diff --git a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
index 79929c56..f2450356 100644
--- a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
+++ b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
@@ -169,7 +169,6 @@ public class CornField : MonoBehaviour
                 
                 SetCornField(true);
                 
-                var push = new Subject<Unit>().AddTo(this);
                 // 既存の株は成長済みにする
                 foreach (var plantLine in plantLines) 
                 {
@@ -182,23 +181,12 @@ public class CornField : MonoBehaviour
                         var progressData = gameData.SeedlingDataList.First(data => data.type == plantLineData.Type).Seedlings[i];
                         progressData.FirstTime = progressData.FirstTime.AddSeconds(-maxPeriod);
                         plantLine.Seedlings[i].PromoteGrowth(progressData.FirstTime);
-                        // エフェクト出すだけ
-                        // push.Subscribe(unit =>
-                        // {
-                        //     if (Random.value < .5f)
-                        //     {
-                        //         seedling.PromoteGrowth(progressData.FirstTime);
-                        //     }
-                        // }).AddTo(this);
                     }
                 }
                 Observable.Timer(TimeSpan.FromSeconds(1f), TimeSpan.FromSeconds(1f))
                     .Select(x => (int)(fertilizerDuration - x))
                     .TakeWhile(x => x > 0)
-                    .Subscribe(x =>
-                    {
-                        push.OnNext(Unit.Default);
-                    }, () =>
+                    .Subscribe(x => { }, () =>
                     {
                         SoundManager.Instance.PlayBGM("bgm_Main");
                         brotherFertilizerAnimation.EndAnimation();