diff --git a/home/base/core/shells/default.nix b/home/base/core/shells/default.nix
index 65adccf4..19138774 100644
--- a/home/base/core/shells/default.nix
+++ b/home/base/core/shells/default.nix
@@ -19,7 +19,7 @@ in {
 
   programs.nushell = {
     enable = true;
-    package = pkgs-unstable.nushell;
+    # package = pkgs-unstable.nushell;
     configFile.source = ./config.nu;
     inherit shellAliases;
   };
diff --git a/home/base/gui/terminal/alacritty/default.nix b/home/base/gui/terminal/alacritty/default.nix
index 73fe8719..903af212 100644
--- a/home/base/gui/terminal/alacritty/default.nix
+++ b/home/base/gui/terminal/alacritty/default.nix
@@ -26,7 +26,7 @@
 {
   programs.alacritty = {
     enable = true;
-    package = pkgs-unstable.alacritty;
+    # package = pkgs-unstable.alacritty;
     # https://alacritty.org/config-alacritty.html
     settings = {
       window = {
diff --git a/home/base/tui/dev-tools.nix b/home/base/tui/dev-tools.nix
index 2bc8793b..274b0107 100644
--- a/home/base/tui/dev-tools.nix
+++ b/home/base/tui/dev-tools.nix
@@ -18,8 +18,8 @@
     colmena # nixos's remote deployment tool
 
     # db related
-    pkgs-unstable.mycli
-    pkgs-unstable.pgcli
+    mycli
+    pgcli
     mongosh
     sqlite
 
@@ -27,10 +27,10 @@
     minicom
 
     # ai related
-    pkgs-unstable.python313Packages.huggingface-hub # huggingface-cli
+    python313Packages.huggingface-hub # huggingface-cli
 
     # misc
-    pkgs-unstable.devbox
+    devbox
     bfg-repo-cleaner # remove large files from git history
     k6 # load testing tool
     protobuf # protocol buffer compiler
diff --git a/home/base/tui/encryption/default.nix b/home/base/tui/encryption/default.nix
index 3ecaa864..01052571 100644
--- a/home/base/tui/encryption/default.nix
+++ b/home/base/tui/encryption/default.nix
@@ -5,7 +5,7 @@
 }: {
   home.packages = with pkgs; [
     age
-    pkgs-unstable.sops
+    sops
     rclone
   ];
 }
diff --git a/home/linux/gui/base/creative.nix b/home/linux/gui/base/creative.nix
index f89e0174..d381269b 100644
--- a/home/linux/gui/base/creative.nix
+++ b/home/linux/gui/base/creative.nix
@@ -22,19 +22,19 @@
 
       # this app consumes a lot of storage, so do not install it currently
       # kicad     # 3d printing, eletrical engineering
-
-      # fpga
-      pkgs-unstable.python313Packages.apycula # gowin fpga
-      pkgs-unstable.yosys # fpga synthesis
-      pkgs-unstable.nextpnr # fpga place and route
-      pkgs-unstable.openfpgaloader # fpga programming
-      # nur-ryan4yin.packages.${pkgs.system}.gowin-eda-edu-ide # app: `gowin-env` => `gw_ide` / `gw_pack` / ...
     ]
     ++ (lib.optionals pkgs.stdenv.isx86_64 [
       # https://github.com/edolstra/nix-warez/blob/master/blender/flake.nix
       blender-bin.packages.${pkgs.system}.blender_4_2 # 3d modeling
 
       ldtk # A modern, versatile 2D level editor
+
+      # fpga
+      python313Packages.apycula # gowin fpga
+      yosys # fpga synthesis
+      nextpnr # fpga place and route
+      openfpgaloader # fpga programming
+      # nur-ryan4yin.packages.${pkgs.system}.gowin-eda-edu-ide # app: `gowin-env` => `gw_ide` / `gw_pack` / ...
     ]);
 
   programs = {
diff --git a/modules/nixos/desktop/misc.nix b/modules/nixos/desktop/misc.nix
index 9c0dbe8e..0d46ae0c 100644
--- a/modules/nixos/desktop/misc.nix
+++ b/modules/nixos/desktop/misc.nix
@@ -10,7 +10,7 @@
   # add user's shell into /etc/shells
   environment.shells = with pkgs; [
     bashInteractive
-    pkgs-unstable.nushell
+    nushell
   ];
   # set user's default shell system-wide
   users.defaultUserShell = pkgs.bashInteractive;
diff --git a/modules/nixos/desktop/remote-desktop/default.nix b/modules/nixos/desktop/remote-desktop/default.nix
index 3ab750cd..044e87a6 100644
--- a/modules/nixos/desktop/remote-desktop/default.nix
+++ b/modules/nixos/desktop/remote-desktop/default.nix
@@ -8,6 +8,5 @@
   environment.systemPackages = with pkgs; [
     waypipe
     moonlight-qt # moonlight client, for streaming games/desktop from a PC
-    rustdesk # p2p remote desktop
   ];
 }