diff --git a/tools/erase-toolkit-traces.sh b/tools/erase-toolkit-traces.sh
index 0d29cd2..a885f2e 100755
--- a/tools/erase-toolkit-traces.sh
+++ b/tools/erase-toolkit-traces.sh
@@ -181,6 +181,15 @@ if [ "$CLEAN_HISTORY" = true ] && [ -f ~/.bash_history ]; then
 
     echo "  ✓ Cleaned history written to file"
 
+    # Also clean the history file directly (in case commands are from other sessions)
+    echo "  → Cleaning history file for commands from other sessions..."
+    if [ -f ~/.bash_history ]; then
+        cp ~/.bash_history ~/.bash_history.bak.$$
+        grep -Ev "$GREP_PATTERN" ~/.bash_history.bak.$$ > ~/.bash_history 2>/dev/null || true
+        rm -f ~/.bash_history.bak.$$
+        echo "  ✓ History file cleaned"
+    fi
+
     echo "  ✓ In-memory history reloaded from cleaned file"
     echo ""
     echo "NOTE: Other active terminal sessions may still have old history in memory."