diff --git a/lua/core.lua b/lua/core.lua
index acdc51c..737da48 100644
--- a/lua/core.lua
+++ b/lua/core.lua
@@ -18,15 +18,8 @@ vim.opt.completeopt = {'menu', 'menuone', 'noselect'}
 o.ignorecase = true
 o.smartcase = true
 o.smartindent = true
-o.mouse = "i"
 o.autoindent = true
-
--- neoformat settings.
-global.neoformat_basic_format_align = 1
-global.neoformat_basic_format_trim = 1
+o.mouse = "a"
 
 -- leader settings
 global.mapleader = ' '
-
--- indent blankline settings
-global.indent_blankline_char = '▏'
diff --git a/lua/plugins.lua b/lua/plugins.lua
index 410be9e..39ad6b8 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -127,6 +127,10 @@ return require('packer').startup(function(use)
 	}
 
 	-- eye-candy
+	use {
+		'eandrju/cellular-automaton.nvim',
+		cmd = "CellularAutomaton"
+	}
 	use {
 		'lewis6991/gitsigns.nvim',
 		event = 'UIEnter',