diff --git a/overlays/nixpkgs.nix b/overlays/nixpkgs.nix
index 316c69e44..fbe0a93f3 100644
--- a/overlays/nixpkgs.nix
+++ b/overlays/nixpkgs.nix
@@ -14,4 +14,11 @@ final: prev: {
       hash = "sha256-N06oKyiexzjpaCZ8rFnH1f8YD5SSJQJUeEsgROkN9ak=";
     };
   });
+
+  # Add the required extensions to the Azure CLI.
+  azure-cli = prev.azure-cli.override {
+    withExtensions = with final.azure-cli.extensions; [
+      aks-preview
+    ];
+  };
 }
diff --git a/packages/by-name/azure-cli-with-extensions/package.nix b/packages/by-name/azure-cli-with-extensions/package.nix
deleted file mode 100644
index dc99dde3b..000000000
--- a/packages/by-name/azure-cli-with-extensions/package.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{ fetchurl
-, python3
-, azure-cli
-, symlinkJoin
-}:
-let
-  aks-preview = python3.pkgs.buildPythonPackage rec {
-    pname = "aks-preview";
-    version = "0.5.173";
-    format = "wheel";
-    src = fetchurl {
-      url = "https://azcliprod.blob.core.windows.net/cli-extensions/aks_preview-0.5.173-py2.py3-none-any.whl";
-      hash = "sha256-6BWX0CzL0oVrf9ljHjQU1jvmQiHXHGDcbhVIyVSH1u4=";
-    };
-    postInstall = ''
-      ln -s $out/${python3.sitePackages} $out/${pname}
-    '';
-  };
-
-  cliextensions = symlinkJoin {
-    name = "cliextensions";
-    paths = [ aks-preview ];
-  };
-in
-azure-cli.overrideAttrs
-  (_oldAttrs: {
-    postFixup = ''
-      wrapProgram $out/bin/az \
-        --set PYTHONPATH $PYTHONPATH \
-        --set AZURE_EXTENSION_DIR ${cliextensions}
-    '';
-  })
diff --git a/packages/scripts.nix b/packages/scripts.nix
index 2c368f58c..1bdf14627 100644
--- a/packages/scripts.nix
+++ b/packages/scripts.nix
@@ -5,13 +5,13 @@ with pkgs;
 {
   create-coco-aks = writeShellApplication {
     name = "create-coco-aks";
-    runtimeInputs = [ azure-cli-with-extensions ];
+    runtimeInputs = [ azure-cli ];
     text = builtins.readFile ./create-coco-aks.sh;
   };
 
   destroy-coco-aks = writeShellApplication {
     name = "destroy-coco-aks";
-    runtimeInputs = [ azure-cli-with-extensions ];
+    runtimeInputs = [ azure-cli ];
     text = builtins.readFile ./destroy-coco-aks.sh;
   };
 
@@ -228,7 +228,7 @@ with pkgs;
   get-azure-sku-locations = writeShellApplication {
     name = "get-azure-sku-locations";
     runtimeInputs = [
-      azure-cli-with-extensions
+      azure-cli
       jq
     ];
     text = ''