diff --git a/gitignore_generator/cli/interactive.py b/gitignore_generator/cli/interactive.py
index db7f708..639cfbd 100644
--- a/gitignore_generator/cli/interactive.py
+++ b/gitignore_generator/cli/interactive.py
@@ -1,6 +1,5 @@
 """Interactive mode for gitignore-generator."""
 
-import sys
 from typing import List, Optional, Tuple
 
 import click
@@ -130,7 +129,7 @@ def run_interactive_wizard() -> Optional[Tuple[str, str]]:
                 content_parts.append("\n")
 
         if custom_patterns:
-            content_parts.append(f"# --- Custom Patterns ---\n")
+            content_parts.append("# --- Custom Patterns ---\n")
             content_parts.extend(custom_patterns)
             content_parts.append("\n")