diff --git a/hosts/callisto/configuration.nix b/hosts/callisto/configuration.nix
index ac1f300..a959887 100755
--- a/hosts/callisto/configuration.nix
+++ b/hosts/callisto/configuration.nix
@@ -145,8 +145,8 @@
     KERNEL=="macsmc-battery", SUBSYSTEM=="power_supply", ATTR{charge_control_end_threshold}="90", ATTR{charge_control_start_threshold}="85"
   '';
 
-  # Allow unfree packages
-  nixpkgs.config.allowUnfree = true;
+  # # Allow unfree packages
+  # nixpkgs.config.allowUnfree = true;
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
diff --git a/users/youwen/common/core.nix b/users/youwen/common/core.nix
index 89508d7..7e02d4c 100755
--- a/users/youwen/common/core.nix
+++ b/users/youwen/common/core.nix
@@ -71,7 +71,6 @@
 
   programs.gh = {
     enable = true;
-    extensions = [ pkgs.github-copilot-cli ];
   };
 
   programs.starship = {