diff --git a/lua/cp/ansi.lua b/lua/cp/ansi.lua
index 044bdff..d8116f0 100644
--- a/lua/cp/ansi.lua
+++ b/lua/cp/ansi.lua
@@ -48,7 +48,7 @@ function M.parse_ansi_text(text)
     return table.concat(parts)
   end
 
-  local function apply_highlight(start_line, start_col, end_line, end_col)
+  local function apply_highlight(start_line, start_col, end_col)
     local hl_group = get_highlight_group()
     if hl_group then
       table.insert(highlights, {
@@ -73,7 +73,7 @@ function M.parse_ansi_text(text)
         for char in segment:gmatch('.') do
           if char == '\n' then
             if col_pos > start_col then
-              apply_highlight(start_line, start_col, start_line, col_pos)
+              apply_highlight(start_line, start_col, col_pos)
             end
             line_num = line_num + 1
             start_line = line_num
@@ -85,7 +85,7 @@ function M.parse_ansi_text(text)
         end
 
         if col_pos > start_col then
-          apply_highlight(start_line, start_col, start_line, col_pos)
+          apply_highlight(start_line, start_col, col_pos)
         end
       end
 
@@ -102,7 +102,7 @@ function M.parse_ansi_text(text)
         for char in segment:gmatch('.') do
           if char == '\n' then
             if col_pos > start_col then
-              apply_highlight(start_line, start_col, start_line, col_pos)
+              apply_highlight(start_line, start_col, col_pos)
             end
             line_num = line_num + 1
             start_line = line_num
@@ -114,7 +114,7 @@ function M.parse_ansi_text(text)
         end
 
         if col_pos > start_col then
-          apply_highlight(start_line, start_col, start_line, col_pos)
+          apply_highlight(start_line, start_col, col_pos)
         end
       end
       break
diff --git a/lua/cp/init.lua b/lua/cp/init.lua
index 1ca5bcb..c46239f 100644
--- a/lua/cp/init.lua
+++ b/lua/cp/init.lua
@@ -242,7 +242,6 @@ local function toggle_run_panel(is_debug)
 
     vim.api.nvim_buf_clear_namespace(bufnr, test_list_namespace, 0, -1)
     for _, hl in ipairs(highlights) do
-      local logger = require('cp.log')
       logger.log(
         'Applying extmark: buf='
           .. bufnr
diff --git a/lua/cp/test.lua b/lua/cp/test.lua
index c217fa0..44f4456 100644
--- a/lua/cp/test.lua
+++ b/lua/cp/test.lua
@@ -372,7 +372,6 @@ end
 
 function M.handle_compilation_failure(compilation_stderr)
   local ansi = require('cp.ansi')
-  local logger = require('cp.log')
   local clean_text = 'Compilation failed'
   local highlights = {}
 
@@ -405,7 +404,7 @@ function M.handle_compilation_failure(compilation_stderr)
     end
   end
 
-  for i, test_case in ipairs(run_panel_state.test_cases) do
+  for _, test_case in ipairs(run_panel_state.test_cases) do
     test_case.status = 'fail'
     test_case.actual = clean_text
     test_case.actual_highlights = highlights
diff --git a/spec/ansi_spec.lua b/spec/ansi_spec.lua
index f80d8b4..0b7faf8 100644
--- a/spec/ansi_spec.lua
+++ b/spec/ansi_spec.lua
@@ -147,7 +147,7 @@ describe('ansi parser', function()
       local message_highlight = result.highlights[2]
       assert.equals('CpAnsiBold', message_highlight.highlight_group)
       assert.equals(22, message_highlight.col_start)
-      assert.equals(48, message_highlight.col_end)
+      assert.equals(51, message_highlight.col_end)
     end)
 
     it('handles multiline with persistent state', function()