diff --git a/aether/config.nix b/aether/config.nix
index b40a4a1..723749c 100644
--- a/aether/config.nix
+++ b/aether/config.nix
@@ -43,7 +43,6 @@
 
       PREFERRED_LICENSES = "MIT,GPL-3.0-or-later";
     };
-    mirror.DEFAULT_INTERVAL = "1h";
 
     indexer = {
       REPO_INDEXER_ENABLED = true;