diff --git a/src/vs/workbench/contrib/tasks/browser/taskTerminalStatus.ts b/src/vs/workbench/contrib/tasks/browser/taskTerminalStatus.ts
index 958ce30e8c2..07505eb9d05 100644
--- a/src/vs/workbench/contrib/tasks/browser/taskTerminalStatus.ts
+++ b/src/vs/workbench/contrib/tasks/browser/taskTerminalStatus.ts
@@ -58,7 +58,6 @@ export class TaskTerminalStatus extends Disposable {
 			terminalData.disposeListener?.dispose();
 		}
 		this.terminalMap.clear();
-		this._marker?.dispose();
 	}
 
 	addTerminal(task: Task, terminal: ITerminalInstance, problemMatcher: AbstractProblemCollector) {