diff --git a/data/registers/rcc_l4.yaml b/data/registers/rcc_l4.yaml
index 7ffe705..a66a83a 100644
--- a/data/registers/rcc_l4.yaml
+++ b/data/registers/rcc_l4.yaml
@@ -205,10 +205,6 @@ fieldset/AHB1ENR:
     bit_size: 1
     description: Graphic MMU clock enable
     name: GFXMMUEN
-  - bit_offset: 11
-    bit_size: 1
-    description: CRC clock enable
-    name: CRCEN
 fieldset/AHB1RSTR:
   description: AHB1 peripheral reset register
   fields:
@@ -287,10 +283,6 @@ fieldset/AHB1SMENR:
     bit_size: 1
     description: GFXMMU clock enable during Sleep and Stop modes
     name: GFXMMUSMEN
-  - bit_offset: 11
-    bit_size: 1
-    description: CRCSMEN
-    name: CRCSMEN
 fieldset/AHB2ENR:
   description: AHB2 peripheral clock enable register
   fields: