diff --git a/lib/systems/platforms.nix b/lib/systems/platforms.nix
index 225ad16bfdc4..81baea4fdb76 100644
--- a/lib/systems/platforms.nix
+++ b/lib/systems/platforms.nix
@@ -33,16 +33,6 @@ rec {
       baseConfig = "powernv_defconfig";
       target = "vmlinux";
       autoModules = true;
-      # avoid driver/FS trouble arising from unusual page size
-      extraConfig = ''
-        PPC_64K_PAGES n
-        PPC_4K_PAGES y
-        IPV6 y
-
-        ATA_BMDMA y
-        ATA_SFF y
-        VIRTIO_MENU y
-      '';
     };
   };