diff --git a/src/vs/workbench/contrib/chat/browser/widget/chatContentParts/chatTodoListWidget.ts b/src/vs/workbench/contrib/chat/browser/widget/chatContentParts/chatTodoListWidget.ts
index c58fdfc1206..d21b5f1af40 100644
--- a/src/vs/workbench/contrib/chat/browser/widget/chatContentParts/chatTodoListWidget.ts
+++ b/src/vs/workbench/contrib/chat/browser/widget/chatContentParts/chatTodoListWidget.ts
@@ -199,6 +199,7 @@ export class ChatTodoListWidget extends Disposable {
 	private createClearButton(): void {
 		this.clearButton = new Button(this.clearButtonContainer, {
 			supportIcons: true,
+			ariaLabel: localize('chat.todoList.clearButton', 'Clear all todos'),
 		});
 		this.clearButton.element.tabIndex = 0;
 		this.clearButton.icon = Codicon.clearAll;
diff --git a/test/smoke/src/areas/accessibility/accessibility.test.ts b/test/smoke/src/areas/accessibility/accessibility.test.ts
index d6f02874590..7f912764a04 100644
--- a/test/smoke/src/areas/accessibility/accessibility.test.ts
+++ b/test/smoke/src/areas/accessibility/accessibility.test.ts
@@ -122,7 +122,9 @@ export function setup(logger: Logger, opts: { web?: boolean }, quality: Quality)
 							// These are used intentionally for selection semantics even though technically not spec-compliant
 							'aria-allowed-attr': ['monaco-list', 'monaco-list-row'],
 							// Some icon buttons have empty aria-label during rendering
-							'aria-command-name': ['codicon-plus']
+							'aria-command-name': ['codicon-plus'],
+							// Todo list widget has clear button nested inside expander button for layout purposes
+							'nested-interactive': ['todo-list-container']
 						}
 					});
 				});
@@ -158,7 +160,9 @@ export function setup(logger: Logger, opts: { web?: boolean }, quality: Quality)
 							// These are used intentionally for selection semantics even though technically not spec-compliant
 							'aria-allowed-attr': ['monaco-list', 'monaco-list-row'],
 							// Some icon buttons have empty aria-label during rendering
-							'aria-command-name': ['codicon-plus']
+							'aria-command-name': ['codicon-plus'],
+							// Todo list widget has clear button nested inside expander button for layout purposes
+							'nested-interactive': ['todo-list-container']
 						}
 					});
 				});