diff --git a/src/Clash/Cores/Crc/Catalog.hs b/src/Clash/Cores/Crc/Catalog.hs
index 7533ff0..9c3c5d4 100644
--- a/src/Clash/Cores/Crc/Catalog.hs
+++ b/src/Clash/Cores/Crc/Catalog.hs
@@ -15,11 +15,9 @@ All entries are from https://reveng.sourceforge.io/crc-catalogue/all.htm
 module Clash.Cores.Crc.Catalog where
 
 import Clash.Prelude
-import Clash.Class.HasDomain (TryDomain, TryDomainResult(NotFound))
 import Clash.Cores.Crc.Internal
 
 data Crc3_gsm = Crc3_gsm deriving Show
-type instance TryDomain t Crc3_gsm = 'NotFound
 instance KnownCrc Crc3_gsm where
   type CrcWidth Crc3_gsm = 3
   crcParams _ = CrcParams
@@ -32,7 +30,6 @@ instance KnownCrc Crc3_gsm where
     }
 
 data Crc3_rohc = Crc3_rohc deriving Show
-type instance TryDomain t Crc3_rohc = 'NotFound
 instance KnownCrc Crc3_rohc where
   type CrcWidth Crc3_rohc = 3
   crcParams _ = CrcParams
@@ -45,7 +42,6 @@ instance KnownCrc Crc3_rohc where
     }
 
 data Crc4_g_704 = Crc4_g_704 deriving Show
-type instance TryDomain t Crc4_g_704 = 'NotFound
 instance KnownCrc Crc4_g_704 where
   type CrcWidth Crc4_g_704 = 4
   crcParams _ = CrcParams
@@ -58,13 +54,11 @@ instance KnownCrc Crc4_g_704 where
     }
 
 data Crc4_itu = Crc4_itu deriving Show
-type instance TryDomain t Crc4_itu = 'NotFound
 instance KnownCrc Crc4_itu where
   type CrcWidth Crc4_itu = CrcWidth Crc4_g_704
   crcParams _ = crcParams Crc4_g_704
 
 data Crc4_interlaken = Crc4_interlaken deriving Show
-type instance TryDomain t Crc4_interlaken = 'NotFound
 instance KnownCrc Crc4_interlaken where
   type CrcWidth Crc4_interlaken = 4
   crcParams _ = CrcParams
@@ -77,7 +71,6 @@ instance KnownCrc Crc4_interlaken where
     }
 
 data Crc5_epc_c1g2 = Crc5_epc_c1g2 deriving Show
-type instance TryDomain t Crc5_epc_c1g2 = 'NotFound
 instance KnownCrc Crc5_epc_c1g2 where
   type CrcWidth Crc5_epc_c1g2 = 5
   crcParams _ = CrcParams
@@ -90,13 +83,11 @@ instance KnownCrc Crc5_epc_c1g2 where
     }
 
 data Crc5_epc = Crc5_epc deriving Show
-type instance TryDomain t Crc5_epc = 'NotFound
 instance KnownCrc Crc5_epc where
   type CrcWidth Crc5_epc = CrcWidth Crc5_epc_c1g2
   crcParams _ = crcParams Crc5_epc_c1g2
 
 data Crc5_g_704 = Crc5_g_704 deriving Show
-type instance TryDomain t Crc5_g_704 = 'NotFound
 instance KnownCrc Crc5_g_704 where
   type CrcWidth Crc5_g_704 = 5
   crcParams _ = CrcParams
@@ -109,13 +100,11 @@ instance KnownCrc Crc5_g_704 where
     }
 
 data Crc5_itu = Crc5_itu deriving Show
-type instance TryDomain t Crc5_itu = 'NotFound
 instance KnownCrc Crc5_itu where
   type CrcWidth Crc5_itu = CrcWidth Crc5_g_704
   crcParams _ = crcParams Crc5_g_704
 
 data Crc5_usb = Crc5_usb deriving Show
-type instance TryDomain t Crc5_usb = 'NotFound
 instance KnownCrc Crc5_usb where
   type CrcWidth Crc5_usb = 5
   crcParams _ = CrcParams
@@ -128,7 +117,6 @@ instance KnownCrc Crc5_usb where
     }
 
 data Crc6_cdma2000_a = Crc6_cdma2000_a deriving Show
-type instance TryDomain t Crc6_cdma2000_a = 'NotFound
 instance KnownCrc Crc6_cdma2000_a where
   type CrcWidth Crc6_cdma2000_a = 6
   crcParams _ = CrcParams
@@ -141,7 +129,6 @@ instance KnownCrc Crc6_cdma2000_a where
     }
 
 data Crc6_cdma2000_b = Crc6_cdma2000_b deriving Show
-type instance TryDomain t Crc6_cdma2000_b = 'NotFound
 instance KnownCrc Crc6_cdma2000_b where
   type CrcWidth Crc6_cdma2000_b = 6
   crcParams _ = CrcParams
@@ -154,7 +141,6 @@ instance KnownCrc Crc6_cdma2000_b where
     }
 
 data Crc6_darc = Crc6_darc deriving Show
-type instance TryDomain t Crc6_darc = 'NotFound
 instance KnownCrc Crc6_darc where
   type CrcWidth Crc6_darc = 6
   crcParams _ = CrcParams
@@ -167,7 +153,6 @@ instance KnownCrc Crc6_darc where
     }
 
 data Crc6_g_704 = Crc6_g_704 deriving Show
-type instance TryDomain t Crc6_g_704 = 'NotFound
 instance KnownCrc Crc6_g_704 where
   type CrcWidth Crc6_g_704 = 6
   crcParams _ = CrcParams
@@ -180,13 +165,11 @@ instance KnownCrc Crc6_g_704 where
     }
 
 data Crc6_itu = Crc6_itu deriving Show
-type instance TryDomain t Crc6_itu = 'NotFound
 instance KnownCrc Crc6_itu where
   type CrcWidth Crc6_itu = CrcWidth Crc6_g_704
   crcParams _ = crcParams Crc6_g_704
 
