diff --git a/overlays/neovim.nix b/overlays/neovim.nix
deleted file mode 100644
index 48d8531..0000000
--- a/overlays/neovim.nix
+++ /dev/null
@@ -1,22 +0,0 @@
-self: super:
-{
-  neovim = super.neovim.override {
-    viAlias = true;
-    vimAlias = true;
-    configure = {
-      customRC = ''
-        set shiftwidth=2
-        set softtabstop=2
-        set expandtab
-        set background=dark
-      '';
-      packages.myVimPackage = with super.vimPlugins; {
-        start = [
-          vim-startify  airline             sensible
-          polyglot      ale                 fugitive
-        ];
-        opt = [ ];
-      };
-    };
-  };
-} 
diff --git a/overlays/sudo.nix b/overlays/sudo.nix
deleted file mode 100644
index 229ad6e..0000000
--- a/overlays/sudo.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-self: super:
-{
-  sudo = super.sudo.override {
-    withInsults = true;
-  };
-} 
diff --git a/systems/common-cli.nix b/systems/common-cli.nix
index 9d8317b..adf9ad8 100644
--- a/systems/common-cli.nix
+++ b/systems/common-cli.nix
@@ -4,14 +4,27 @@
 
   time.timeZone = "Europe/Paris";
 
-  nixpkgs.overlays = [
-    (import ../overlays/sudo.nix)
-    (import ../overlays/neovim.nix)
-  ];
-
   environment.systemPackages = with pkgs; [
     # Editeurs
-    neovim
+    (neovim.override {
+      viAlias = true;
+      vimAlias = true;
+      configure = {
+        customRC = ''
+          set shiftwidth=2
+          set softtabstop=2
+          set expandtab
+          set background=dark
+        '';
+        packages.myVimPackage = with pkgs.vimPlugins; {
+          start = [
+            vim-startify  airline             sensible
+            polyglot      ale                 fugitive
+          ];
+          opt = [ ];
+        };
+      };
+    })
 
     # Gestionnaires de version
     gitFull