diff --git a/drivers/nvme/nvme.asm b/drivers/nvme/nvme.asm
index 665f1be..fbbf720 100644
--- a/drivers/nvme/nvme.asm
+++ b/drivers/nvme/nvme.asm
@@ -21,20 +21,6 @@ NULLPTR = 0
 FALSE = 0
 TRUE = 1
 
-; flags for alloc_dptr
-PRP1_ENTRY_ALLOCATED = 1
-PRP1_LIST_ALLOCATED = 2
-PRP2_ENTRY_ALLOCATED = 4
-PRP2_LIST_ALLOCATED = 8
-
-; IOCTL error codes
-ENOERR = 0 ; No error
-EINVAL_IOCTL = 1 ; unknown IOCTL code, wrong input/output size
-EINVAL_ID =  2 ; .DiskId must be from 0-9
-ESZTOL = 3 ; .DiskSize too large
-ESZTOS = 4 ; .DiskSize too small
-ENOMEM = 5 ; failed to allocate memory
-
 section ".flat" code readable writable executable
 include "../proc32.inc"
 include "../struct.inc"