diff --git a/optuna_dashboard/ts/components/GraphTimeline.tsx b/optuna_dashboard/ts/components/GraphTimeline.tsx
index b2a29888..23c65d51 100644
--- a/optuna_dashboard/ts/components/GraphTimeline.tsx
+++ b/optuna_dashboard/ts/components/GraphTimeline.tsx
@@ -134,6 +134,5 @@ const plotTimeline = (trials: Trial[], mode: string) => {
       traces.push(makeTrace(bars, state, color))
     }
   }
-  }
   plotly.react(plotDomId, traces, layout)
 }