diff --git a/data/registers/flash_l0.yaml b/data/registers/flash_l0.yaml
index 774a776..aa1b7d9 100644
--- a/data/registers/flash_l0.yaml
+++ b/data/registers/flash_l0.yaml
@@ -56,32 +56,26 @@ fieldset/ACR:
       description: Latency
       bit_offset: 0
       bit_size: 1
-      enum: LATENCY
     - name: PRFTEN
       description: Prefetch enable
       bit_offset: 1
       bit_size: 1
-      enum: PRFTEN
     - name: SLEEP_PD
       description: Flash mode during Sleep
       bit_offset: 3
       bit_size: 1
-      enum: SLEEP_PD
     - name: RUN_PD
       description: Flash mode during Run
       bit_offset: 4
       bit_size: 1
-      enum: RUN_PD
     - name: DISAB_BUF
       description: Disable Buffer
       bit_offset: 5
       bit_size: 1
-      enum: DISAB_BUF
     - name: PRE_READ
       description: Pre-read data address
       bit_offset: 6
       bit_size: 1
-      enum: PRE_READ
 fieldset/OPTKEYR:
   description: Option byte key register
   fields:
@@ -96,17 +90,14 @@ fieldset/OPTR:
       description: Read protection
       bit_offset: 0
       bit_size: 8
-      enum: RDPROT
     - name: WPRMOD
       description: Selection of protection mode of WPR bits
       bit_offset: 8
       bit_size: 1
-      enum: WPRMOD
     - name: BOR_LEV
       description: BOR_LEV
       bit_offset: 16
       bit_size: 4
-      enum: BOR_LEV
 fieldset/PDKEYR:
   description: Power down key register
   fields:
@@ -121,62 +112,50 @@ fieldset/PECR:
       description: FLASH_PECR and data EEPROM lock
       bit_offset: 0
       bit_size: 1
-      enum: PELOCK
     - name: PRGLOCK
       description: Program memory lock
       bit_offset: 1
       bit_size: 1
-      enum: PRGLOCK
     - name: OPTLOCK
       description: Option bytes block lock
       bit_offset: 2
       bit_size: 1
-      enum: OPTLOCK
     - name: PROG
       description: Program memory selection
       bit_offset: 3
       bit_size: 1
-      enum: PROG
     - name: DATA
       description: Data EEPROM selection
       bit_offset: 4
       bit_size: 1
-      enum: DATA
     - name: FIX
       description: "Fixed time data write for Byte, Half Word and Word programming"
       bit_offset: 8
       bit_size: 1
-      enum: FIX
     - name: ERASE
       description: Page or Double Word erase mode
       bit_offset: 9
       bit_size: 1
-      enum: ERASE
     - name: FPRG
       description: Half Page/Double Word programming mode
       bit_offset: 10
       bit_size: 1
-      enum: FPRG
     - name: PARALLELBANK
       description: Parallel bank mode
       bit_offset: 15
       bit_size: 1
-      enum: PARALLELBANK
     - name: EOPIE
       description: End of programming interrupt enable
       bit_offset: 16
       bit_size: 1
-      enum: EOPIE
     - name: ERRIE
       description: Error interrupt enable
       bit_offset: 17
       bit_size: 1
-      enum: ERRIE
     - name: OBL_LAUNCH
       description: Launch the option byte loading
       bit_offset: 18
       bit_size: 1
-      enum_read: OBL_LAUNCHR
       enum_write: OBL_LAUNCHW
 fieldset/PEKEYR:
   description: Program/erase key register
@@ -199,64 +178,46 @@ fieldset/SR:
       description: Write/erase operations in progress
       bit_offset: 0
       bit_size: 1
-      enum: BSY
     - name: EOP
       description: End of operation
       bit_offset: 1
       bit_size: 1
-      enum: EOP
     - name: ENDHV
       description: End of high voltage
       bit_offset: 2
       bit_size: 1
-      enum: ENDHV
     - name: READY
       description: Flash memory module ready after low power mode
       bit_offset: 3
       bit_size: 1
-      enum: READY
     - name: WRPERR
       description: Write protected error
       bit_offset: 8
       bit_size: 1
-      enum_read: WRPERRR
-      enum_write: WRPERRW
     - name: PGAERR
       description: Programming alignment error
       bit_offset: 9
       bit_size: 1
-      enum_read: PGAERRR
-      enum_write: PGAERRW
     - name: SIZERR
       description: Size error
       bit_offset: 10
       bit_size: 1
-      enum_read: SIZERRR
-      enum_write: SIZERRW
     - name: OPTVERR
       description: Option validity error
       bit_offset: 11
       bit_size: 1
-      enum_read: OPTVERRR
-      enum_write: OPTVERRW
     - name: RDERR
       description: RDERR
       bit_offset: 14
       bit_size: 1
-      enum_read: RDERRR
-      enum_write: RDERRW
     - name: NOTZEROERR
       description: NOTZEROERR
       bit_offset: 16
       bit_size: 1
-      enum_read: NOTZEROERRR
-      enum_write: NOTZEROERRW
