diff --git a/.discourse-compatibility b/.discourse-compatibility
index 153628c3..cced5d45 100644
--- a/.discourse-compatibility
+++ b/.discourse-compatibility
@@ -1,4 +1,4 @@
-< 3.4.0.beta3-dev: ecf1bb49d737ea15308400f22f89d1d1e71d13d
+< 3.4.0.beta3-dev: decf1bb49d737ea15308400f22f89d1d1e71d13d
 < 3.4.0.beta1-dev: 9d887ad4ace8e33c3fe7dbb39237e882c08b4f0b
 < 3.3.0.beta5-dev: 4d8090002f6dcd8e34d41033606bf131fa221475
 < 3.3.0.beta2-dev: 61890b667c06299841ae88946f84a112f00060e1
diff --git a/assets/javascripts/discourse/lib/utilities.js b/assets/javascripts/discourse/lib/utilities.js
index c4f1e7af..840a2496 100644
--- a/assets/javascripts/discourse/lib/utilities.js
+++ b/assets/javascripts/discourse/lib/utilities.js
@@ -1,9 +1,6 @@
 import { htmlSafe } from "@ember/template";
 import { escapeExpression } from "discourse/lib/utilities";
 
-export const IMAGE_MARKDOWN_REGEX =
-  /!\[(.*?)\|(\d{1,4}x\d{1,4})(,\s*\d{1,3}%)?(.*?)\]\((upload:\/\/.*?)\)(?!(.*`))/g;
-
 export function jsonToHtml(json) {
   if (json === null) {
     return "null";
diff --git a/assets/javascripts/discourse/services/image-caption-popup.js b/assets/javascripts/discourse/services/image-caption-popup.js
index 2619acf6..ef3b01bd 100644
--- a/assets/javascripts/discourse/services/image-caption-popup.js
+++ b/assets/javascripts/discourse/services/image-caption-popup.js
@@ -1,6 +1,6 @@
 import { tracked } from "@glimmer/tracking";
 import Service, { inject as service } from "@ember/service";
-import { IMAGE_MARKDOWN_REGEX } from "../lib/utilities";
+import { IMAGE_MARKDOWN_REGEX } from "discourse/lib/uploads";
 
 export default class ImageCaptionPopup extends Service {
   @service composer;
diff --git a/assets/javascripts/initializers/ai-image-caption.js b/assets/javascripts/initializers/ai-image-caption.js
index 245da8a7..9963e94a 100644
--- a/assets/javascripts/initializers/ai-image-caption.js
+++ b/assets/javascripts/initializers/ai-image-caption.js
@@ -1,9 +1,12 @@
 import { ajax } from "discourse/lib/ajax";
 import { extractError, popupAjaxError } from "discourse/lib/ajax-error";
 import { apiInitializer } from "discourse/lib/api";
-import { getUploadMarkdown, isImage } from "discourse/lib/uploads";
+import {
+  getUploadMarkdown,
+  IMAGE_MARKDOWN_REGEX,
+  isImage,
+} from "discourse/lib/uploads";
 import I18n from "discourse-i18n";
-import { IMAGE_MARKDOWN_REGEX } from "../discourse/lib/utilities";
 
 export default apiInitializer("1.25.0", (api) => {
   const buttonAttrs = {