diff --git a/extensions/markdown-math/notebook/svg-test.ts b/extensions/markdown-math/notebook/svg-test.ts
deleted file mode 100644
index e236c461b3e..00000000000
--- a/extensions/markdown-math/notebook/svg-test.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-import type { ActivationFunction } from 'vscode-notebook-renderer';
-
-const activate: ActivationFunction = (_ctx) => {
-	return {
-		renderOutputItem: (item, element) => {
-			const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
-			svg.setAttribute('viewBox', '0 0 300 100');
-
-			svg.innerHTML = item.text();
-			element.innerText = '';
-
-			element.appendChild(svg);
-		}
-	};
-};
-
-export { activate };