diff --git a/hosts/vno1-rp3b/configuration.nix b/hosts/vno1-rp3b/configuration.nix
index a0b346e..c3b237b 100644
--- a/hosts/vno1-rp3b/configuration.nix
+++ b/hosts/vno1-rp3b/configuration.nix
@@ -15,6 +15,7 @@
   boot.initrd.availableKernelModules = ["usbhid"];
   boot.initrd.kernelModules = ["vc4" "bcm2835_dma" "i2c_bcm2835"];
   boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
+  boot.kernelParams = ["cma=320M"]
   boot.kernelModules = [];
   boot.extraModulePackages = [];
   boot.loader.grub.enable = false;
@@ -22,7 +23,6 @@
 
   boot.loader.raspberryPi.firmwareConfig = ''
     dtparam=audio=on
-    gpu_mem=256
   '';
   powerManagement.cpuFreqGovernor = "ondemand";