diff --git a/src/vs/workbench/contrib/terminal/browser/xterm/decorationAddon.ts b/src/vs/workbench/contrib/terminal/browser/xterm/decorationAddon.ts
index 868580d0ebd..99f3094112e 100644
--- a/src/vs/workbench/contrib/terminal/browser/xterm/decorationAddon.ts
+++ b/src/vs/workbench/contrib/terminal/browser/xterm/decorationAddon.ts
@@ -48,7 +48,6 @@ export class DecorationAddon extends Disposable implements ITerminalAddon {
 	private _contextMenuVisible: boolean = false;
 	private _decorations: Map<number, IDisposableDecoration> = new Map();
 	private _placeholderDecoration: IDecoration | undefined;
-	private _overviewRuler: IDecoration | undefined;
 
 	private readonly _onDidRequestRunCommand = this._register(new Emitter<string>());
 	readonly onDidRequestRunCommand = this._onDidRequestRunCommand.event;
@@ -95,7 +94,6 @@ export class DecorationAddon extends Disposable implements ITerminalAddon {
 		if (disableDecorations) {
 			this._commandStartedListener?.dispose();
 			this._commandFinishedListener?.dispose();
-			this._overviewRuler?.dispose();
 		}
 		this._placeholderDecoration?.dispose();
 		this._placeholderDecoration?.marker.dispose();