diff --git a/app/assets/javascripts/discourse/app/pre-initializers/dynamic-route-builders.js b/app/assets/javascripts/discourse/app/pre-initializers/dynamic-route-builders.js
index b5b91a832cd..635f39f481e 100644
--- a/app/assets/javascripts/discourse/app/pre-initializers/dynamic-route-builders.js
+++ b/app/assets/javascripts/discourse/app/pre-initializers/dynamic-route-builders.js
@@ -4,6 +4,7 @@ import TagShowRoute from "discourse/routes/tag-show";
 import User from "discourse/models/user";
 import buildCategoryRoute from "discourse/routes/build-category-route";
 import buildTopicRoute from "discourse/routes/build-topic-route";
+import { dasherize } from "@ember/string";
 
 export default {
   after: "inject-discourse-objects",
@@ -39,7 +40,7 @@ export default {
 
     const site = Site.current();
     site.get("filters").forEach((filter) => {
-      const filterDasherized = filter.dasherize();
+      const filterDasherized = dasherize(filter);
       app.register(
         `controller:discovery.${filterDasherized}`,
         DiscoverySortableController.extend()
@@ -106,7 +107,7 @@ export default {
     );
 
     site.get("filters").forEach(function (filter) {
-      const filterDasherized = filter.dasherize();
+      const filterDasherized = dasherize(filter);
 
       app.register(
         `route:tag.show-${filterDasherized}`,
diff --git a/app/assets/javascripts/discourse/config/deprecation-workflow.js b/app/assets/javascripts/discourse/config/deprecation-workflow.js
index f0763859a59..18f54854e58 100644
--- a/app/assets/javascripts/discourse/config/deprecation-workflow.js
+++ b/app/assets/javascripts/discourse/config/deprecation-workflow.js
@@ -4,7 +4,6 @@ globalThis.deprecationWorkflow.config = {
   // `throwOnUnhandled` here since it is easier to toggle.
   workflow: [
     { handler: "silence", matchId: "ember-global" },
-    { handler: "silence", matchId: "ember-string.prototype-extensions" },
     { handler: "silence", matchId: "ember.built-in-components.reopen" },
     { handler: "silence", matchId: "ember.built-in-components.import" },
     { handler: "silence", matchId: "implicit-injections" },