diff --git a/modules/periodic.nix b/modules/periodic.nix
index f4a975a..1949019 100644
--- a/modules/periodic.nix
+++ b/modules/periodic.nix
@@ -104,7 +104,7 @@ with pkgs;
       /home/coolneng/.local/share/scripts/mail-sync -a
     '';
     after = [ "network-online.target" ];
-    startAt = "*-*-* *:00,15,30,45:00";
+    startAt = "*-*-* *:00,30:00";
   };
 
   # HACK Change home partition permissions for mopidy