diff --git a/EvoScientist/EvoScientist.py b/EvoScientist/EvoScientist.py
index 767b8e1..9fd28f9 100644
--- a/EvoScientist/EvoScientist.py
+++ b/EvoScientist/EvoScientist.py
@@ -28,7 +28,6 @@ from .prompts import RESEARCHER_INSTRUCTIONS, get_system_prompt
 from .utils import load_subagents
 from .tools import tavily_search, think_tool, skill_manager
 from .paths import (
-    ensure_dirs,
     default_workspace_dir,
     set_active_workspace,
     MEMORY_DIR as _MEMORY_DIR_PATH,
diff --git a/tests/test_onboard.py b/tests/test_onboard.py
index fdd3d51..d222eb7 100644
--- a/tests/test_onboard.py
+++ b/tests/test_onboard.py
@@ -1,6 +1,5 @@
 """Tests for EvoScientist onboarding wizard."""
 
-import os
 import subprocess
 from unittest.mock import patch, Mock, MagicMock