 data Crc6_gsm = Crc6_gsm deriving Show
-type instance TryDomain t Crc6_gsm = 'NotFound
 instance KnownCrc Crc6_gsm where
   type CrcWidth Crc6_gsm = 6
   crcParams _ = CrcParams
@@ -199,7 +182,6 @@ instance KnownCrc Crc6_gsm where
     }
 
 data Crc7_mmc = Crc7_mmc deriving Show
-type instance TryDomain t Crc7_mmc = 'NotFound
 instance KnownCrc Crc7_mmc where
   type CrcWidth Crc7_mmc = 7
   crcParams _ = CrcParams
@@ -212,7 +194,6 @@ instance KnownCrc Crc7_mmc where
     }
 
 data Crc7_rohc = Crc7_rohc deriving Show
-type instance TryDomain t Crc7_rohc = 'NotFound
 instance KnownCrc Crc7_rohc where
   type CrcWidth Crc7_rohc = 7
   crcParams _ = CrcParams
@@ -225,7 +206,6 @@ instance KnownCrc Crc7_rohc where
     }
 
 data Crc7_umts = Crc7_umts deriving Show
-type instance TryDomain t Crc7_umts = 'NotFound
 instance KnownCrc Crc7_umts where
   type CrcWidth Crc7_umts = 7
   crcParams _ = CrcParams
@@ -238,7 +218,6 @@ instance KnownCrc Crc7_umts where
     }
 
 data Crc8_autosar = Crc8_autosar deriving Show
-type instance TryDomain t Crc8_autosar = 'NotFound
 instance KnownCrc Crc8_autosar where
   type CrcWidth Crc8_autosar = 8
   crcParams _ = CrcParams
@@ -251,7 +230,6 @@ instance KnownCrc Crc8_autosar where
     }
 
 data Crc8_bluetooth = Crc8_bluetooth deriving Show
-type instance TryDomain t Crc8_bluetooth = 'NotFound
 instance KnownCrc Crc8_bluetooth where
   type CrcWidth Crc8_bluetooth = 8
   crcParams _ = CrcParams
@@ -264,7 +242,6 @@ instance KnownCrc Crc8_bluetooth where
     }
 
 data Crc8_cdma2000 = Crc8_cdma2000 deriving Show
-type instance TryDomain t Crc8_cdma2000 = 'NotFound
 instance KnownCrc Crc8_cdma2000 where
   type CrcWidth Crc8_cdma2000 = 8
   crcParams _ = CrcParams
@@ -277,7 +254,6 @@ instance KnownCrc Crc8_cdma2000 where
     }
 
 data Crc8_darc = Crc8_darc deriving Show
-type instance TryDomain t Crc8_darc = 'NotFound
 instance KnownCrc Crc8_darc where
   type CrcWidth Crc8_darc = 8
   crcParams _ = CrcParams
@@ -290,7 +266,6 @@ instance KnownCrc Crc8_darc where
     }
 
 data Crc8_dvb_s2 = Crc8_dvb_s2 deriving Show
-type instance TryDomain t Crc8_dvb_s2 = 'NotFound
 instance KnownCrc Crc8_dvb_s2 where
   type CrcWidth Crc8_dvb_s2 = 8
   crcParams _ = CrcParams
@@ -303,7 +278,6 @@ instance KnownCrc Crc8_dvb_s2 where
     }
 
 data Crc8_gsm_a = Crc8_gsm_a deriving Show
-type instance TryDomain t Crc8_gsm_a = 'NotFound
 instance KnownCrc Crc8_gsm_a where
   type CrcWidth Crc8_gsm_a = 8
   crcParams _ = CrcParams
@@ -316,7 +290,6 @@ instance KnownCrc Crc8_gsm_a where
     }
 
 data Crc8_gsm_b = Crc8_gsm_b deriving Show
-type instance TryDomain t Crc8_gsm_b = 'NotFound
 instance KnownCrc Crc8_gsm_b where
   type CrcWidth Crc8_gsm_b = 8
   crcParams _ = CrcParams
@@ -329,7 +302,6 @@ instance KnownCrc Crc8_gsm_b where
     }
 
 data Crc8_hitag = Crc8_hitag deriving Show
-type instance TryDomain t Crc8_hitag = 'NotFound
 instance KnownCrc Crc8_hitag where
   type CrcWidth Crc8_hitag = 8
   crcParams _ = CrcParams
@@ -342,7 +314,6 @@ instance KnownCrc Crc8_hitag where
     }
 
 data Crc8_i_432_1 = Crc8_i_432_1 deriving Show
-type instance TryDomain t Crc8_i_432_1 = 'NotFound
 instance KnownCrc Crc8_i_432_1 where
   type CrcWidth Crc8_i_432_1 = 8
   crcParams _ = CrcParams
@@ -355,13 +326,11 @@ instance KnownCrc Crc8_i_432_1 where
     }
 
 data Crc8_itu = Crc8_itu deriving Show
-type instance TryDomain t Crc8_itu = 'NotFound
 instance KnownCrc Crc8_itu where
   type CrcWidth Crc8_itu = CrcWidth Crc8_i_432_1
   crcParams _ = crcParams Crc8_i_432_1
 
 data Crc8_i_code = Crc8_i_code deriving Show
-type instance TryDomain t Crc8_i_code = 'NotFound
 instance KnownCrc Crc8_i_code where
   type CrcWidth Crc8_i_code = 8
   crcParams _ = CrcParams
@@ -374,7 +343,6 @@ instance KnownCrc Crc8_i_code where
     }
 
 data Crc8_lte = Crc8_lte deriving Show
-type instance TryDomain t Crc8_lte = 'NotFound
 instance KnownCrc Crc8_lte where
   type CrcWidth Crc8_lte = 8
   crcParams _ = CrcParams
@@ -387,7 +355,6 @@ instance KnownCrc Crc8_lte where
     }
 
