diff --git a/aider/coders/navigator_coder.py b/aider/coders/navigator_coder.py
index f43ada683..1712d947c 100644
--- a/aider/coders/navigator_coder.py
+++ b/aider/coders/navigator_coder.py
@@ -38,7 +38,7 @@ from aider.tools.view_files_at_glob import execute_view_files_at_glob
 from aider.tools.view_files_matching import execute_view_files_matching
 from aider.tools.ls import execute_ls
 from aider.tools.view import execute_view
-from aider.tools.remove import _execute_remove # Renamed to avoid conflict with os.remove
+from aider.tools.remove import _execute_remove
 from aider.tools.make_editable import _execute_make_editable
 from aider.tools.make_readonly import _execute_make_readonly
 from aider.tools.view_files_with_symbol import _execute_view_files_with_symbol
@@ -51,8 +51,8 @@ from aider.tools.delete_block import _execute_delete_block
 from aider.tools.replace_line import _execute_replace_line
 from aider.tools.replace_lines import _execute_replace_lines
 from aider.tools.indent_lines import _execute_indent_lines
-from aider.tools.delete_line import _execute_delete_line # New
-from aider.tools.delete_lines import _execute_delete_lines # New
+from aider.tools.delete_line import _execute_delete_line
+from aider.tools.delete_lines import _execute_delete_lines
 from aider.tools.undo_change import _execute_undo_change
 from aider.tools.list_changes import _execute_list_changes
 from aider.tools.extract_lines import _execute_extract_lines
@@ -194,7 +194,7 @@ class NavigatorCoder(Coder):
             git_status = self.get_git_status()
 
             # Get symbol outline for current context files
-            symbol_outline = self.get_context_symbol_outline() # New call
+            symbol_outline = self.get_context_symbol_outline()
 
             # Collect all context blocks that exist
             context_blocks = []
diff --git a/aider/tools/tool_utils.py b/aider/tools/tool_utils.py
index 6492b12ab..19ff1b4f1 100644
--- a/aider/tools/tool_utils.py
+++ b/aider/tools/tool_utils.py
@@ -87,13 +87,13 @@ def select_occurrence_index(indices, occurrence, pattern_desc="Pattern"):
     return indices[target_idx]
 
 def determine_line_range(
-    coder, # Added: Need coder to access repo_map
-    file_path, # Added: Need file_path for repo_map lookup
+    coder,
+    file_path,
     lines,
     start_pattern_line_index=None, # Made optional
     end_pattern=None,
     line_count=None,
-    target_symbol=None, # Added: New parameter for symbol targeting
+    target_symbol=None,
     pattern_desc="Block",
 ):
     """