diff --git a/servers/fern/configuration.nix b/servers/fern/configuration.nix
index 8e99ba8..44a4a4f 100644
--- a/servers/fern/configuration.nix
+++ b/servers/fern/configuration.nix
@@ -37,19 +37,6 @@ let
     doCheck = false;
   };
 
-  reverseEngineeringPython = pkgs.python3.withPackages (pythonPackages: [
-    pythonPackages.construct
-    pythonPackages.cryptography
-    pythonPackages.fusepy
-    pythonPackages.mcp
-    pythonPackages.pip
-    pythonPackages.pycryptodome
-    pythonPackages.pycryptodomex
-    pythonPackages.pyfatfs
-    pythonPackages.setuptools
-    pythonPackages.wheel
-  ]);
-
   llama-cpp = (
     (pkgs.llama-cpp.override {
       cudaSupport = true;
@@ -196,7 +183,7 @@ in
       ninfs
       tcpdump
       wireshark-cli
-      reverseEngineeringPython
+      avalonia-ilspy
     ])
     ++ (with reenv.packages.${system}; [
       bindiff
diff --git a/servers/ui-mode/configuration.nix b/servers/ui-mode/configuration.nix
index 73f972f..90e5272 100644
--- a/servers/ui-mode/configuration.nix
+++ b/servers/ui-mode/configuration.nix
@@ -429,6 +429,16 @@
         wheel
 
         pwntools
+        construct
+        cryptography
+        fusepy
+        mcp
+        pip
+        pycryptodome
+        pycryptodomex
+        pyfatfs
+        setuptools
+        wheel
       ]
     ))
   ];