diff --git a/after/ftplugin/Trouble.lua b/after/ftplugin/Trouble.lua
new file mode 100644
index 0000000..b6c8a23
--- /dev/null
+++ b/after/ftplugin/Trouble.lua
@@ -0,0 +1,2 @@
+-- Disable column width indicators in quickfix/Trouble windows
+vim.opt.colorcolumn = ""
diff --git a/after/ftplugin/gitcommit.lua b/after/ftplugin/gitcommit.lua
new file mode 100644
index 0000000..5ece5df
--- /dev/null
+++ b/after/ftplugin/gitcommit.lua
@@ -0,0 +1,8 @@
+-- TIP: If you want custom color of colorcolumn local to window
+-- do
+--     local ns = vim.api.nvim_create_namespace('gitcommit')
+--     vim.api.nvim_set_hl(ns, 'ColorColumn', { link = '#ff0000' })
+--     vim.api.nvim_win_set_hl_ns(0, ns)
+-- end
+vim.bo.textwidth = 72
+vim.wo.colorcolumn = "+0"
diff --git a/after/ftplugin/go.lua b/after/ftplugin/go.lua
new file mode 100644
index 0000000..a775d48
--- /dev/null
+++ b/after/ftplugin/go.lua
@@ -0,0 +1,3 @@
+vim.keymap.set("n", "<space>td", function()
+	require("dap-go").debug_test()
+end, { buffer = 0 })
diff --git a/after/ftplugin/oil.lua b/after/ftplugin/oil.lua
new file mode 100644
index 0000000..dda389e
--- /dev/null
+++ b/after/ftplugin/oil.lua
@@ -0,0 +1,3 @@
+-- Disable numbers in Oil windows
+vim.opt.relativenumber = false
+vim.opt.number = false
diff --git a/lua/weeheavy/autocmd.lua b/lua/weeheavy/autocmd.lua
index 5657543..fb78e91 100644
--- a/lua/weeheavy/autocmd.lua
+++ b/lua/weeheavy/autocmd.lua
@@ -7,12 +7,13 @@ vim.api.nvim_create_autocmd("TextYankPost", {
 	end,
 })
 
--- Disable (relative) line numbers on Oil windows
-vim.api.nvim_create_autocmd("FileType", {
-	group = vim.api.nvim_create_augroup("weeheavy-no-line-numbers-in-oil", { clear = true }),
-	pattern = { "oil" },
-	callback = function()
-		vim.opt.relativenumber = false
-		vim.opt.number = false
-	end,
-})
+-- NOTE: the config below was put to after/ftplugin to make it simpler
+
+-- Disable colorcolumn on quickfix (qf) windows
+--vim.api.nvim_create_autocmd("FileType", {
+--	group = vim.api.nvim_create_augroup("weeheavy-no-colorcolumn-in-quickfix", { clear = true }),
+--	pattern = { "qf", "Trouble" },
+--	callback = function()
+--		vim.opt.colorcolumn = ""
+--	end,
+--})