diff --git a/aperisolve/analyzers/openstego.py b/aperisolve/analyzers/openstego.py
index f9fde97..597356a 100644
--- a/aperisolve/analyzers/openstego.py
+++ b/aperisolve/analyzers/openstego.py
@@ -3,7 +3,6 @@
 import shutil
 import subprocess
 from pathlib import Path
-from typing import Optional
 
 from .utils import MAX_PENDING_TIME, update_data