diff --git a/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs b/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs
index 950fdde62..f5fb27905 100644
--- a/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs
+++ b/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs
@@ -516,8 +516,6 @@ namespace VRM
                 }
                 GUILayout.EndVertical();
             }
-            if (modified)
-                InvokeWizardUpdate();
 
             GUILayout.Space(8);
         }
@@ -723,4 +721,3 @@ namespace VRM
         }
     }
 }
-
diff --git a/Assets/VRM/UniVRM/Editor/SpringBone/VRMSpringBoneValidator.cs b/Assets/VRM/UniVRM/Editor/SpringBone/VRMSpringBoneValidator.cs
index e552b5696..d0e9beae2 100644
--- a/Assets/VRM/UniVRM/Editor/SpringBone/VRMSpringBoneValidator.cs
+++ b/Assets/VRM/UniVRM/Editor/SpringBone/VRMSpringBoneValidator.cs
@@ -14,7 +14,7 @@ namespace VRM
                 yield break;
             }
 
-            var hierarchy = root.GetComponentsInChildren<Transform>();
+            var hierarchy = root.GetComponentsInChildren<Transform>(true);
 
             Dictionary<Transform, List<VRMSpringBone>> rootMap = new Dictionary<Transform, List<VRMSpringBone>>();
 
@@ -25,12 +25,17 @@ namespace VRM
                     var springRoot = sb.RootBones[i];
                     if (springRoot == null)
                     {
-                        yield return Validation.Error($"{sb.name}.RootBones[{i}] is null");
+                        yield return Validation.Error($"[VRMSpringBone]{sb.name}.RootBones[{i}] is null");
                         continue;
                     }
                     if (!hierarchy.Contains(springRoot))
                     {
-                        yield return Validation.Error($"{sb.name}.RootBones[{i}] is out of hierarchy");
+                        yield return Validation.Error($"[VRMSpringBone]{sb.name}.RootBones[{i}] is out of hierarchy");
+                        continue;
+                    }
+                    if (!springRoot.gameObject.activeInHierarchy)
+                    {
+                        yield return Validation.Error($"[VRMSpringBone]{sb.name}.RootBones[{i}] is not active");
                         continue;
                     }
 
diff --git a/Assets/VRM/UniVRM/Scripts/FirstPerson/VRMFirstPerson.cs b/Assets/VRM/UniVRM/Scripts/FirstPerson/VRMFirstPerson.cs
index 11b59375c..480032843 100644
--- a/Assets/VRM/UniVRM/Scripts/FirstPerson/VRMFirstPerson.cs
+++ b/Assets/VRM/UniVRM/Scripts/FirstPerson/VRMFirstPerson.cs
@@ -52,18 +52,22 @@ namespace VRM
 
         public IEnumerable<Validation> Validate()
         {
-            var hierarchy = GetComponentsInChildren<Transform>();
+            var hierarchy = GetComponentsInChildren<Transform>(true);
 
             for (int i = 0; i < Renderers.Count; ++i)
             {
                 var r = Renderers[i];
                 if (r.Renderer == null)
                 {
-                    yield return Validation.Error($"{name}.Renderers[{i}].Renderer is null");
+                    yield return Validation.Error($"[VRMFirstPerson]{name}.Renderers[{i}].Renderer is null");
                 }
                 if (!hierarchy.Contains(r.Renderer.transform))
                 {
-                    yield return Validation.Error($"{name}.Renderers[{i}].Renderer is out of hierarchy");
+                    yield return Validation.Error($"[VRMFirstPerson]{name}.Renderers[{i}].Renderer is out of hierarchy");
+                }
+                if (!r.Renderer.gameObject.activeInHierarchy)
+                {
+                    yield return Validation.Error($"[VRMFirstPerson]{name}.Renderers[{i}].Renderer is not active");
                 }
             }
             yield break;