diff --git a/src/vs/workbench/contrib/notebook/browser/view/cellParts/cellDecorations.ts b/src/vs/workbench/contrib/notebook/browser/view/cellParts/cellDecorations.ts
index d2f8fe10881f1..2d11b839ffd01 100644
--- a/src/vs/workbench/contrib/notebook/browser/view/cellParts/cellDecorations.ts
+++ b/src/vs/workbench/contrib/notebook/browser/view/cellParts/cellDecorations.ts
@@ -4,39 +4,42 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as DOM from 'vs/base/browser/dom';
-import { Disposable } from 'vs/base/common/lifecycle';
 import { ICellViewModel } from 'vs/workbench/contrib/notebook/browser/notebookBrowser';
+import { CellViewModelStateChangeEvent } from 'vs/workbench/contrib/notebook/browser/notebookViewEvents';
+import { CellPart } from 'vs/workbench/contrib/notebook/browser/view/cellParts/cellPart';
+import { BaseCellRenderTemplate } from 'vs/workbench/contrib/notebook/browser/view/notebookRenderingCommon';
 
-export class CellDecorations extends Disposable {
+export class CellDecorations extends CellPart {
 	constructor(
-		rootContainer: HTMLElement,
-		decorationContainer: HTMLElement,
-		element: ICellViewModel
+		readonly rootContainer: HTMLElement,
+		readonly decorationContainer: HTMLElement,
 	) {
 		super();
+	}
 
+	renderCell(element: ICellViewModel, templateData: BaseCellRenderTemplate): void {
 		const removedClassNames: string[] = [];
-		rootContainer.classList.forEach(className => {
+		this.rootContainer.classList.forEach(className => {
 			if (/^nb\-.*$/.test(className)) {
 				removedClassNames.push(className);
 			}
 		});
 
 		removedClassNames.forEach(className => {
-			rootContainer.classList.remove(className);
+			this.rootContainer.classList.remove(className);
 		});
 
-		decorationContainer.innerText = '';
+		this.decorationContainer.innerText = '';
 
 		const generateCellTopDecorations = () => {
-			decorationContainer.innerText = '';
+			this.decorationContainer.innerText = '';
 
 			element.getCellDecorations().filter(options => options.topClassName !== undefined).forEach(options => {
-				decorationContainer.append(DOM.$(`.${options.topClassName!}`));
+				this.decorationContainer.append(DOM.$(`.${options.topClassName!}`));
 			});
 		};
 
-		this._register(element.onCellDecorationsChanged((e) => {
+		templateData.elementDisposables.add(element.onCellDecorationsChanged((e) => {
 			const modified = e.added.find(e => e.topClassName) || e.removed.find(e => e.topClassName);
 
 			if (modified) {
@@ -46,4 +49,13 @@ export class CellDecorations extends Disposable {
 
 		generateCellTopDecorations();
 	}
+
+	prepareLayout(): void {
+	}
+
+	updateInternalLayoutNow(element: ICellViewModel): void {
+	}
+
+	updateState(element: ICellViewModel, e: CellViewModelStateChangeEvent): void {
+	}
 }
diff --git a/src/vs/workbench/contrib/notebook/browser/view/notebookRenderingCommon.ts b/src/vs/workbench/contrib/notebook/browser/view/notebookRenderingCommon.ts
index 444cae7b626f4..f8f35de3a858b 100644
--- a/src/vs/workbench/contrib/notebook/browser/view/notebookRenderingCommon.ts
+++ b/src/vs/workbench/contrib/notebook/browser/view/notebookRenderingCommon.ts
@@ -98,7 +98,6 @@ export interface BaseCellRenderTemplate {
 	instantiationService: IInstantiationService;
 	container: HTMLElement;
 	cellContainer: HTMLElement;
-	decorationContainer: HTMLElement;
 	readonly templateDisposables: DisposableStore;
 	readonly elementDisposables: DisposableStore;
 	currentRenderedCell?: ICellViewModel;
diff --git a/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts b/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts
index 463d3b3b1b1ae..539c77be9bab0 100644
--- a/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts
+++ b/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts
@@ -106,7 +106,6 @@ abstract class AbstractCellRenderer {
 	}
 
 	protected commonRenderElement(element: ICellViewModel, templateData: BaseCellRenderTemplate): void {
-		templateData.elementDisposables.add(new CellDecorations(templateData.rootContainer, templateData.decorationContainer, element));
 	}
 }
 
@@ -170,12 +169,15 @@ export class MarkupCellRenderer extends AbstractCellRenderer implements IListRen
 		const foldedCellHint = templateDisposables.add(scopedInstaService.createInstance(FoldedCellHint, this.notebookEditor, DOM.append(container, $('.notebook-folded-hint'))));
 
 		const focusIndicator = templateDisposables.add(new CellFocusIndicator(this.notebookEditor, titleToolbar, focusIndicatorTop, focusIndicatorLeft, focusIndicatorRight, focusIndicatorBottom));
+		const cellDecorationsPart = templateDisposables.add(new CellDecorations(rootContainer, decorationContainer));
+
 		const cellParts = [
 			betweenCellToolbar,
 			titleToolbar,
 			statusBar,
 			focusIndicator,
 			foldedCellHint,
+			cellDecorationsPart,
 			templateDisposables.add(new CollapsedCellInput(this.notebookEditor, cellInputCollapsedContainer)),
 			templateDisposables.add(new CellFocusPart(container, undefined, this.notebookEditor)),
 			templateDisposables.add(new CellDragAndDropPart(container)),
@@ -187,7 +189,6 @@ export class MarkupCellRenderer extends AbstractCellRenderer implements IListRen
 			cellInputCollapsedContainer,
 			instantiationService: scopedInstaService,
 			container,
-			decorationContainer,
 			cellContainer: innerContent,
 			editorPart,
 			editorContainer,
@@ -319,6 +320,7 @@ export class CodeCellRenderer extends AbstractCellRenderer implements IListRende
 			this.notebookEditor));
 
 		const focusIndicatorPart = templateDisposables.add(new CellFocusIndicator(this.notebookEditor, titleToolbar, focusIndicatorTop, focusIndicatorLeft, focusIndicatorRight, focusIndicatorBottom));
+		const cellDecorationsPart = templateDisposables.add(new CellDecorations(rootContainer, decorationContainer));
 		const cellParts = [
 			focusIndicatorPart,
 			templateDisposables.add(scopedInstaService.createInstance(BetweenCellToolbar, this.notebookEditor, titleToolbarContainer, bottomCellToolbarContainer)),
@@ -326,6 +328,7 @@ export class CodeCellRenderer extends AbstractCellRenderer implements IListRende
 			progressBar,
 			titleToolbar,
 			runToolbar,
+			cellDecorationsPart,
 			templateDisposables.add(new CellExecutionPart(this.notebookEditor, executionOrderLabel)),
 			templateDisposables.add(this.instantiationService.createInstance(CollapsedCellOutput, this.notebookEditor, cellOutputCollapsedContainer)),
 			templateDisposables.add(new CollapsedCellInput(this.notebookEditor, cellInputCollapsedContainer)),
@@ -341,7 +344,6 @@ export class CodeCellRenderer extends AbstractCellRenderer implements IListRende
 			cellOutputCollapsedContainer,
 			instantiationService: scopedInstaService,
 			container,
-			decorationContainer,
 			cellContainer,
 			statusBar,
 			focusSinkElement,