 data Crc8_maxim_dow = Crc8_maxim_dow deriving Show
-type instance TryDomain t Crc8_maxim_dow = 'NotFound
 instance KnownCrc Crc8_maxim_dow where
   type CrcWidth Crc8_maxim_dow = 8
   crcParams _ = CrcParams
@@ -400,13 +367,11 @@ instance KnownCrc Crc8_maxim_dow where
     }
 
 data Crc8_maxim = Crc8_maxim deriving Show
-type instance TryDomain t Crc8_maxim = 'NotFound
 instance KnownCrc Crc8_maxim where
   type CrcWidth Crc8_maxim = CrcWidth Crc8_maxim_dow
   crcParams _ = crcParams Crc8_maxim_dow
 
 data Crc8_mifare_mad = Crc8_mifare_mad deriving Show
-type instance TryDomain t Crc8_mifare_mad = 'NotFound
 instance KnownCrc Crc8_mifare_mad where
   type CrcWidth Crc8_mifare_mad = 8
   crcParams _ = CrcParams
@@ -419,7 +384,6 @@ instance KnownCrc Crc8_mifare_mad where
     }
 
 data Crc8_nrsc_5 = Crc8_nrsc_5 deriving Show
-type instance TryDomain t Crc8_nrsc_5 = 'NotFound
 instance KnownCrc Crc8_nrsc_5 where
   type CrcWidth Crc8_nrsc_5 = 8
   crcParams _ = CrcParams
@@ -432,7 +396,6 @@ instance KnownCrc Crc8_nrsc_5 where
     }
 
 data Crc8_opensafety = Crc8_opensafety deriving Show
-type instance TryDomain t Crc8_opensafety = 'NotFound
 instance KnownCrc Crc8_opensafety where
   type CrcWidth Crc8_opensafety = 8
   crcParams _ = CrcParams
@@ -445,7 +408,6 @@ instance KnownCrc Crc8_opensafety where
     }
 
 data Crc8_rohc = Crc8_rohc deriving Show
-type instance TryDomain t Crc8_rohc = 'NotFound
 instance KnownCrc Crc8_rohc where
   type CrcWidth Crc8_rohc = 8
   crcParams _ = CrcParams
@@ -458,7 +420,6 @@ instance KnownCrc Crc8_rohc where
     }
 
 data Crc8_sae_j1850 = Crc8_sae_j1850 deriving Show
-type instance TryDomain t Crc8_sae_j1850 = 'NotFound
 instance KnownCrc Crc8_sae_j1850 where
   type CrcWidth Crc8_sae_j1850 = 8
   crcParams _ = CrcParams
@@ -471,7 +432,6 @@ instance KnownCrc Crc8_sae_j1850 where
     }
 
 data Crc8_smbus = Crc8_smbus deriving Show
-type instance TryDomain t Crc8_smbus = 'NotFound
 instance KnownCrc Crc8_smbus where
   type CrcWidth Crc8_smbus = 8
   crcParams _ = CrcParams
@@ -484,7 +444,6 @@ instance KnownCrc Crc8_smbus where
     }
 
 data Crc8_tech_3250 = Crc8_tech_3250 deriving Show
-type instance TryDomain t Crc8_tech_3250 = 'NotFound
 instance KnownCrc Crc8_tech_3250 where
   type CrcWidth Crc8_tech_3250 = 8
   crcParams _ = CrcParams
@@ -497,19 +456,16 @@ instance KnownCrc Crc8_tech_3250 where
     }
 
 data Crc8_aes = Crc8_aes deriving Show
-type instance TryDomain t Crc8_aes = 'NotFound
 instance KnownCrc Crc8_aes where
   type CrcWidth Crc8_aes = CrcWidth Crc8_tech_3250
   crcParams _ = crcParams Crc8_tech_3250
 
 data Crc8_etu = Crc8_etu deriving Show
-type instance TryDomain t Crc8_etu = 'NotFound
 instance KnownCrc Crc8_etu where
   type CrcWidth Crc8_etu = CrcWidth Crc8_tech_3250
   crcParams _ = crcParams Crc8_tech_3250
 
 data Crc8_wcdma = Crc8_wcdma deriving Show
-type instance TryDomain t Crc8_wcdma = 'NotFound
 instance KnownCrc Crc8_wcdma where
   type CrcWidth Crc8_wcdma = 8
   crcParams _ = CrcParams
@@ -522,7 +478,6 @@ instance KnownCrc Crc8_wcdma where
     }
 
 data Crc10_atm = Crc10_atm deriving Show
-type instance TryDomain t Crc10_atm = 'NotFound
 instance KnownCrc Crc10_atm where
   type CrcWidth Crc10_atm = 10
   crcParams _ = CrcParams
@@ -535,13 +490,11 @@ instance KnownCrc Crc10_atm where
     }
 
 data Crc10_i_610 = Crc10_i_610 deriving Show
-type instance TryDomain t Crc10_i_610 = 'NotFound
 instance KnownCrc Crc10_i_610 where
   type CrcWidth Crc10_i_610 = CrcWidth Crc10_atm
   crcParams _ = crcParams Crc10_atm
 
 data Crc10_cdma2000 = Crc10_cdma2000 deriving Show
-type instance TryDomain t Crc10_cdma2000 = 'NotFound
 instance KnownCrc Crc10_cdma2000 where
   type CrcWidth Crc10_cdma2000 = 10
   crcParams _ = CrcParams
@@ -554,7 +507,6 @@ instance KnownCrc Crc10_cdma2000 where
     }
 
 data Crc10_gsm = Crc10_gsm deriving Show
-type instance TryDomain t Crc10_gsm = 'NotFound
 instance KnownCrc Crc10_gsm where
   type CrcWidth Crc10_gsm = 10
   crcParams _ = CrcParams
@@ -567,7 +519,6 @@ instance KnownCrc Crc10_gsm where
     }
 
