diff --git a/docs/change_log.rst b/docs/change_log.rst
index 6ddff620..ba998ea7 100644
--- a/docs/change_log.rst
+++ b/docs/change_log.rst
@@ -13,6 +13,7 @@
 
 * エフェクトで利用する画像読み込み起因で不正な描画が発生することがある
 * オフスクリーンを使ったエフェクトでリロードあるいはファイル書き換えで落ちる
+* ポストエフェクトのコンパイルに失敗すると落ちることがある
 
 34.2.0 (2021/11/3)
 ******************************************
diff --git a/emapp/src/DefaultFileManager.cc b/emapp/src/DefaultFileManager.cc
index e9207869..93b329d0 100644
--- a/emapp/src/DefaultFileManager.cc
+++ b/emapp/src/DefaultFileManager.cc
@@ -955,6 +955,7 @@ DefaultFileManager::loadModel(
             }
         }
         if (!succeeded) {
+            project->removeModel(model);
             project->destroyModel(model);
         }
     }
@@ -971,6 +972,7 @@ DefaultFileManager::loadModel(
             }
         }
         if (!succeeded) {
+            project->removeAccessory(accessory);
             project->destroyAccessory(accessory);
         }
         progress.complete();
@@ -1227,6 +1229,7 @@ DefaultFileManager::loadModelFromArchive(
             canDestroyFileReader = false;
         }
         else {
+            project->removeModel(model);
             project->destroyModel(model);
         }
     }
diff --git a/emapp/src/ModalDialogFactory.cc b/emapp/src/ModalDialogFactory.cc
index ccbf0278..8df37750 100644
--- a/emapp/src/ModalDialogFactory.cc
+++ b/emapp/src/ModalDialogFactory.cc
@@ -171,6 +171,7 @@ LoadingModelConfirmDialog::~LoadingModelConfirmDialog() NANOEM_DECL_NOEXCEPT
 {
     if (m_model) {
         Project *project = m_model->project();
+        project->removeModel(m_model);
         project->destroyModel(m_model);
         m_model = nullptr;
     }
@@ -218,6 +219,7 @@ LoadingModelConfirmDialog::onAccepted(Project *project)
         m_model->setVisible(true);
     }
     else {
+        project->removeModel(m_model);
         project->destroyModel(m_model);
     }
     m_model = nullptr;
@@ -333,6 +335,7 @@ LoadingArchivedModelConfirmDialog::~LoadingArchivedModelConfirmDialog() NANOEM_D
 {
     if (m_model) {
         Project *project = m_model->project();
+        project->removeModel(m_model);
         project->destroyModel(m_model);
         m_model = nullptr;
         if (m_callback.m_callback) {
diff --git a/emapp/src/Project.cc b/emapp/src/Project.cc
index d4e5c74f..b4420694 100644
--- a/emapp/src/Project.cc
+++ b/emapp/src/Project.cc
@@ -1845,6 +1845,7 @@ Project::newModel(Error &error)
                     scope.commit(error);
                 }
                 else {
+                    removeModel(model);
                     destroyModel(model);
                     scope.rollback(error);
                 }
@@ -1934,11 +1935,13 @@ Project::convertAccessoryToModel(Accessory *accessory, Error &error)
                     progress.complete();
                 }
                 else {
+                    removeModel(model);
                     destroyModel(model);
                     scope.rollback(error);
                 }
             }
             else {
+                removeModel(model);
                 destroyModel(model);
             }
         }
@@ -4273,6 +4276,7 @@ Project::destroyEffect(Effect *effect)
                     }
                 }
             }
+            cancelRenderOffscreenRenderTarget(effect);
             destroyDetachedEffect(effect);
         }
     }
diff --git a/emapp/src/internal/project/Archive.cc b/emapp/src/internal/project/Archive.cc
index 58c9d62a..a572dae0 100644
--- a/emapp/src/internal/project/Archive.cc
+++ b/emapp/src/internal/project/Archive.cc
@@ -274,6 +274,7 @@ Archive::loadAccessory(const String &entryPath, Error &error)
         m_progress->increment();
     }
     else {
+        m_project->removeAccessory(accessory);
         m_project->destroyAccessory(accessory);
         continuable = false;
     }
@@ -321,6 +322,7 @@ Archive::loadModel(const String &entryPath, Error &error)
         m_progress->increment();
     }
     else {
+        m_project->removeModel(model);
         m_project->destroyModel(model);
     }
     return continuable;