diff --git a/data/registers/dmamux_v1.yaml b/data/registers/dmamux_v1.yaml
index fa4b6fd..bd3be27 100644
--- a/data/registers/dmamux_v1.yaml
+++ b/data/registers/dmamux_v1.yaml
@@ -18,7 +18,7 @@ block/DMAMUX:
       description: DMAMUX request line multiplexer interrupt clear flag register
       byte_offset: 132
       access: Write
-      fieldset: CFR
+      fieldset: CSR
     - name: RGCR
       description: DMAMux - DMA request generator channel x control register
       array:
@@ -68,16 +68,6 @@ fieldset/CCR:
       description: Synchronization input selected
       bit_offset: 24
       bit_size: 5
-fieldset/CFR:
-  description: DMAMUX request line multiplexer interrupt clear flag register
-  fields:
-    - name: CSOF
-      description: Clear synchronization overrun event flag
-      bit_offset: 0
-      bit_size: 1
-      array:
-        len: 16
-        stride: 1
 fieldset/CSR:
   description: DMAMUX request line multiplexer interrupt channel status register
   fields: