diff --git a/src/vs/platform/actions/browser/menuItemActionItem.ts b/src/vs/platform/actions/browser/menuItemActionItem.ts
index 93dad79a5e7c26d0aaad9a20f6384c3d51030e97..2ce14fddef7336f4515ed278d070aa936f70165a 100644
--- a/src/vs/platform/actions/browser/menuItemActionItem.ts
+++ b/src/vs/platform/actions/browser/menuItemActionItem.ts
@@ -227,4 +227,13 @@ export class MenuItemActionItem extends ActionItem {
 			this._itemClassDispose = { dispose: () => this.$e.getHTMLElement().classList.remove('icon', iconClass) };
 		}
 	}
+
+	dispose(): void {
+		if (this._itemClassDispose) {
+			dispose(this._itemClassDispose);
+			this._itemClassDispose = undefined;
+		}
+
+		super.dispose();
+	}
 }