diff --git a/app/assets/javascripts/discourse/ember-cli-build.js b/app/assets/javascripts/discourse/ember-cli-build.js
index e22b64adb45..abd43ee512a 100644
--- a/app/assets/javascripts/discourse/ember-cli-build.js
+++ b/app/assets/javascripts/discourse/ember-cli-build.js
@@ -70,9 +70,6 @@ module.exports = function (defaults) {
             util: require.resolve("util/"),
             // Also for sinon
             timers: false,
-            // For source-map-support
-            path: require.resolve("path-browserify"),
-            fs: false,
           },
         },
         module: {
@@ -225,13 +222,6 @@ module.exports = function (defaults) {
             },
           },
         },
-        resolve: {
-          fallback: {
-            // For source-map-support
-            path: require.resolve("path-browserify"),
-            fs: false,
-          },
-        },
       },
     },
   });
diff --git a/app/assets/javascripts/discourse/package.json b/app/assets/javascripts/discourse/package.json
index 37c4beac8f5..f398582008d 100644
--- a/app/assets/javascripts/discourse/package.json
+++ b/app/assets/javascripts/discourse/package.json
@@ -95,7 +95,6 @@
     "loader.js": "^4.7.0",
     "message-bus-client": "^4.3.8",
     "messageformat": "0.1.5",
-    "path-browserify": "^1.0.1",
     "pretender": "^3.4.7",
     "qunit": "^2.20.0",
     "qunit-dom": "^2.0.0",
@@ -104,7 +103,6 @@
     "sinon": "^16.0.0",
     "float-kit": "1.0.0",
     "source-map": "^0.7.4",
-    "source-map-support": "^0.5.21",
     "terser": "^5.20.0",
     "truth-helpers": "1.0.0",
     "util": "^0.12.5",
diff --git a/app/assets/javascripts/discourse/tests/setup-tests.js b/app/assets/javascripts/discourse/tests/setup-tests.js
index 3dd3709d834..60b010d5bb3 100644
--- a/app/assets/javascripts/discourse/tests/setup-tests.js
+++ b/app/assets/javascripts/discourse/tests/setup-tests.js
@@ -42,13 +42,6 @@ import SiteSettingService from "discourse/services/site-settings";
 import jQuery from "jquery";
 import { setupDeprecationCounter } from "discourse/tests/helpers/deprecation-counter";
 import { configureRaiseOnDeprecation } from "discourse/tests/helpers/raise-on-deprecation";
-import SourceMapSupport from "source-map-support";
-
-// Updates Error.stack to include source-mapped locations.
-// Makes QUnit errors more human-readable
-SourceMapSupport.install({
-  handleUncaughtExceptions: false,
-});
 
 const Plugin = $.fn.modal;
 const Modal = Plugin.Constructor;
@@ -309,18 +302,8 @@ export default function setupTests(config) {
       throw new Error(error);
     };
 
-    pretender.checkPassthrough = (request) => {
-      const requestUrl = new URL(request.url, location.href);
-      if (
-        requestUrl.origin === location.origin &&
-        requestUrl.pathname.startsWith("/assets/")
-      ) {
-        // Likely a request from source-map-support package
-        return true;
-      }
-
-      return request.requestHeaders["Discourse-Script"];
-    };
+    pretender.checkPassthrough = (request) =>
+      request.requestHeaders["Discourse-Script"];
 
     applyPretender(ctx.module, pretender, pretenderHelpers());
 
@@ -412,7 +395,6 @@ export default function setupTests(config) {
   setupToolbar();
   reportMemoryUsageAfterTests();
   patchFailedAssertion();
-  patchStacktraceOrigin();
 
   if (!hasPluginJs && !hasThemeJs) {
     configureRaiseOnDeprecation();
@@ -440,25 +422,6 @@ function patchFailedAssertion() {
   };
 }
 
-/**
- * Stacktraces tend to look something like `http://localhost:4200/assets/...`.
- * This patch removes the `http://localhost:4200` part to make things cleaner.
- */
-function patchStacktraceOrigin() {
-  const oldPushResult = QUnit.assert.pushResult;
-
-  QUnit.assert.pushResult = function (resultInfo) {
-    if (resultInfo.source) {
-      resultInfo.source = resultInfo.source.replaceAll(
-        `${window.origin}/`,
-        "/"
-      );
-    }
-
-    oldPushResult.call(this, resultInfo);
-  };
-}
-
 function handleLegacyParameters() {
   for (const param of [
     "qunit_single_plugin",
diff --git a/app/assets/javascripts/yarn.lock b/app/assets/javascripts/yarn.lock
index 4d006b45310..95afcc91ae1 100644
--- a/app/assets/javascripts/yarn.lock
+++ b/app/assets/javascripts/yarn.lock
@@ -8782,11 +8782,6 @@ patch-package@^8.0.0:
     tmp "^0.0.33"
     yaml "^2.2.2"
 
-path-browserify@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-1.0.1.tgz#d98454a9c3753d5790860f16f68867b9e46be1fd"
-  integrity sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g==
-
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -9866,7 +9861,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.21, source-map-support@~0.5.20:
+source-map-support@~0.5.20:
   version "0.5.21"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
   integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==