diff --git a/data/registers/aes_v3b.yaml b/data/registers/aes_v3b.yaml
index bbe75a7..32a85c0 100644
--- a/data/registers/aes_v3b.yaml
+++ b/data/registers/aes_v3b.yaml
@@ -129,10 +129,6 @@ fieldset/DOUTR:
 fieldset/ICR:
   description: Interrupt clear register
   fields:
-  - name: CCF
-    description: Computation complete flag clear
-    bit_offset: 0
-    bit_size: 1
   - name: RWEIF
     description: Read or write error interrupt flag clear
     bit_offset: 1