diff --git a/flake.nix b/flake.nix
index e4cde3a..faec512 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,6 +8,7 @@
 
   outputs =
     {
+      self,
       nixpkgs,
       flake-utils,
     }:
@@ -25,8 +26,6 @@
             python311Packages.pillow
             blender
             git
-            voicevox-core
-            voicevox-engine
           ];
 
           shellHook = ''