diff --git a/src/vs/workbench/contrib/inlineChat/browser/inlineChatSession.ts b/src/vs/workbench/contrib/inlineChat/browser/inlineChatSession.ts
index bafa69df542..d120ffeb811 100644
--- a/src/vs/workbench/contrib/inlineChat/browser/inlineChatSession.ts
+++ b/src/vs/workbench/contrib/inlineChat/browser/inlineChatSession.ts
@@ -128,7 +128,6 @@ export class SessionWholeRange {
 
 export class Session {
 
-	private _lastInput: SessionPrompt | undefined;
 	private _isUnstashed: boolean = false;
 	private readonly _exchanges: SessionExchange[];
 	private readonly _startTime = new Date();
@@ -155,7 +154,6 @@ export class Session {
 		readonly hunkData: HunkData,
 		readonly chatModel: ChatModel,
 		exchanges?: SessionExchange[],
-		lastInput?: SessionPrompt,
 	) {
 		this.textModelNAltVersion = textModelN.getAlternativeVersionId();
 		this._teldata = {
@@ -173,15 +171,6 @@ export class Session {
 			responseTypes: ''
 		};
 		this._exchanges = exchanges ?? [];
-		this._lastInput = lastInput;
-	}
-
-	addInput(input: SessionPrompt): void {
-		this._lastInput = input;
-	}
-
-	get lastInput() {
-		return this._lastInput;
 	}
 
 	get isUnstashed(): boolean {
diff --git a/src/vs/workbench/contrib/inlineChat/browser/inlineChatSessionServiceImpl.ts b/src/vs/workbench/contrib/inlineChat/browser/inlineChatSessionServiceImpl.ts
index 82745f05187..a6a4c9b4c46 100644
--- a/src/vs/workbench/contrib/inlineChat/browser/inlineChatSessionServiceImpl.ts
+++ b/src/vs/workbench/contrib/inlineChat/browser/inlineChatSessionServiceImpl.ts
@@ -127,7 +127,6 @@ export class InlineChatSessionServiceImpl implements IInlineChatSessionService {
 			const { response } = e.request;
 
 			const prompt = new SessionPrompt(e.request, session.textModelN.getAlternativeVersionId());
-			session.addInput(prompt);
 
 			lastResponseListener.value = response.onDidChange(() => {
 
@@ -218,7 +217,6 @@ export class InlineChatSessionServiceImpl implements IInlineChatSessionService {
 			store.add(new HunkData(this._editorWorkerService, textModel0, textModelN)),
 			chatModel,
 			options.session?.exchanges, // @ulugbekna: very hacky: we pass exchanges by reference because an exchange is added only on `addRequest` event from chat model which the migrated inline chat misses
-			options.session?.lastInput
 		);
 
 		// store: key -> session