diff --git a/data/registers/aes_g081.yaml b/data/registers/aes_g081.yaml
index 5e66002..1857320 100644
--- a/data/registers/aes_g081.yaml
+++ b/data/registers/aes_g081.yaml
@@ -98,22 +98,6 @@ block/AES:
       description: Suspend register 7
       byte_offset: 92
       fieldset: SUSP7R
-    - name: HWCFR
-      description: Hardware configuration register
-      byte_offset: 1008
-      fieldset: HWCFR
-    - name: VERR
-      description: Version register
-      byte_offset: 1012
-      fieldset: VERR
-    - name: IPIDR
-      description: Identification register
-      byte_offset: 1016
-      fieldset: IPIDR
-    - name: SIDR
-      description: Size ID register
-      byte_offset: 1020
-      fieldset: SIDR
 fieldset/CR:
   description: Control register
   fields:
@@ -190,32 +174,6 @@ fieldset/DOUTR:
       description: Output data word
       bit_offset: 0
       bit_size: 32
-fieldset/HWCFR:
-  description: Hardware configuration register
-  fields:
-    - name: CFG1
-      description: HW Generic 1
-      bit_offset: 0
-      bit_size: 4
-    - name: CFG2
-      description: HW Generic 2
-      bit_offset: 4
-      bit_size: 4
-    - name: CFG3
-      description: HW Generic 3
-      bit_offset: 8
-      bit_size: 4
-    - name: CFG4
-      description: HW Generic 4
-      bit_offset: 12
-      bit_size: 4
-fieldset/IPIDR:
-  description: Identification register
-  fields:
-    - name: ID
-      description: Identification code
-      bit_offset: 0
-      bit_size: 32
 fieldset/IVR0:
   description: AES initialization vector register 0
   fields:
@@ -300,13 +258,6 @@ fieldset/KEYR7:
       description: Cryptographic key, bits [255:224]
       bit_offset: 0
       bit_size: 32
-fieldset/SIDR:
-  description: Size ID register
-  fields:
-    - name: ID
-      description: Size Identification code
-      bit_offset: 0
-      bit_size: 32
 fieldset/SR:
   description: Status register
   fields:
@@ -382,17 +333,6 @@ fieldset/SUSP7R:
       description: AES suspend
       bit_offset: 0
       bit_size: 32
-fieldset/VERR:
-  description: Version register
-  fields:
-    - name: MINREV
-      description: Minor revision
-      bit_offset: 0
-      bit_size: 4
-    - name: MAJREV
-      description: Major revision
-      bit_offset: 4
-      bit_size: 4
 enum/GCMPH:
   bit_size: 2
   variants: