diff --git a/nix/configurations/vanadium/home/dev.nix b/nix/configurations/vanadium/home/dev.nix
index ce6abd68..1aff2f4f 100644
--- a/nix/configurations/vanadium/home/dev.nix
+++ b/nix/configurations/vanadium/home/dev.nix
@@ -111,11 +111,11 @@
 
   nix = {
     settings = {
-      extra-substituters = [
-        "https://ghc-nix.cachix.org"
-        "https://haskell-language-server.cachix.org"
-        "https://helix.cachix.org"
-      ];
+      # extra-substituters = [
+      #   "https://ghc-nix.cachix.org"
+      #   "https://haskell-language-server.cachix.org"
+      #   "https://helix.cachix.org"
+      # ];
       extra-trusted-public-keys = [
         "ghc-nix.cachix.org-1:ziC/I4BPqeA4VbtOFpFpu6D1t6ymFvRWke/lc2+qjcg="
         "haskell-language-server.cachix.org-1:juFfHrwkOxqIOZShtC4YC1uT1bBcq2RSvC7OMKx0Nz8="