diff --git a/test/jest/__mock__/index.js b/test/jest/__mock__/index.js
index be8d0d50f..d998d9a0a 100644
--- a/test/jest/__mock__/index.js
+++ b/test/jest/__mock__/index.js
@@ -10,3 +10,4 @@ import './InstancePlugin.mock';
 import './quickMarc.mock';
 import './stripesComponents.mock';
 import './reactBeautifulDnd.mock';
+import './react-virtualized-auto-sizer';
diff --git a/test/jest/__mock__/react-virtualized-auto-sizer.js b/test/jest/__mock__/react-virtualized-auto-sizer.js
new file mode 100644
index 000000000..b354a5408
--- /dev/null
+++ b/test/jest/__mock__/react-virtualized-auto-sizer.js
@@ -0,0 +1 @@
+jest.mock('react-virtualized-auto-sizer', () => ({ children }) => children({ height: 500, width: 500 }));
diff --git a/test/jest/helpers/Harness.js b/test/jest/helpers/Harness.js
index 6e8649f71..9e80ee7fe 100644
--- a/test/jest/helpers/Harness.js
+++ b/test/jest/helpers/Harness.js
@@ -6,14 +6,10 @@ import { CalloutContext } from '@folio/stripes/core';
 
 import translations from '../../../translations/ui-inventory/en';
 import prefixKeys from './prefixKeys';
-import mockOffsetSize from './mockOffsetSize';
 
 const Harness = ({
   children,
   translations: translationsConfig,
-  shouldMockOffsetSize = true,
-  width = 500,
-  height = 500,
 }) => {
   const allTranslations = prefixKeys(translations);
 
@@ -21,10 +17,6 @@ const Harness = ({
     Object.assign(allTranslations, prefixKeys(tx.translations, tx.prefix));
   });
 
-  if (shouldMockOffsetSize) {
-    mockOffsetSize(width, height);
-  }
-
   const defaultRichTextElements = ['b', 'i', 'em', 'strong', 'span', 'div', 'p', 'ul', 'ol', 'li', 'code'].reduce((res, Tag) => {
     res[Tag] = chunks => <Tag>{chunks}</Tag>;
 
diff --git a/test/jest/helpers/mockOffsetSize.js b/test/jest/helpers/mockOffsetSize.js
deleted file mode 100644
index 068698442..000000000
--- a/test/jest/helpers/mockOffsetSize.js
+++ /dev/null
@@ -1,15 +0,0 @@
-// Taken from https://github.com/bvaughn/react-virtualized-auto-sizer/blob/master/src/__tests__/AutoSizer.js
-// AutoSizer uses offsetWidth and offsetHeight.
-// Jest runs in JSDom which doesn't support measurements APIs.
-const mockOffsetSize = (width, height) => {
-  Object.defineProperty(HTMLElement.prototype, 'offsetHeight', {
-    configurable: true,
-    value: height,
-  });
-  Object.defineProperty(HTMLElement.prototype, 'offsetWidth', {
-    configurable: true,
-    value: width,
-  });
-};
-
-export default mockOffsetSize;