diff --git a/selfdrive/test/process_replay/process_replay.py b/selfdrive/test/process_replay/process_replay.py
index 9256b6015c..8ad27d5135 100755
--- a/selfdrive/test/process_replay/process_replay.py
+++ b/selfdrive/test/process_replay/process_replay.py
@@ -143,6 +143,7 @@ class ProcessContainer:
     self.sockets: Optional[List[messaging.SubSocket]] = None
     self.rc: Optional[ReplayContext] = None
     self.vipc_server: Optional[VisionIpcServer] = None
+    self.environ_config: Optional[Dict[str, Any]] = None
     self.capture: Optional[ProcessOutputCapture] = None
 
   @property
@@ -157,6 +158,15 @@ class ProcessContainer:
   def subs(self) -> List[str]:
     return self.cfg.subs
 
+  def _clean_env(self):
+    for k in self.environ_config.keys():
+      if k in os.environ:
+        del os.environ[k]
+
+    for k in ["PROC_NAME", "SIMULATION"]:
+      if k in os.environ:
+        del os.environ[k]
+
   def _setup_env(self, params_config: Dict[str, Any], environ_config: Dict[str, Any]):
     for k, v in environ_config.items():
       if len(v) != 0:
@@ -177,6 +187,8 @@ class ProcessContainer:
       else:
         params.put(k, v)
 
+    self.environ_config = environ_config
+
   def _setup_vision_ipc(self, all_msgs):
     assert len(self.cfg.vision_pubs) != 0
 
@@ -238,6 +250,7 @@ class ProcessContainer:
       self.process.stop()
       self.rc.close_context()
       self.prefix.clean_dirs()
+      self._clean_env()
 
   def run_step(self, msg: capnp._DynamicStructReader, frs: Optional[Dict[str, Any]]) -> List[capnp._DynamicStructReader]:
     assert self.rc and self.pm and self.sockets and self.process.proc