diff --git a/simulation.py b/simulation.py
index ed1a875..d78b9bb 100644
--- a/simulation.py
+++ b/simulation.py
@@ -908,7 +908,7 @@ def run_simulation(name: str, simulation_type: str, modify_pattern_start_time: s
     node_result = output.node_results()
     link_result = output.link_results()
     
-    os.remove(tmp_file)
+    # os.remove(tmp_file)
 
     # link_flow = []
     # for link in link_result: