" + post_id).remove();
     },
     error: function(data) {
-      $(window).trigger("danbooru:error", 'There was an error updating <a href="/posts/' + post_id + '">post #' + post_id + '</a>');
+      Danbooru.error(`There was an error updating <a href="/posts/${post_id}">post #${post_id}</a>`);
     }
   });
 }
@@ -545,13 +545,13 @@ Post.approve = function(post_id) {
     {"post_id": post_id}
   ).fail(function(data) {
     var message = $.map(data.responseJSON.errors, function(msg, attr) { return msg; }).join("; ");
-    $(window).trigger("danbooru:error", "Error: " + message);
+    Danbooru.error("Error: " + message);
   }).done(function(data) {
     var $post = $("#post_" + post_id);
     if ($post.length) {
       $post.data("flags", $post.data("flags").replace(/pending/, ""));
       $post.removeClass("post-status-pending");
-      $(window).trigger("danbooru:notice", "Approved post #" + post_id);
+      Danbooru.notice("Approved post #" + post_id);
     }
   });
 }
diff --git a/app/javascript/src/javascripts/utility.js b/app/javascript/src/javascripts/utility.js
index cd1488e76..612150753 100644
--- a/app/javascript/src/javascripts/utility.js
+++ b/app/javascript/src/javascripts/utility.js
@@ -111,14 +111,4 @@ $.fn.selectEnd = function() {
   })
 }
 
-$(function() {
-  $(window).on("danbooru:notice", function(event, msg) {
-    Utility.notice(msg);
-  })
-
-  $(window).on("danbooru:error", function(event, msg) {
-    Utility.error(msg);
-  })
-});
-
 export default Utility
diff --git a/app/views/bulk_update_requests/approve.js.erb b/app/views/bulk_update_requests/approve.js.erb
index 66e9a108a..0bcc2232b 100644
--- a/app/views/bulk_update_requests/approve.js.erb
+++ b/app/views/bulk_update_requests/approve.js.erb
@@ -1,5 +1,5 @@
 <% if @bulk_update_request.errors.any? %>
-  $(window).trigger("danbooru:error", <%= j @bulk_update_request.errors.full_messages.join(',') %>);
+  Danbooru.error(<%= j @bulk_update_request.errors.full_messages.join(',') %>);
 <% else %>
   if ($("#a-index").length) {
     $("#request-status-for-<%= @bulk_update_request.id %>").html("queued");
diff --git a/app/views/comment_votes/create.js.erb b/app/views/comment_votes/create.js.erb
index f50d47060..1bf69a8af 100644
--- a/app/views/comment_votes/create.js.erb
+++ b/app/views/comment_votes/create.js.erb
@@ -1,7 +1,7 @@
 <% if @error %>
-  $(window).trigger("danbooru:error", "<%= j @error.to_s %>");
+  Danbooru.error("<%= j @error.to_s %>");
 <% elsif @comment_vote.errors.any? %>
-  $(window).trigger("danbooru:error", "<%= j @comment_vote.errors.full_messages.join('; ') %>");
+  Danbooru.error("<%= j @comment_vote.errors.full_messages.join('; ') %>");
 <% elsif @comment_vote.is_negative? %>
   $(".comment[data-comment-id=<%= @comment.id %>]").remove();
 <% end %>
diff --git a/app/views/comment_votes/destroy.js.erb b/app/views/comment_votes/destroy.js.erb
index fb8608c6f..754b5568a 100644
--- a/app/views/comment_votes/destroy.js.erb
+++ b/app/views/comment_votes/destroy.js.erb
@@ -1,5 +1,5 @@
 <% if @error %>
-  $(window).trigger("danbooru:error", "<%= j @error.to_s %>");
+  Danbooru.error("<%= j @error.to_s %>");
 <% else %>
   $("#comment-vote-up-link-for-<%= @comment.id %>").show();
   $("#comment-vote-down-link-for-<%= @comment.id %>").show();
diff --git a/app/views/dmails/ham.js.erb b/app/views/dmails/ham.js.erb