 data Crc11_flexray = Crc11_flexray deriving Show
-type instance TryDomain t Crc11_flexray = 'NotFound
 instance KnownCrc Crc11_flexray where
   type CrcWidth Crc11_flexray = 11
   crcParams _ = CrcParams
@@ -580,7 +531,6 @@ instance KnownCrc Crc11_flexray where
     }
 
 data Crc11_umts = Crc11_umts deriving Show
-type instance TryDomain t Crc11_umts = 'NotFound
 instance KnownCrc Crc11_umts where
   type CrcWidth Crc11_umts = 11
   crcParams _ = CrcParams
@@ -593,7 +543,6 @@ instance KnownCrc Crc11_umts where
     }
 
 data Crc12_cdma2000 = Crc12_cdma2000 deriving Show
-type instance TryDomain t Crc12_cdma2000 = 'NotFound
 instance KnownCrc Crc12_cdma2000 where
   type CrcWidth Crc12_cdma2000 = 12
   crcParams _ = CrcParams
@@ -606,7 +555,6 @@ instance KnownCrc Crc12_cdma2000 where
     }
 
 data Crc12_dect = Crc12_dect deriving Show
-type instance TryDomain t Crc12_dect = 'NotFound
 instance KnownCrc Crc12_dect where
   type CrcWidth Crc12_dect = 12
   crcParams _ = CrcParams
@@ -619,7 +567,6 @@ instance KnownCrc Crc12_dect where
     }
 
 data Crc12_gsm = Crc12_gsm deriving Show
-type instance TryDomain t Crc12_gsm = 'NotFound
 instance KnownCrc Crc12_gsm where
   type CrcWidth Crc12_gsm = 12
   crcParams _ = CrcParams
@@ -632,7 +579,6 @@ instance KnownCrc Crc12_gsm where
     }
 
 data Crc12_umts = Crc12_umts deriving Show
-type instance TryDomain t Crc12_umts = 'NotFound
 instance KnownCrc Crc12_umts where
   type CrcWidth Crc12_umts = 12
   crcParams _ = CrcParams
@@ -645,13 +591,11 @@ instance KnownCrc Crc12_umts where
     }
 
 data Crc12_3gpp = Crc12_3gpp deriving Show
-type instance TryDomain t Crc12_3gpp = 'NotFound
 instance KnownCrc Crc12_3gpp where
   type CrcWidth Crc12_3gpp = CrcWidth Crc12_umts
   crcParams _ = crcParams Crc12_umts
 
 data Crc13_bbc = Crc13_bbc deriving Show
-type instance TryDomain t Crc13_bbc = 'NotFound
 instance KnownCrc Crc13_bbc where
   type CrcWidth Crc13_bbc = 13
   crcParams _ = CrcParams
@@ -664,7 +608,6 @@ instance KnownCrc Crc13_bbc where
     }
 
 data Crc14_darc = Crc14_darc deriving Show
-type instance TryDomain t Crc14_darc = 'NotFound
 instance KnownCrc Crc14_darc where
   type CrcWidth Crc14_darc = 14
   crcParams _ = CrcParams
@@ -677,7 +620,6 @@ instance KnownCrc Crc14_darc where
     }
 
 data Crc14_gsm = Crc14_gsm deriving Show
-type instance TryDomain t Crc14_gsm = 'NotFound
 instance KnownCrc Crc14_gsm where
   type CrcWidth Crc14_gsm = 14
   crcParams _ = CrcParams
@@ -690,7 +632,6 @@ instance KnownCrc Crc14_gsm where
     }
 
 data Crc15_can = Crc15_can deriving Show
-type instance TryDomain t Crc15_can = 'NotFound
 instance KnownCrc Crc15_can where
   type CrcWidth Crc15_can = 15
   crcParams _ = CrcParams
@@ -703,7 +644,6 @@ instance KnownCrc Crc15_can where
     }
 
 data Crc15_mpt1327 = Crc15_mpt1327 deriving Show
-type instance TryDomain t Crc15_mpt1327 = 'NotFound
 instance KnownCrc Crc15_mpt1327 where
   type CrcWidth Crc15_mpt1327 = 15
   crcParams _ = CrcParams
@@ -716,7 +656,6 @@ instance KnownCrc Crc15_mpt1327 where
     }
 
 data Crc16_arc = Crc16_arc deriving Show
-type instance TryDomain t Crc16_arc = 'NotFound
 instance KnownCrc Crc16_arc where
   type CrcWidth Crc16_arc = 16
   crcParams _ = CrcParams
@@ -729,13 +668,11 @@ instance KnownCrc Crc16_arc where
     }
 
 data Crc16_ibm = Crc16_ibm deriving Show
-type instance TryDomain t Crc16_ibm = 'NotFound
 instance KnownCrc Crc16_ibm where
   type CrcWidth Crc16_ibm = CrcWidth Crc16_arc
   crcParams _ = crcParams Crc16_arc
 
 data Crc16_cdma2000 = Crc16_cdma2000 deriving Show
-type instance TryDomain t Crc16_cdma2000 = 'NotFound
 instance KnownCrc Crc16_cdma2000 where
   type CrcWidth Crc16_cdma2000 = 16
   crcParams _ = CrcParams
@@ -748,7 +685,6 @@ instance KnownCrc Crc16_cdma2000 where
     }
 
 data Crc16_cms = Crc16_cms deriving Show
-type instance TryDomain t Crc16_cms = 'NotFound
 instance KnownCrc Crc16_cms where
   type CrcWidth Crc16_cms = 16
   crcParams _ = CrcParams
@@ -761,7 +697,6 @@ instance KnownCrc Crc16_cms where
     }
 
