diff --git a/src/engine/runtime.js b/src/engine/runtime.js
index 8c98601df0..62b510bcd3 100644
--- a/src/engine/runtime.js
+++ b/src/engine/runtime.js
@@ -2797,15 +2797,19 @@ class Runtime extends EventEmitter {
         this.threads = [];
         this.threadMap.clear();
 
-        for (const scene in this.scenes) {
-            if (scene.temporary) {
-                this.deleteScene(scene.id);
-            }
-        }
+        this._clearTemporaryScenes();
 
+        // Remove all temporary scenes created during the project's run.
         this.resetRunId();
     }
 
+    _clearTemporaryScenes () {
+        for (const sceneId in this.scenes) {
+            const scene = this.scenes[sceneId];
+            if (scene.temporary) this.removeScene(sceneId);
+        }
+    }
+
     _renderInterpolatedPositions () {
         const frameStarted = this._lastStepTime;
         const now = Date.now();