index ac1f97242..27574002b 100644
--- a/app/views/dmails/ham.js.erb
+++ b/app/views/dmails/ham.js.erb
@@ -1,2 +1,2 @@
-$(window).trigger("danbooru:notice", "Message marked as not spam");
-$("#spam-links").hide();
\ No newline at end of file
+Danbooru.notice("Message marked as not spam");
+$("#spam-links").hide();
diff --git a/app/views/dmails/spam.js.erb b/app/views/dmails/spam.js.erb
index 8ba303901..c447171fb 100644
--- a/app/views/dmails/spam.js.erb
+++ b/app/views/dmails/spam.js.erb
@@ -1,2 +1,2 @@
-$(window).trigger("danbooru:notice", "Message marked as spam");
-$("#spam-links").hide();
\ No newline at end of file
+Danbooru.notice("Message marked as spam");
+$("#spam-links").hide();
diff --git a/app/views/favorite_groups/add_post.js.erb b/app/views/favorite_groups/add_post.js.erb
index 92fe7d9bd..b888b83f9 100644
--- a/app/views/favorite_groups/add_post.js.erb
+++ b/app/views/favorite_groups/add_post.js.erb
@@ -1,2 +1,2 @@
-$(window).trigger("danbooru:notice", "Added post to favorite group <%= escape_javascript(@favorite_group.pretty_name) %>");
+Danbooru.notice("Added post to favorite group <%= escape_javascript(@favorite_group.pretty_name) %>");
 $("#add-to-favgroup-dialog").dialog("close");
diff --git a/app/views/forum_post_votes/create.js.erb b/app/views/forum_post_votes/create.js.erb
index 32012353c..98b79da6b 100644
--- a/app/views/forum_post_votes/create.js.erb
+++ b/app/views/forum_post_votes/create.js.erb
@@ -1,7 +1,7 @@
 <% if @forum_post_vote.invalid? %>
-$(window).trigger("danbooru:error", <%= raw @forum_post_vote.errors.full_messages.join("; ").to_json %>);
+  Danbooru.error(<%= raw @forum_post_vote.errors.full_messages.join("; ").to_json %>);
 <% else %>
-$(window).trigger("danbooru:notice", "Voted");
-var code = <%= raw render(partial: "forum_post_votes/list", locals: {forum_post: @forum_post, votes: @forum_post.votes}).to_json %>;
-$("#forum-post-votes-for-<%= @forum_post.id %>").html(code);
+  Danbooru.notice("Voted");
+  var code = <%= raw render(partial: "forum_post_votes/list", locals: {forum_post: @forum_post, votes: @forum_post.votes}).to_json %>;
+  $("#forum-post-votes-for-<%= @forum_post.id %>").html(code);
 <% end %>
diff --git a/app/views/forum_post_votes/destroy.js.erb b/app/views/forum_post_votes/destroy.js.erb
index e9a9f42fb..906bd0807 100644
--- a/app/views/forum_post_votes/destroy.js.erb
+++ b/app/views/forum_post_votes/destroy.js.erb
@@ -1,3 +1,3 @@
-$(window).trigger("danbooru:notice", "Unvoted");
+Danbooru.notice("Unvoted");
 var code = <%= raw render(partial: "forum_post_votes/list", locals: {forum_post: @forum_post, votes: @forum_post.votes}).to_json %>;
 $("#forum-post-votes-for-<%= @forum_post.id %>").html(code);
diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index 790043c20..0b5229dc0 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -78,14 +78,10 @@
     if (typeof window.Danbooru !== "object") {
       window.Danbooru = {};
     }
-    window.Danbooru.notice = function(msg) {
-      console.warn("Danbooru.notice will be deprecated. Use $(window).trigger('danbooru:notice', msg) instead.")
-      $(window).trigger("danbooru:notice", msg);
-    }
-    window.Danbooru.error = function(msg) {
-      console.warn("Danbooru.error will be deprecated. Use $(window).trigger('danbooru:error', msg) instead.")
