diff --git a/hosts/callisto/configuration.nix b/hosts/callisto/configuration.nix
index eba6a13..b681cfa 100755
--- a/hosts/callisto/configuration.nix
+++ b/hosts/callisto/configuration.nix
@@ -126,7 +126,6 @@
   };
 
   services.udev.extraRules = ''
-    KERNEL=="cpu_dma_latency", GROUP="realtime"
     KERNEL=="macsmc-battery", SUBSYSTEM=="power_supply", ATTR{charge_control_end_threshold}="90", ATTR{charge_control_start_threshold}="85"
   '';