diff --git a/home/dotfiles/emacs.el b/home/dotfiles/emacs.el
new file mode 100644
index 00000000..4f5b2c58
--- /dev/null
+++ b/home/dotfiles/emacs.el
@@ -0,0 +1,42 @@
+; 4 spaces > tabs.
+(setq-default indent-tabs-mode nil)
+(setq-default tab-width 4)
+(setq indent-line-function 'insert-tab)
+
+; xterm mouse mode
+(xterm-mouse-mode 1)
+
+; Enable line numbers
+(global-display-line-numbers-mode 1)
+(global-hl-line-mode t)
+
+; Enable mouse scrolling
+(global-set-key (kbd "<mouse-4>") 'previous-line)
+(global-set-key (kbd "<mouse-5>") 'next-line)
+
+; Enable tabs
+(tab-bar-mode 1)
+(setq tab-bar-show 1)
+(setq tab-bar-new-tab-choice "*dashboard*")
+
+; Enable treemacs
+(add-hook 'emacs-startup-hook 'treemacs)
+(treemacs-load-theme "Default")
+(setq treemacs-width 20)
+(treemacs-resize-icons 16) ; Adjust the icon size according to your preference
+(setq treemacs-follow-mode t) ; Enable follow mode
+(setq treemacs-filewatch-mode t) ; Enable file watch mode
+(setq treemacs-fringe-indicator-mode t) ; Enable fringe indicator mode
+(setq treemacs-git-mode 'simple) ; Set git mode to simple
+(setq treemacs-git-integration t) ; Enable git integration
+(setq treemacs-show-hidden-files t) ; Show hidden files
+(setq treemacs-icons-dired-mode t) ; Use icons in dired buffers
+(setq treemacs-set-scope-type 'Tabs)
+
+; Enable column 80 line for coding
+(setq-default fill-column 80)
+(add-hook 'prog-mode-hook #'display-fill-column-indicator-mode)
+
+(setq org-directory "~/Sync/org-roam/")
+(setq org-roam-directory (file-truename "~/Sync/org-roam"))
+(org-roam-db-autosync-mode)
\ No newline at end of file
diff --git a/home/shell.nix b/home/shell.nix
index 80c4d3c8..cf50ac4f 100644
--- a/home/shell.nix
+++ b/home/shell.nix
@@ -41,50 +41,7 @@
             ])
         );
         package = pkgs.emacs-nox;
-        extraConfig = ''
-            ; 4 spaces > tabs.
-            (setq-default indent-tabs-mode nil)
-            (setq-default tab-width 4)
-            (setq indent-line-function 'insert-tab)
-
-            ; xterm mouse mode
-            (xterm-mouse-mode 1)
-
-            ; Enable line numbers
-            (global-display-line-numbers-mode 1)
-            (global-hl-line-mode t)
-
-            ; Enable mouse scrolling
-            (global-set-key (kbd "<mouse-4>") 'previous-line)
-            (global-set-key (kbd "<mouse-5>") 'next-line)
-
-            ; Enable tabs
-            (tab-bar-mode 1)
-            (setq tab-bar-show 1)
-            (setq tab-bar-new-tab-choice "*dashboard*")
-
-            ; Enable treemacs
-            (add-hook 'emacs-startup-hook 'treemacs)
-            (treemacs-load-theme "Default")
-            (setq treemacs-width 20)
-            (treemacs-resize-icons 16) ; Adjust the icon size according to your preference
-            (setq treemacs-follow-mode t) ; Enable follow mode
-            (setq treemacs-filewatch-mode t) ; Enable file watch mode
-            (setq treemacs-fringe-indicator-mode t) ; Enable fringe indicator mode
-            (setq treemacs-git-mode 'simple) ; Set git mode to simple
-            (setq treemacs-git-integration t) ; Enable git integration
-            (setq treemacs-show-hidden-files t) ; Show hidden files
-            (setq treemacs-icons-dired-mode t) ; Use icons in dired buffers
-            (setq treemacs-set-scope-type 'Tabs)
-
-            ; Enable column 80 line for coding
-            (setq-default fill-column 80)
-            (add-hook 'prog-mode-hook #'display-fill-column-indicator-mode)
-
-            (setq org-directory "~/Sync/org-roam/")
-            (setq org-roam-directory (file-truename "~/Sync/org-roam"))
-            (org-roam-db-autosync-mode)
-        '';
+        extraConfig = builtins.readFile ./dotfiles/emacs.el;
     };
 
     programs.eza = {