 data Crc16_dds_110 = Crc16_dds_110 deriving Show
-type instance TryDomain t Crc16_dds_110 = 'NotFound
 instance KnownCrc Crc16_dds_110 where
   type CrcWidth Crc16_dds_110 = 16
   crcParams _ = CrcParams
@@ -774,7 +709,6 @@ instance KnownCrc Crc16_dds_110 where
     }
 
 data Crc16_dect_r = Crc16_dect_r deriving Show
-type instance TryDomain t Crc16_dect_r = 'NotFound
 instance KnownCrc Crc16_dect_r where
   type CrcWidth Crc16_dect_r = 16
   crcParams _ = CrcParams
@@ -787,7 +721,6 @@ instance KnownCrc Crc16_dect_r where
     }
 
 data Crc16_dect_x = Crc16_dect_x deriving Show
-type instance TryDomain t Crc16_dect_x = 'NotFound
 instance KnownCrc Crc16_dect_x where
   type CrcWidth Crc16_dect_x = 16
   crcParams _ = CrcParams
@@ -800,7 +733,6 @@ instance KnownCrc Crc16_dect_x where
     }
 
 data Crc16_dnp = Crc16_dnp deriving Show
-type instance TryDomain t Crc16_dnp = 'NotFound
 instance KnownCrc Crc16_dnp where
   type CrcWidth Crc16_dnp = 16
   crcParams _ = CrcParams
@@ -813,7 +745,6 @@ instance KnownCrc Crc16_dnp where
     }
 
 data Crc16_en_13757 = Crc16_en_13757 deriving Show
-type instance TryDomain t Crc16_en_13757 = 'NotFound
 instance KnownCrc Crc16_en_13757 where
   type CrcWidth Crc16_en_13757 = 16
   crcParams _ = CrcParams
@@ -826,7 +757,6 @@ instance KnownCrc Crc16_en_13757 where
     }
 
 data Crc16_genibus = Crc16_genibus deriving Show
-type instance TryDomain t Crc16_genibus = 'NotFound
 instance KnownCrc Crc16_genibus where
   type CrcWidth Crc16_genibus = 16
   crcParams _ = CrcParams
@@ -839,31 +769,26 @@ instance KnownCrc Crc16_genibus where
     }
 
 data Crc16_darc = Crc16_darc deriving Show
-type instance TryDomain t Crc16_darc = 'NotFound
 instance KnownCrc Crc16_darc where
   type CrcWidth Crc16_darc = CrcWidth Crc16_genibus
   crcParams _ = crcParams Crc16_genibus
 
 data Crc16_epc = Crc16_epc deriving Show
-type instance TryDomain t Crc16_epc = 'NotFound
 instance KnownCrc Crc16_epc where
   type CrcWidth Crc16_epc = CrcWidth Crc16_genibus
   crcParams _ = crcParams Crc16_genibus
 
 data Crc16_epc_c1g2 = Crc16_epc_c1g2 deriving Show
-type instance TryDomain t Crc16_epc_c1g2 = 'NotFound
 instance KnownCrc Crc16_epc_c1g2 where
   type CrcWidth Crc16_epc_c1g2 = CrcWidth Crc16_genibus
   crcParams _ = crcParams Crc16_genibus
 
 data Crc16_i_code = Crc16_i_code deriving Show
-type instance TryDomain t Crc16_i_code = 'NotFound
 instance KnownCrc Crc16_i_code where
   type CrcWidth Crc16_i_code = CrcWidth Crc16_genibus
   crcParams _ = crcParams Crc16_genibus
 
 data Crc16_gsm = Crc16_gsm deriving Show
-type instance TryDomain t Crc16_gsm = 'NotFound
 instance KnownCrc Crc16_gsm where
   type CrcWidth Crc16_gsm = 16
   crcParams _ = CrcParams
@@ -876,7 +801,6 @@ instance KnownCrc Crc16_gsm where
     }
 
 data Crc16_ibm_3740 = Crc16_ibm_3740 deriving Show
-type instance TryDomain t Crc16_ibm_3740 = 'NotFound
 instance KnownCrc Crc16_ibm_3740 where
   type CrcWidth Crc16_ibm_3740 = 16
   crcParams _ = CrcParams
@@ -889,19 +813,16 @@ instance KnownCrc Crc16_ibm_3740 where
     }
 
 data Crc16_autosar = Crc16_autosar deriving Show
-type instance TryDomain t Crc16_autosar = 'NotFound
 instance KnownCrc Crc16_autosar where
   type CrcWidth Crc16_autosar = CrcWidth Crc16_ibm_3740
   crcParams _ = crcParams Crc16_ibm_3740
 
 data Crc16_ccitt_false = Crc16_ccitt_false deriving Show
-type instance TryDomain t Crc16_ccitt_false = 'NotFound
 instance KnownCrc Crc16_ccitt_false where
   type CrcWidth Crc16_ccitt_false = CrcWidth Crc16_ibm_3740
   crcParams _ = crcParams Crc16_ibm_3740
 
 data Crc16_ibm_sdlc = Crc16_ibm_sdlc deriving Show
-type instance TryDomain t Crc16_ibm_sdlc = 'NotFound
 instance KnownCrc Crc16_ibm_sdlc where
   type CrcWidth Crc16_ibm_sdlc = 16
   crcParams _ = CrcParams
@@ -914,25 +835,21 @@ instance KnownCrc Crc16_ibm_sdlc where
     }
 
 data Crc16_iso_hdlc = Crc16_iso_hdlc deriving Show
-type instance TryDomain t Crc16_iso_hdlc = 'NotFound
 instance KnownCrc Crc16_iso_hdlc where
   type CrcWidth Crc16_iso_hdlc = CrcWidth Crc16_ibm_sdlc
   crcParams _ = crcParams Crc16_ibm_sdlc
 
