diff --git a/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts b/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts
index c5439c33e79..bc9632cd2a3 100644
--- a/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts
+++ b/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts
@@ -158,48 +158,6 @@ async function webviewPreloads(style: PreloadStyles, options: PreloadOptions, re
 		};
 	};
 
-	const runRenderScript = async (url: string, rendererId: string): Promise<ScriptModule> => {
-		const text = await loadScriptSource(url);
-		// TODO: Support both the new module based renderers and the old style global renderers
-		const isModule = !text.includes('acquireNotebookRendererApi');
-		if (isModule) {
-			return __import(url);
-		} else {
-			return createBackCompatModule(rendererId, url, text);
-		}
-	};
-
-	const createBackCompatModule = (rendererId: string, scriptUrl: string, scriptText: string): ScriptModule => ({
-		activate: (): RendererApi => {
-			const onDidCreateOutput = createEmitter<IOutputItem>();
-			const onWillDestroyOutput = createEmitter<undefined | IDestroyCellInfo>();
-
-			const globals = {
-				scriptUrl,
-				acquireNotebookRendererApi: <T>(): GlobalNotebookRendererApi<T> => ({
-					onDidCreateOutput: onDidCreateOutput.event,
-					onWillDestroyOutput: onWillDestroyOutput.event,
-					setState: newState => vscode.setState({ ...vscode.getState(), [rendererId]: newState }),
-					getState: () => {
-						const state = vscode.getState();
-						return typeof state === 'object' && state ? state[rendererId] as T : undefined;
-					},
-				}),
-			};
-
-			invokeSourceWithGlobals(scriptText, globals);
-
-			return {
-				renderOutputItem(outputItem) {
-					onDidCreateOutput.fire({ ...outputItem, outputId: outputItem.id });
-				},
-				disposeOutputItem(id) {
-					onWillDestroyOutput.fire(id ? { outputId: id } : undefined);
-				}
-			};
-		}
-	});
-
 	const dimensionUpdater = new class {
 		private readonly pending = new Map<string, webviewMessages.DimensionUpdate>();
 
@@ -477,20 +435,8 @@ async function webviewPreloads(style: PreloadStyles, options: PreloadOptions, re
 		bytes(): Uint8Array;
 	}
 
-	interface IDestroyCellInfo {
-		outputId: string;
-	}
-
 	const onDidReceiveKernelMessage = createEmitter<unknown>();
 
-	/** @deprecated */
-	interface GlobalNotebookRendererApi<T> {
-		setState: (newState: T) => void;
-		getState(): T | undefined;
-		readonly onWillDestroyOutput: Event<undefined | IDestroyCellInfo>;
-		readonly onDidCreateOutput: Event<IOutputItem>;
-	}
-
 	const kernelPreloadGlobals = {
 		acquireVsCodeApi,
 		onDidReceiveKernelMessage: onDidReceiveKernelMessage.event,
@@ -766,7 +712,7 @@ async function webviewPreloads(style: PreloadStyles, options: PreloadOptions, re
 
 		/** Inner function cached in the _loadPromise(). */
 		private async _load(): Promise<RendererApi | undefined> {
-			const module = await runRenderScript(this.data.entrypoint, this.data.id);
+			const module = await __import(this.data.entrypoint);
 			if (!module) {
 				return;
 			}