diff --git a/flake.lock b/flake.lock
index 82bc5438..ba951262 100644
--- a/flake.lock
+++ b/flake.lock
@@ -39,11 +39,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1595900108,
-        "narHash": "sha256-XKbCDy29Db2uj1yW/brWlgvgTeHyfiY2h7IoKVVWWWo=",
+        "lastModified": 1595994374,
+        "narHash": "sha256-/b25Y61IbsJOs3hWQ3OVbo3ujkl8whZZbWvWilwUBfk=",
         "owner": "charvp",
         "repo": "nixpkgs",
-        "rev": "ad4deefa9f593091d464522ecdefd0944a47df32",
+        "rev": "65eab104a34d7db8f847d21f9c783a5f192b0f18",
         "type": "github"
       },
       "original": {
diff --git a/update.sh b/update.sh
index 44eeaa12..41fe64cd 100755
--- a/update.sh
+++ b/update.sh
@@ -2,12 +2,7 @@
 set -euo pipefail
 set -x
 
-BUILD_ARGS=(
-    "--extra-substituters"
-    "ssh://charlotte@sunspear.vanpetegem.me"
-    "--trusted-public-keys"
-    "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= sunspear-nix-cache:4mgL4qS7EweCug1gAFiZKgQK+xuoJMBYThIUE+kPX4s="
-)
+BUILD_ARGS=()
 
 if [ -d "../nixpkgs" -a -z "${NO_LOCAL:-}" ]
 then