 data Crc16_iso_iec_14443_3_b = Crc16_iso_iec_14443_3_b deriving Show
-type instance TryDomain t Crc16_iso_iec_14443_3_b = 'NotFound
 instance KnownCrc Crc16_iso_iec_14443_3_b where
   type CrcWidth Crc16_iso_iec_14443_3_b = CrcWidth Crc16_ibm_sdlc
   crcParams _ = crcParams Crc16_ibm_sdlc
 
 data Crc16_x25 = Crc16_x25 deriving Show
-type instance TryDomain t Crc16_x25 = 'NotFound
 instance KnownCrc Crc16_x25 where
   type CrcWidth Crc16_x25 = CrcWidth Crc16_ibm_sdlc
   crcParams _ = crcParams Crc16_ibm_sdlc
 
 data Crc16_iso_iec_14443_3_a = Crc16_iso_iec_14443_3_a deriving Show
-type instance TryDomain t Crc16_iso_iec_14443_3_a = 'NotFound
 instance KnownCrc Crc16_iso_iec_14443_3_a where
   type CrcWidth Crc16_iso_iec_14443_3_a = 16
   crcParams _ = CrcParams
@@ -945,7 +862,6 @@ instance KnownCrc Crc16_iso_iec_14443_3_a where
     }
 
 data Crc16_kermit = Crc16_kermit deriving Show
-type instance TryDomain t Crc16_kermit = 'NotFound
 instance KnownCrc Crc16_kermit where
   type CrcWidth Crc16_kermit = 16
   crcParams _ = CrcParams
@@ -958,31 +874,26 @@ instance KnownCrc Crc16_kermit where
     }
 
 data Crc16_bluetooth = Crc16_bluetooth deriving Show
-type instance TryDomain t Crc16_bluetooth = 'NotFound
 instance KnownCrc Crc16_bluetooth where
   type CrcWidth Crc16_bluetooth = CrcWidth Crc16_kermit
   crcParams _ = crcParams Crc16_kermit
 
 data Crc16_ccitt = Crc16_ccitt deriving Show
-type instance TryDomain t Crc16_ccitt = 'NotFound
 instance KnownCrc Crc16_ccitt where
   type CrcWidth Crc16_ccitt = CrcWidth Crc16_kermit
   crcParams _ = crcParams Crc16_kermit
 
 data Crc16_ccitt_true = Crc16_ccitt_true deriving Show
-type instance TryDomain t Crc16_ccitt_true = 'NotFound
 instance KnownCrc Crc16_ccitt_true where
   type CrcWidth Crc16_ccitt_true = CrcWidth Crc16_kermit
   crcParams _ = crcParams Crc16_kermit
 
 data Crc16_v_41_lsb = Crc16_v_41_lsb deriving Show
-type instance TryDomain t Crc16_v_41_lsb = 'NotFound
 instance KnownCrc Crc16_v_41_lsb where
   type CrcWidth Crc16_v_41_lsb = CrcWidth Crc16_kermit
   crcParams _ = crcParams Crc16_kermit
 
 data Crc16_lj1200 = Crc16_lj1200 deriving Show
-type instance TryDomain t Crc16_lj1200 = 'NotFound
 instance KnownCrc Crc16_lj1200 where
   type CrcWidth Crc16_lj1200 = 16
   crcParams _ = CrcParams
@@ -995,7 +906,6 @@ instance KnownCrc Crc16_lj1200 where
     }
 
 data Crc16_m17 = Crc16_m17 deriving Show
-type instance TryDomain t Crc16_m17 = 'NotFound
 instance KnownCrc Crc16_m17 where
   type CrcWidth Crc16_m17 = 16
   crcParams _ = CrcParams
@@ -1008,7 +918,6 @@ instance KnownCrc Crc16_m17 where
     }
 
 data Crc16_maxim_dow = Crc16_maxim_dow deriving Show
-type instance TryDomain t Crc16_maxim_dow = 'NotFound
 instance KnownCrc Crc16_maxim_dow where
   type CrcWidth Crc16_maxim_dow = 16
   crcParams _ = CrcParams
@@ -1021,13 +930,11 @@ instance KnownCrc Crc16_maxim_dow where
     }
 
 data Crc16_maxim = Crc16_maxim deriving Show
-type instance TryDomain t Crc16_maxim = 'NotFound
 instance KnownCrc Crc16_maxim where
   type CrcWidth Crc16_maxim = CrcWidth Crc16_maxim_dow
   crcParams _ = crcParams Crc16_maxim_dow
 
 data Crc16_mcrf4xx = Crc16_mcrf4xx deriving Show
-type instance TryDomain t Crc16_mcrf4xx = 'NotFound
 instance KnownCrc Crc16_mcrf4xx where
   type CrcWidth Crc16_mcrf4xx = 16
   crcParams _ = CrcParams
@@ -1040,7 +947,6 @@ instance KnownCrc Crc16_mcrf4xx where
     }
 
 data Crc16_modbus = Crc16_modbus deriving Show
-type instance TryDomain t Crc16_modbus = 'NotFound
 instance KnownCrc Crc16_modbus where
   type CrcWidth Crc16_modbus = 16
   crcParams _ = CrcParams
@@ -1053,7 +959,6 @@ instance KnownCrc Crc16_modbus where
     }
 
 data Crc16_nrsc_5 = Crc16_nrsc_5 deriving Show
-type instance TryDomain t Crc16_nrsc_5 = 'NotFound
 instance KnownCrc Crc16_nrsc_5 where
   type CrcWidth Crc16_nrsc_5 = 16
   crcParams _ = CrcParams
@@ -1066,7 +971,6 @@ instance KnownCrc Crc16_nrsc_5 where
     }
 
 data Crc16_opensafety_a = Crc16_opensafety_a deriving Show
-type instance TryDomain t Crc16_opensafety_a = 'NotFound
 instance KnownCrc Crc16_opensafety_a where
   type CrcWidth Crc16_opensafety_a = 16
   crcParams _ = CrcParams
@@ -1079,7 +983,6 @@ instance KnownCrc Crc16_opensafety_a where
     }
 
