diff --git a/src/vs/workbench/contrib/bulkEdit/browser/bulkCellEdits.ts b/src/vs/workbench/contrib/bulkEdit/browser/bulkCellEdits.ts
index 0e870b7b639..c2dc0915ead 100644
--- a/src/vs/workbench/contrib/bulkEdit/browser/bulkCellEdits.ts
+++ b/src/vs/workbench/contrib/bulkEdit/browser/bulkCellEdits.ts
@@ -72,7 +72,8 @@ export class BulkCellEdits {
 
 			// apply edits
 			const edits = group.map(entry => entry.cellEdit);
-			ref.object.notebook.applyEdits(edits, true, undefined, () => undefined, this._undoRedoGroup, true);
+			const computeUndo = !ref.object.isReadonly;
+			ref.object.notebook.applyEdits(edits, true, undefined, () => undefined, this._undoRedoGroup, computeUndo);
 			ref.dispose();
 
 			this._progress.report(undefined);
diff --git a/src/vs/workbench/contrib/notebook/browser/controller/cellOperations.ts b/src/vs/workbench/contrib/notebook/browser/controller/cellOperations.ts
index 08f3f326881..fe5975a2c3d 100644
--- a/src/vs/workbench/contrib/notebook/browser/controller/cellOperations.ts
+++ b/src/vs/workbench/contrib/notebook/browser/controller/cellOperations.ts
@@ -649,6 +649,6 @@ export function insertCellAtIndex(viewModel: NotebookViewModel, index: number, s
 				}
 			]
 		}
-	], synchronous, { kind: SelectionStateType.Index, focus: viewModel.getFocus(), selections: viewModel.getSelections() }, () => endSelections, undefined, pushUndoStop);
+	], synchronous, { kind: SelectionStateType.Index, focus: viewModel.getFocus(), selections: viewModel.getSelections() }, () => endSelections, undefined, pushUndoStop && !viewModel.options.isReadOnly);
 	return viewModel.cellAt(index)!;
 }
diff --git a/src/vs/workbench/contrib/notebook/browser/controller/editActions.ts b/src/vs/workbench/contrib/notebook/browser/controller/editActions.ts
index 06e089a7c6b..8efd2d548a8 100644
--- a/src/vs/workbench/contrib/notebook/browser/controller/editActions.ts
+++ b/src/vs/workbench/contrib/notebook/browser/controller/editActions.ts
@@ -134,7 +134,7 @@ registerAction2(class DeleteCellAction extends NotebookCellAction {
 					mac: {
 						primary: KeyMod.CtrlCmd | KeyCode.Backspace
 					},
-					when: ContextKeyExpr.and(NOTEBOOK_EDITOR_FOCUSED, NOTEBOOK_EDITOR_EDITABLE, ContextKeyExpr.not(InputFocusedContextKey)),
+					when: ContextKeyExpr.and(NOTEBOOK_EDITOR_FOCUSED, ContextKeyExpr.not(InputFocusedContextKey)),
 					weight: KeybindingWeight.WorkbenchContrib
 				},
 				menu: [
@@ -145,7 +145,6 @@ registerAction2(class DeleteCellAction extends NotebookCellAction {
 					},
 					{
 						id: MenuId.InteractiveCellDelete,
-						when: NOTEBOOK_EDITOR_EDITABLE,
 						group: CELL_TITLE_CELL_GROUP_ID
 					}
 				],
@@ -154,7 +153,7 @@ registerAction2(class DeleteCellAction extends NotebookCellAction {
 	}
 
 	async runWithContext(accessor: ServicesAccessor, context: INotebookCellActionContext) {
-		if (!context.notebookEditor.hasModel() || context.notebookEditor.isReadOnly) {
+		if (!context.notebookEditor.hasModel()) {
 			return;
 		}
 
diff --git a/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModelImpl.ts b/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModelImpl.ts
index 080427cbac2..4229a1a96d9 100644
--- a/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModelImpl.ts
+++ b/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModelImpl.ts
@@ -954,9 +954,6 @@ export class NotebookViewModel extends Disposable implements EditorFoldingStateD
 	}
 
 	async undo() {
-		if (this._options.isReadOnly) {
-			return null;
-		}
 
 		const editStack = this._undoService.getElements(this.uri);
 		const element = editStack.past.length ? editStack.past[editStack.past.length - 1] : undefined;
@@ -974,9 +971,6 @@ export class NotebookViewModel extends Disposable implements EditorFoldingStateD
 	}
 
 	async redo() {
-		if (this._options.isReadOnly) {
-			return null;
-		}
 
 		const editStack = this._undoService.getElements(this.uri);
 		const element = editStack.future[0];