     - name: FWWERR
       description: FWWERR
       bit_offset: 17
       bit_size: 1
-      enum_read: FWWERRR
-      enum_write: FWWERRW
 fieldset/WRPROT1:
   description: Write Protection Register 1
   fields:
@@ -277,354 +238,3 @@ fieldset/WRPROT2:
       array:
         len: 1
         stride: 0
-enum/BOR_LEV:
-  bit_size: 4
-  variants:
-    - name: BOR_Off
-      description: This is the reset threshold level for the 1.45 V - 1.55 V voltage range (power-down only)
-      value: 0
-    - name: BOR_Level1
-      description: Reset threshold level for VBOR0 (around 1.8 V)
-      value: 1
-    - name: BOR_Level2
-      description: Reset threshold level for VBOR1 (around 2.0 V)
-      value: 2
-    - name: BOR_Level3
-      description: Reset threshold level for VBOR2 (around 2.5 V)
-      value: 3
-    - name: BOR_Level4
-      description: Reset threshold level for VBOR3 (around 2.7 V)
-      value: 4
-    - name: BOR_Level5
-      description: Reset threshold level for VBOR4 (around 3.0 V)
-      value: 5
-enum/BSY:
-  bit_size: 1
-  variants:
-    - name: Inactive
-      description: No write/erase operation is in progress
-      value: 0
-    - name: Active
-      description: No write/erase operation is in progress
-      value: 1
-enum/DATA:
-  bit_size: 1
-  variants:
-    - name: NotSelected
-      description: Data EEPROM not selected
-      value: 0
-    - name: Selected
-      description: Data memory selected
-      value: 1
-enum/DISAB_BUF:
-  bit_size: 1
-  variants:
-    - name: Enabled
-      description: The buffers are enabled
-      value: 0
-    - name: Disabled
-      description: The buffers are disabled
-      value: 1
-enum/ENDHV:
-  bit_size: 1
-  variants:
-    - name: Active
-      description: High voltage is executing a write/erase operation in the NVM
-      value: 0
-    - name: Inactive
-      description: "High voltage is off, no write/erase operation is ongoing"
-      value: 1
-enum/EOP:
-  bit_size: 1
-  variants:
-    - name: NoEvent
-      description: No EOP operation occurred
-      value: 0
-    - name: Event
-      description: An EOP event occurred
-      value: 1
-enum/EOPIE:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: End of program interrupt disable
-      value: 0
-    - name: Enabled
-      description: End of program interrupt enable
-      value: 1
-enum/ERASE:
-  bit_size: 1
-  variants:
-    - name: NoErase
-      description: No erase operation requested
-      value: 0
-    - name: Erase
-      description: Erase operation requested
-      value: 1
-enum/ERRIE:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: Error interrupt disable
-      value: 0
-    - name: Enabled
-      description: Error interrupt enable
-      value: 1
-enum/FIX:
-  bit_size: 1
-  variants:
-    - name: AutoErase
-      description: An erase phase is automatically performed
-      value: 0
-    - name: PrelimErase
-      description: The program operation is always performed with a preliminary erase
-      value: 1
-enum/FPRG:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: Half Page programming disabled
-      value: 0
-    - name: Enabled
-      description: Half Page programming enabled
-      value: 1
-enum/FWWERRR:
-  bit_size: 1
-  variants:
-    - name: NoError
-      description: No write/erase operation aborted to perform a fetch
-      value: 0
-    - name: Error
-      description: A write/erase operation aborted to perform a fetch
-      value: 1
-enum/FWWERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1
-enum/LATENCY:
-  bit_size: 1
-  variants:
-    - name: WS0
-      description: Zero wait state is used to read a word in the NVM
-      value: 0
-    - name: WS1
-      description: One wait state is used to read a word in the NVM
-      value: 1
-enum/NOTZEROERRR:
-  bit_size: 1
-  variants:
-    - name: NoEvent
-      description: The write operation is done in an erased region or the memory interface can apply an erase before a write
-      value: 0
-    - name: Event
-      description: The write operation is attempting to write to a not-erased region and the memory interface cannot apply an erase before a write
-      value: 1
-enum/NOTZEROERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1
-enum/OBL_LAUNCHR:
-  bit_size: 1
-  variants:
-    - name: Complete
-      description: Option byte loaded
-      value: 0
-    - name: NotComplete
-      description: Option byte loading to be done
-      value: 1
-enum/OBL_LAUNCHW:
-  bit_size: 1
-  variants:
-    - name: Reload