 data Crc16_opensafety_b = Crc16_opensafety_b deriving Show
-type instance TryDomain t Crc16_opensafety_b = 'NotFound
 instance KnownCrc Crc16_opensafety_b where
   type CrcWidth Crc16_opensafety_b = 16
   crcParams _ = CrcParams
@@ -1092,7 +995,6 @@ instance KnownCrc Crc16_opensafety_b where
     }
 
 data Crc16_profibus = Crc16_profibus deriving Show
-type instance TryDomain t Crc16_profibus = 'NotFound
 instance KnownCrc Crc16_profibus where
   type CrcWidth Crc16_profibus = 16
   crcParams _ = CrcParams
@@ -1105,13 +1007,11 @@ instance KnownCrc Crc16_profibus where
     }
 
 data Crc16_iec_61158_2 = Crc16_iec_61158_2 deriving Show
-type instance TryDomain t Crc16_iec_61158_2 = 'NotFound
 instance KnownCrc Crc16_iec_61158_2 where
   type CrcWidth Crc16_iec_61158_2 = CrcWidth Crc16_profibus
   crcParams _ = crcParams Crc16_profibus
 
 data Crc16_riello = Crc16_riello deriving Show
-type instance TryDomain t Crc16_riello = 'NotFound
 instance KnownCrc Crc16_riello where
   type CrcWidth Crc16_riello = 16
   crcParams _ = CrcParams
@@ -1124,7 +1024,6 @@ instance KnownCrc Crc16_riello where
     }
 
 data Crc16_spi_fujitsu = Crc16_spi_fujitsu deriving Show
-type instance TryDomain t Crc16_spi_fujitsu = 'NotFound
 instance KnownCrc Crc16_spi_fujitsu where
   type CrcWidth Crc16_spi_fujitsu = 16
   crcParams _ = CrcParams
@@ -1137,13 +1036,11 @@ instance KnownCrc Crc16_spi_fujitsu where
     }
 
 data Crc16_aug_ccitt = Crc16_aug_ccitt deriving Show
-type instance TryDomain t Crc16_aug_ccitt = 'NotFound
 instance KnownCrc Crc16_aug_ccitt where
   type CrcWidth Crc16_aug_ccitt = CrcWidth Crc16_spi_fujitsu
   crcParams _ = crcParams Crc16_spi_fujitsu
 
 data Crc16_t10_dif = Crc16_t10_dif deriving Show
-type instance TryDomain t Crc16_t10_dif = 'NotFound
 instance KnownCrc Crc16_t10_dif where
   type CrcWidth Crc16_t10_dif = 16
   crcParams _ = CrcParams
@@ -1156,7 +1053,6 @@ instance KnownCrc Crc16_t10_dif where
     }
 
 data Crc16_teledisk = Crc16_teledisk deriving Show
-type instance TryDomain t Crc16_teledisk = 'NotFound
 instance KnownCrc Crc16_teledisk where
   type CrcWidth Crc16_teledisk = 16
   crcParams _ = CrcParams
@@ -1169,7 +1065,6 @@ instance KnownCrc Crc16_teledisk where
     }
 
 data Crc16_tms37157 = Crc16_tms37157 deriving Show
-type instance TryDomain t Crc16_tms37157 = 'NotFound
 instance KnownCrc Crc16_tms37157 where
   type CrcWidth Crc16_tms37157 = 16
   crcParams _ = CrcParams
@@ -1182,7 +1077,6 @@ instance KnownCrc Crc16_tms37157 where
     }
 
 data Crc16_umts = Crc16_umts deriving Show
-type instance TryDomain t Crc16_umts = 'NotFound
 instance KnownCrc Crc16_umts where
   type CrcWidth Crc16_umts = 16
   crcParams _ = CrcParams
@@ -1195,19 +1089,16 @@ instance KnownCrc Crc16_umts where
     }
 
 data Crc16_verifone = Crc16_verifone deriving Show
-type instance TryDomain t Crc16_verifone = 'NotFound
 instance KnownCrc Crc16_verifone where
   type CrcWidth Crc16_verifone = CrcWidth Crc16_umts
   crcParams _ = crcParams Crc16_umts
 
 data Crc16_buypass = Crc16_buypass deriving Show
-type instance TryDomain t Crc16_buypass = 'NotFound
 instance KnownCrc Crc16_buypass where
   type CrcWidth Crc16_buypass = CrcWidth Crc16_umts
   crcParams _ = crcParams Crc16_umts
 
 data Crc16_usb = Crc16_usb deriving Show
-type instance TryDomain t Crc16_usb = 'NotFound
 instance KnownCrc Crc16_usb where
   type CrcWidth Crc16_usb = 16
   crcParams _ = CrcParams
@@ -1220,7 +1111,6 @@ instance KnownCrc Crc16_usb where
     }
 
 data Crc16_xmodem = Crc16_xmodem deriving Show
-type instance TryDomain t Crc16_xmodem = 'NotFound
 instance KnownCrc Crc16_xmodem where
   type CrcWidth Crc16_xmodem = 16
   crcParams _ = CrcParams
@@ -1233,31 +1123,26 @@ instance KnownCrc Crc16_xmodem where
     }
 
 data Crc16_acorn = Crc16_acorn deriving Show
-type instance TryDomain t Crc16_acorn = 'NotFound
 instance KnownCrc Crc16_acorn where
   type CrcWidth Crc16_acorn = CrcWidth Crc16_xmodem
   crcParams _ = crcParams Crc16_xmodem
 
 data Crc16_lte = Crc16_lte deriving Show
-type instance TryDomain t Crc16_lte = 'NotFound
 instance KnownCrc Crc16_lte where
   type CrcWidth Crc16_lte = CrcWidth Crc16_xmodem
   crcParams _ = crcParams Crc16_xmodem
 
