diff --git a/src/vs/workbench/contrib/chat/browser/widget/chatListRenderer.ts b/src/vs/workbench/contrib/chat/browser/widget/chatListRenderer.ts
index 6e6c928e69c..be0d5847e3c 100644
--- a/src/vs/workbench/contrib/chat/browser/widget/chatListRenderer.ts
+++ b/src/vs/workbench/contrib/chat/browser/widget/chatListRenderer.ts
@@ -1969,10 +1969,10 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 
 		// Factory that creates the tool invocation part with all necessary setup
 		let lazilyCreatedPart: ChatToolInvocationPart | undefined = undefined;
-		const createToolPart = (): { domNode: HTMLElement; disposable: ChatToolInvocationPart; part: ChatToolInvocationPart } => {
+		const createToolPart = (): { domNode: HTMLElement; part: ChatToolInvocationPart } => {
 			lazilyCreatedPart = this.instantiationService.createInstance(ChatToolInvocationPart, toolInvocation, context, this.chatContentMarkdownRenderer, this._contentReferencesListPool, this._toolEditorPool, () => this._currentLayoutWidth.get(), this._toolInvocationCodeBlockCollection, this._announcedToolProgressKeys, codeBlockStartIndex);
 			this.handleRenderedCodeblocks(context.element, lazilyCreatedPart, codeBlockStartIndex);
-			return { domNode: lazilyCreatedPart.domNode, disposable: lazilyCreatedPart, part: lazilyCreatedPart };
+			return { domNode: lazilyCreatedPart.domNode, part: lazilyCreatedPart };
 		};
 
 		// handling for when we want to put tool invocations inside a thinking part
@@ -2028,7 +2028,7 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 		toolInvocation: IChatToolInvocation | IChatToolInvocationSerialized,
 		thinkingPart: ChatThinkingContentPart,
 		getCreatedPart: () => ChatToolInvocationPart | undefined,
-		createToolPart: () => { domNode: HTMLElement; disposable: ChatToolInvocationPart; part: ChatToolInvocationPart },
+		createToolPart: () => { domNode: HTMLElement; part: ChatToolInvocationPart },
 		context: IChatContentPartRenderContext,
 		templateData: IChatListItemTemplate
 	): void {