diff --git a/dot_config/nix/nix.conf b/dot_config/nix/nix.conf
index 1b0d672..c7d7291 100644
--- a/dot_config/nix/nix.conf
+++ b/dot_config/nix/nix.conf
@@ -1,2 +1 @@
 experimental-features = nix-command flakes
-substituters = https://cache.nixos.org https://nix-shell.cachix.org https://php-src-nix.cachix.org