diff --git a/openhands/runtime/base.py b/openhands/runtime/base.py
index 8362336a16..4128c4cae6 100644
--- a/openhands/runtime/base.py
+++ b/openhands/runtime/base.py
@@ -164,8 +164,9 @@ class Runtime(FileEditRuntimeMixin):
                 # Note: json.dumps gives us nice escaping for free
                 code += f'os.environ["{key}"] = {json.dumps(value)}\n'
             code += '\n'
-            obs = self.run_ipython(IPythonRunCellAction(code))
-            self.log('debug', f'Added env vars to IPython: code={code}, obs={obs}')
+            self.run_ipython(IPythonRunCellAction(code))
+            # Note: we don't log the vars values, they're leaking info
+            logger.debug('Added env vars to IPython')
 
         # Add env vars to the Bash shell
         cmd = ''
@@ -175,7 +176,10 @@ class Runtime(FileEditRuntimeMixin):
         if not cmd:
             return
         cmd = cmd.strip()
-        logger.debug(f'Adding env var: {cmd}')
+        logger.debug(
+            'Adding env vars to bash'
+        )  # don't log the vars values, they're leaking info
+
         obs = self.run(CmdRunAction(cmd))
         if not isinstance(obs, CmdOutputObservation) or obs.exit_code != 0:
             raise RuntimeError(