diff --git a/package.json b/package.json
index df3f4afd52..4e9b17feb5 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,6 @@
     "punycode": "2.3.1",
     "qr-scanner": "1.4.2",
     "qrcode": "1.5.3",
-    "resize-observer-polyfill": "1.5.1",
     "roboto-fontface": "0.10.0",
     "rrule": "2.8.1",
     "sortablejs": "1.15.1",
diff --git a/src/resources/compatibility.ts b/src/resources/compatibility.ts
index e64d9425fb..75ca9bace8 100644
--- a/src/resources/compatibility.ts
+++ b/src/resources/compatibility.ts
@@ -1,11 +1,9 @@
 // Caution before editing - For latest builds, this module is replaced with emptiness and thus not imported (see build-scripts/bundle.js)
 import "lit/polyfill-support";
 
-import ResizeObserver from "resize-observer-polyfill";
+import ResizeObserver from "@lit-labs/virtualizer/polyfills/resize-observer-polyfill/ResizeObserver";
 
-if (!window.ResizeObserver) {
-  window.ResizeObserver = ResizeObserver;
-}
+window.ResizeObserver = ResizeObserver;
 
 // Source: https://github.com/jserz/js_piece/blob/master/DOM/ParentNode/append()/append().md
 (function (arr) {
diff --git a/yarn.lock b/yarn.lock
index 4c909d5de1..b1dd8387a8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9761,7 +9761,6 @@ __metadata:
     punycode: "npm:2.3.1"
     qr-scanner: "npm:1.4.2"
     qrcode: "npm:1.5.3"
-    resize-observer-polyfill: "npm:1.5.1"
     roboto-fontface: "npm:0.10.0"
     rollup: "npm:2.79.1"
     rollup-plugin-string: "npm:3.0.0"
@@ -13725,13 +13724,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"resize-observer-polyfill@npm:1.5.1":
-  version: 1.5.1
-  resolution: "resize-observer-polyfill@npm:1.5.1"
-  checksum: e10ee50cd6cf558001de5c6fb03fee15debd011c2f694564b71f81742eef03fb30d6c2596d1d5bf946d9991cb692fcef529b7bd2e4057041377ecc9636c753ce
-  languageName: node
-  linkType: hard
-
 "resolve-cwd@npm:^3.0.0":
   version: 3.0.0
   resolution: "resolve-cwd@npm:3.0.0"