diff --git a/ironic_python_agent/inspector.py b/ironic_python_agent/inspector.py
index 8f8c1035d..1ea2e3d1f 100644
--- a/ironic_python_agent/inspector.py
+++ b/ironic_python_agent/inspector.py
@@ -37,6 +37,7 @@ LOG = logging.getLogger(__name__)
 CONF = cfg.CONF
 DEFAULT_COLLECTOR = 'default'
 _COLLECTOR_NS = 'ironic_python_agent.inspector.collectors'
+_NO_LOGGING_FIELDS = ('logs',)
 
 
 def extension_manager(names):
@@ -108,7 +109,8 @@ def call_inspector(data, failures):
     data['error'] = failures.get_error()
 
     LOG.info('posting collected data to %s', CONF.inspection_callback_url)
-    LOG.debug('collected data: %s', data)
+    LOG.debug('collected data: %s',
+              {k: v for k, v in data.items() if k not in _NO_LOGGING_FIELDS})
 
     encoder = encoding.RESTJSONEncoder()
     data = encoder.encode(data)
@@ -274,7 +276,8 @@ def collect_logs(data, failures):
     """
     try:
         out, _e = utils.execute('journalctl', '--full', '--no-pager', '-b',
-                                '-n', '10000', binary=True)
+                                '-n', '10000', binary=True,
+                                log_stdout=False)
     except (processutils.ProcessExecutionError, OSError):
         LOG.warning('failed to get system journal')
         return
diff --git a/ironic_python_agent/tests/unit/test_inspector.py b/ironic_python_agent/tests/unit/test_inspector.py
index 2a41deb80..533b33579 100644
--- a/ironic_python_agent/tests/unit/test_inspector.py
+++ b/ironic_python_agent/tests/unit/test_inspector.py
@@ -394,7 +394,8 @@ class TestCollectLogs(unittest.TestCase):
 
         mock_execute.assert_called_once_with('journalctl', '--full',
                                              '--no-pager', '-b',
-                                             '-n', '10000', binary=True)
+                                             '-n', '10000', binary=True,
+                                             log_stdout=False)
 
     def test_no_journal(self, mock_execute):
         mock_execute.side_effect = OSError()
diff --git a/ironic_python_agent/utils.py b/ironic_python_agent/utils.py
index 49ee02b38..d647e2dd0 100644
--- a/ironic_python_agent/utils.py
+++ b/ironic_python_agent/utils.py
@@ -53,15 +53,18 @@ def execute(*cmd, **kwargs):
     oslo_concurrency.processutils.execute for usage.
 
     :param *cmd: positional arguments to pass to processutils.execute()
+    :param log_stdout: keyword-only argument: whether to log the output
     :param **kwargs: keyword arguments to pass to processutils.execute()
     :raises: UnknownArgumentError on receiving unknown arguments
     :raises: ProcessExecutionError
     :raises: OSError
     :returns: tuple of (stdout, stderr)
     """
+    log_stdout = kwargs.pop('log_stdout', True)
     result = processutils.execute(*cmd, **kwargs)
     LOG.debug('Execution completed, command line is "%s"', ' '.join(cmd))
-    LOG.debug('Command stdout is: "%s"', result[0])
+    if log_stdout:
+        LOG.debug('Command stdout is: "%s"', result[0])
     LOG.debug('Command stderr is: "%s"', result[1])
     return result
 
@@ -76,6 +79,7 @@ def try_execute(*cmd, **kwargs):
     returns None in case of failure.
 
     :param *cmd: positional arguments to pass to processutils.execute()
+    :param log_stdout: keyword-only argument: whether to log the output
     :param **kwargs: keyword arguments to pass to processutils.execute()
     :raises: UnknownArgumentError on receiving unknown arguments
     :returns: tuple of (stdout, stderr) or None in some error cases