-      $(window).trigger("danbooru:error", msg);
-    }
+
+    window.Danbooru.notice = Danbooru.Utility.notice;
+    window.Danbooru.error = Danbooru.Utility.error;
+
     window._paq = window._paq || [];
     <% if CurrentUser.is_member? && !CurrentUser.opt_out_tracking? %>
       window._paq.push(["setUserId", '<%= CurrentUser.id %>']);
diff --git a/app/views/maintenance/user/api_keys/update.js.erb b/app/views/maintenance/user/api_keys/update.js.erb
index 1d57ee2f5..13095d77e 100644
--- a/app/views/maintenance/user/api_keys/update.js.erb
+++ b/app/views/maintenance/user/api_keys/update.js.erb
@@ -1,9 +1,9 @@
 <% if @api_key.errors.any? %>
-  $(window).trigger("danbooru:error", "<%= j @api_key.errors.full_messages.join(', ') %>");
+  Danbooru.error("<%= j @api_key.errors.full_messages.join(', ') %>");
 <% else %>
   $("#api-key").text("<%= j @api_key.key %>");
   $("#api-key-created").html("<%= j compact_time @api_key.created_at %>");
   $("#api-key-updated").html("<%= j compact_time @api_key.updated_at %>");
 
-  $(window).trigger("danbooru:notice", "API key regenerated.");
+  Danbooru.notice("API key regenerated.");
 <% end %>
diff --git a/app/views/moderator/post/approvals/create.js.erb b/app/views/moderator/post/approvals/create.js.erb
index 75446fd0e..163e7c8b3 100644
--- a/app/views/moderator/post/approvals/create.js.erb
+++ b/app/views/moderator/post/approvals/create.js.erb
@@ -1,11 +1,11 @@
 <% if @approval.errors.any? %>
-  $(window).trigger("danbooru:error", "Error: " + <%= @approval.errors.full_messages.join("; ").to_json.html_safe %>);
+  Danbooru.error("Error: " + <%= @approval.errors.full_messages.join("; ").to_json.html_safe %>);
 <% else %>
   if ($("#c-posts #a-show").length) {
     location.reload();
   } else if ($("#c-moderator-post-queues").length) {
     $("#c-moderator-post-queues #post-<%= @approval.post.id %>").hide();
     $(window).trigger("danbooru:modqueue_increment_processed");
-    $(window).trigger("danbooru:notice", "Post was approved");
+    Danbooru.notice("Post was approved");
   }
 <% end %>
diff --git a/app/views/moderator/post/disapprovals/create.js.erb b/app/views/moderator/post/disapprovals/create.js.erb
index f845236ed..4cdb1bb88 100644
--- a/app/views/moderator/post/disapprovals/create.js.erb
+++ b/app/views/moderator/post/disapprovals/create.js.erb
@@ -1,11 +1,11 @@
 <% if @post_disapproval.errors.any? %>
-  $(window).trigger("danbooru:error", "Error: " + <%= @post_disapproval.errors.full_messages.join("; ").to_json.html_safe %>);
+  Danbooru.error("Error: " + <%= @post_disapproval.errors.full_messages.join("; ").to_json.html_safe %>);
 <% else %>
   if ($("#c-posts #a-show").length) {
     location.reload();
   } else if ($("#c-moderator-post-queues").length) {
     $("#c-moderator-post-queues #post-<%= @post_disapproval.post.id %>").hide();
     $(window).trigger("danbooru:modqueue_increment_processed");
-    $(window).trigger("danbooru:notice", "Post was hidden");
+    Danbooru.notice("Post was hidden");
   }
 <% end %>
diff --git a/app/views/moderator/post/posts/expunge.js.erb b/app/views/moderator/post/posts/expunge.js.erb
index b078adf19..66f89341d 100644
--- a/app/views/moderator/post/posts/expunge.js.erb
+++ b/app/views/moderator/post/posts/expunge.js.erb
@@ -1,7 +1,7 @@
 <% if @post.errors.any? %>
-  $(window).trigger("danbooru:error", "<%= j @post.errors.full_messages.join('; ') %>");
+  Danbooru.error("<%= j @post.errors.full_messages.join('; ') %>");
 <% elsif @error %>
-  $(window).trigger("danbooru:error", "<%= j @error.to_s %>");
+  Danbooru.error("<%= j @error.to_s %>");
 <% else %>
-  $(window).trigger("danbooru:notice", "Post was permanently deleted");
+  Danbooru.notice("Post was permanently deleted");
 <% end %>
diff --git a/app/views/moderator/post/posts/undelete.js.erb b/app/views/moderator/post/posts/undelete.js.erb
index af8840051..9a74206f4 100644
--- a/app/views/moderator/post/posts/undelete.js.erb
+++ b/app/views/moderator/post/posts/undelete.js.erb
@@ -1,3 +1,3 @@
 $("#c-posts #delete").show();
 $("#c-posts #undelete").hide();
-$(window).trigger("danbooru:notice", "Post was undeleted");
+Danbooru.notice("Post was undeleted");
diff --git a/app/views/pool_elements/create.js.erb b/app/views/pool_elements/create.js.erb
index 7ffe4c7d1..9ec4c14ee 100644
--- a/app/views/pool_elements/create.js.erb
+++ b/app/views/pool_elements/create.js.erb
@@ -1,5 +1,5 @@
 <% if @error %>
-  $(window).trigger("danbooru:error", "<%= j @error.to_s %>");
+  Danbooru.error("<%= j @error.to_s %>");
 <% else %>
   location.reload();
 <% end %>
diff --git a/app/views/post_appeals/create.js.erb b/app/views/post_appeals/create.js.erb
index 3369accd9..938c5705a 100644
--- a/app/views/post_appeals/create.js.erb
+++ b/app/views/post_appeals/create.js.erb
@@ -1,6 +1,6 @@
 var errors = "<%= j @post_appeal.errors.full_messages.join("; ") %>";
 if (errors.length > 0) {
-  $(window).trigger("danbooru:error", errors);
+  Danbooru.error(errors);
 } else {
-  $(window).trigger("danbooru:notice", "Post appealed");
+  Danbooru.notice("Post appealed");
 }
diff --git a/app/views/post_flags/create.js.erb b/app/views/post_flags/create.js.erb
index e7ba070de..5e5f9b804 100644
--- a/app/views/post_flags/create.js.erb
+++ b/app/views/post_flags/create.js.erb
@@ -1,8 +1,8 @@
 var errors = <%= @post_flag.errors.full_messages.to_json.html_safe %>;
 if (errors.length > 0) {
-  $(window).trigger("danbooru:error", errors.join("; "));
+  Danbooru.error(errors.join("; "));
 } else {
-  $(window).trigger("danbooru:notice", "Post flagged");
+  Danbooru.notice("Post flagged");
   $("a#approve").show();
   $("a#disapprove").show();
 }
diff --git a/app/views/saved_searches/create.js.erb b/app/views/saved_searches/create.js.erb
index deb5c100d..87573ac1c 100644
--- a/app/views/saved_searches/create.js.erb
+++ b/app/views/saved_searches/create.js.erb
@@ -1,5 +1,5 @@
 <% if @saved_search.errors.any? %>
-  $(window).trigger("danbooru:error", "<%= j @saved_search.errors.full_messages.join(', ') %>");
+  Danbooru.error("<%= j @saved_search.errors.full_messages.join(', ') %>");
 <% else %>
-  $(window).trigger("danbooru:notice", "Search '<%= j @saved_search.query %>' was saved");
+  Danbooru.notice("Search '<%= j @saved_search.query %>' was saved");
 <% end %>
diff --git a/app/views/saved_searches/destroy.js.erb b/app/views/saved_searches/destroy.js.erb
index 4df0e8a1b..81438cffd 100644
--- a/app/views/saved_searches/destroy.js.erb
+++ b/app/views/saved_searches/destroy.js.erb
@@ -1,4 +1,4 @@
-$(window).trigger("danbooru:notice", "Search '<%= j @saved_search.query %>' was deleted");
+Danbooru.notice("Search '<%= j @saved_search.query %>' was deleted");
 $("#saved-searches-nav").html("<%= j render('saved_searches/interface', :saved_searches => CurrentUser.user.saved_searches) %>");
 $(window).trigger("danbooru:initialize_saved_searches");
 $("#saved-search-<%= @saved_search.id %>").remove();