diff --git a/testing/mozbase/mozrunner/mozrunner/remote.py b/testing/mozbase/mozrunner/mozrunner/remote.py
index 781b80aa8292..cf7bc9fa6f71 100644
--- a/testing/mozbase/mozrunner/mozrunner/remote.py
+++ b/testing/mozbase/mozrunner/mozrunner/remote.py
@@ -111,7 +111,6 @@ class B2GRunner(RemoteRunner):
         tmp_env = self.env or {}
         self.env = { 'MOZ_CRASHREPORTER': '1',
                      'MOZ_CRASHREPORTER_NO_REPORT': '1',
-                     'MOZ_CRASHREPORTER_SHUTDOWN': '1',
                      'MOZ_HIDE_RESULTS_TABLE': '1',
                      'MOZ_PROCESS_LOG': processLog,
                      'NSPR_LOG_MODULES': 'signaling:5,mtransport:3',
@@ -156,8 +155,7 @@ class B2GRunner(RemoteRunner):
 
         self.kp_kwargs.update({'stream': sys.stdout,
                                'processOutputLine': self.on_output,
-                               'onTimeout': self.on_timeout,
-                               'onFinish': self.on_finish})
+                               'onTimeout': self.on_timeout,})
         self.process_handler = self.process_class(self.command, **self.kp_kwargs)
         self.process_handler.run(timeout=timeout, outputTimeout=outputTimeout)
 
@@ -223,9 +221,6 @@ class B2GRunner(RemoteRunner):
         self.log.testFail(msg % (self.last_test, timeout))
         self.check_for_crashes()
 
-    def on_finish(self):
-        self.check_for_crashes()
-
     def _reboot_device(self):
         serial, status = self._get_device_status()