-      description: Reload option byte
-      value: 1
-enum/OPTLOCK:
-  bit_size: 1
-  variants:
-    - name: Unlocked
-      description: The write and erase operations in the Option bytes area are disabled
-      value: 0
-    - name: Locked
-      description: The write and erase operations in the Option bytes area are enabled
-      value: 1
-enum/OPTVERRR:
-  bit_size: 1
-  variants:
-    - name: NoError
-      description: No error happened during the Option bytes loading
-      value: 0
-    - name: Error
-      description: One or more errors happened during the Option bytes loading
-      value: 1
-enum/OPTVERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1
-enum/PARALLELBANK:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: Parallel bank mode disabled
-      value: 0
-    - name: Enabled
-      description: Parallel bank mode enabled
-      value: 1
-enum/PELOCK:
-  bit_size: 1
-  variants:
-    - name: Unlocked
-      description: The FLASH_PECR register is unlocked
-      value: 0
-    - name: Locked
-      description: The FLASH_PECR register is locked and no write/erase operation can start
-      value: 1
-enum/PGAERRR:
-  bit_size: 1
-  variants:
-    - name: NoError
-      description: No alignment error happened
-      value: 0
-    - name: Error
-      description: One alignment error happened
-      value: 1
-enum/PGAERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1
-enum/PRE_READ:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: The pre-read is disabled
-      value: 0
-    - name: Enabled
-      description: The pre-read is enabled
-      value: 1
-enum/PRFTEN:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: Prefetch is disabled
-      value: 0
-    - name: Enabled
-      description: Prefetch is enabled
-      value: 1
-enum/PRGLOCK:
-  bit_size: 1
-  variants:
-    - name: Unlocked
-      description: The write and erase operations in the Flash program memory are disabled
-      value: 0
-    - name: Locked
-      description: The write and erase operations in the Flash program memory are enabled
-      value: 1
-enum/PROG:
-  bit_size: 1
-  variants:
-    - name: NotSelected
-      description: The Flash program memory is not selected
-      value: 0
-    - name: Selected
-      description: The Flash program memory is selected
-      value: 1
-enum/RDERRR:
-  bit_size: 1
-  variants:
-    - name: NoError
-      description: No read protection error happened.
-      value: 0
-    - name: Error
-      description: One read protection error happened
-      value: 1
-enum/RDERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1
-enum/RDPROT:
-  bit_size: 8
-  variants:
-    - name: Level1
-      description: Level 1
-      value: 0
-    - name: Level0
-      description: Level 0
-      value: 170
-    - name: Level2
-      description: Level 2
-      value: 204
-enum/READY:
-  bit_size: 1
-  variants:
-    - name: NotReady
-      description: The NVM is not ready
-      value: 0
-    - name: Ready
-      description: The NVM is ready
-      value: 1
-enum/RUN_PD:
-  bit_size: 1
-  variants:
-    - name: NVMIdleMode
-      description: "When the device is in Run mode, the NVM is in Idle mode"
-      value: 0
-    - name: NVMPwrDownMode
-      description: "When the device is in Run mode, the NVM is in power-down mode"
-      value: 1
-enum/SIZERRR:
-  bit_size: 1
-  variants:
-    - name: NoError
-      description: No size error happened
-      value: 0
-    - name: Error
-      description: One size error happened
-      value: 1
-enum/SIZERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1
-enum/SLEEP_PD:
-  bit_size: 1
-  variants:
-    - name: NVMIdleMode
-      description: "When the device is in Sleep mode, the NVM is in Idle mode"
-      value: 0
-    - name: NVMPwrDownMode
-      description: "When the device is in Sleep mode, the NVM is in power-down mode"
-      value: 1
-enum/WPRMOD:
-  bit_size: 1
-  variants:
-    - name: Disabled
-      description: PCROP disabled. The WRPROT bits are used as a write protection on a sector.
-      value: 0
-    - name: Enabled
-      description: PCROP enabled. The WRPROT bits are used as a read protection on a sector.
-      value: 1
-enum/WRPERRR:
-  bit_size: 1
-  variants:
-    - name: NoError
-      description: No protection error happened
-      value: 0
-    - name: Error
-      description: One protection error happened
-      value: 1
-enum/WRPERRW:
-  bit_size: 1
-  variants:
-    - name: Clear
-      description: Clear the flag
-      value: 1