 data Crc16_v_41_msb = Crc16_v_41_msb deriving Show
-type instance TryDomain t Crc16_v_41_msb = 'NotFound
 instance KnownCrc Crc16_v_41_msb where
   type CrcWidth Crc16_v_41_msb = CrcWidth Crc16_xmodem
   crcParams _ = crcParams Crc16_xmodem
 
 data Crc16_zmodem = Crc16_zmodem deriving Show
-type instance TryDomain t Crc16_zmodem = 'NotFound
 instance KnownCrc Crc16_zmodem where
   type CrcWidth Crc16_zmodem = CrcWidth Crc16_xmodem
   crcParams _ = crcParams Crc16_xmodem
 
 data Crc17_can_fd = Crc17_can_fd deriving Show
-type instance TryDomain t Crc17_can_fd = 'NotFound
 instance KnownCrc Crc17_can_fd where
   type CrcWidth Crc17_can_fd = 17
   crcParams _ = CrcParams
@@ -1270,7 +1155,6 @@ instance KnownCrc Crc17_can_fd where
     }
 
 data Crc21_can_fd = Crc21_can_fd deriving Show
-type instance TryDomain t Crc21_can_fd = 'NotFound
 instance KnownCrc Crc21_can_fd where
   type CrcWidth Crc21_can_fd = 21
   crcParams _ = CrcParams
@@ -1283,7 +1167,6 @@ instance KnownCrc Crc21_can_fd where
     }
 
 data Crc24_ble = Crc24_ble deriving Show
-type instance TryDomain t Crc24_ble = 'NotFound
 instance KnownCrc Crc24_ble where
   type CrcWidth Crc24_ble = 24
   crcParams _ = CrcParams
@@ -1296,7 +1179,6 @@ instance KnownCrc Crc24_ble where
     }
 
 data Crc24_flexray_a = Crc24_flexray_a deriving Show
-type instance TryDomain t Crc24_flexray_a = 'NotFound
 instance KnownCrc Crc24_flexray_a where
   type CrcWidth Crc24_flexray_a = 24
   crcParams _ = CrcParams
@@ -1309,7 +1191,6 @@ instance KnownCrc Crc24_flexray_a where
     }
 
 data Crc24_flexray_b = Crc24_flexray_b deriving Show
-type instance TryDomain t Crc24_flexray_b = 'NotFound
 instance KnownCrc Crc24_flexray_b where
   type CrcWidth Crc24_flexray_b = 24
   crcParams _ = CrcParams
@@ -1322,7 +1203,6 @@ instance KnownCrc Crc24_flexray_b where
     }
 
 data Crc24_interlaken = Crc24_interlaken deriving Show
-type instance TryDomain t Crc24_interlaken = 'NotFound
 instance KnownCrc Crc24_interlaken where
   type CrcWidth Crc24_interlaken = 24
   crcParams _ = CrcParams
@@ -1335,7 +1215,6 @@ instance KnownCrc Crc24_interlaken where
     }
 
 data Crc24_lte_a = Crc24_lte_a deriving Show
-type instance TryDomain t Crc24_lte_a = 'NotFound
 instance KnownCrc Crc24_lte_a where
   type CrcWidth Crc24_lte_a = 24
   crcParams _ = CrcParams
@@ -1348,7 +1227,6 @@ instance KnownCrc Crc24_lte_a where
     }
 
 data Crc24_lte_b = Crc24_lte_b deriving Show
-type instance TryDomain t Crc24_lte_b = 'NotFound
 instance KnownCrc Crc24_lte_b where
   type CrcWidth Crc24_lte_b = 24
   crcParams _ = CrcParams
@@ -1361,7 +1239,6 @@ instance KnownCrc Crc24_lte_b where
     }
 
 data Crc24_openpgp = Crc24_openpgp deriving Show
-type instance TryDomain t Crc24_openpgp = 'NotFound
 instance KnownCrc Crc24_openpgp where
   type CrcWidth Crc24_openpgp = 24
   crcParams _ = CrcParams
@@ -1374,7 +1251,6 @@ instance KnownCrc Crc24_openpgp where
     }
 
 data Crc24_os_9 = Crc24_os_9 deriving Show
-type instance TryDomain t Crc24_os_9 = 'NotFound
 instance KnownCrc Crc24_os_9 where
   type CrcWidth Crc24_os_9 = 24
   crcParams _ = CrcParams
@@ -1387,7 +1263,6 @@ instance KnownCrc Crc24_os_9 where
     }
 
 data Crc30_cdma = Crc30_cdma deriving Show
-type instance TryDomain t Crc30_cdma = 'NotFound
 instance KnownCrc Crc30_cdma where
   type CrcWidth Crc30_cdma = 30
   crcParams _ = CrcParams
@@ -1400,7 +1275,6 @@ instance KnownCrc Crc30_cdma where
     }
 
 data Crc31_philips = Crc31_philips deriving Show
-type instance TryDomain t Crc31_philips = 'NotFound
 instance KnownCrc Crc31_philips where
   type CrcWidth Crc31_philips = 31
   crcParams _ = CrcParams
@@ -1413,7 +1287,6 @@ instance KnownCrc Crc31_philips where
     }
 
 data Crc32_aixm = Crc32_aixm deriving Show
-type instance TryDomain t Crc32_aixm = 'NotFound
 instance KnownCrc Crc32_aixm where
   type CrcWidth Crc32_aixm = 32
   crcParams _ = CrcParams
@@ -1426,7 +1299,6 @@ instance KnownCrc Crc32_aixm where
     }
 
 data Crc32_autosar = Crc32_autosar deriving Show
-type instance TryDomain t Crc32_autosar = 'NotFound
 instance KnownCrc Crc32_autosar where
   type CrcWidth Crc32_autosar = 32
   crcParams _ = CrcParams
@@ -1439,7 +1311,6 @@ instance KnownCrc Crc32_autosar where
     }
 
 data Crc32_base91_d = Crc32_base91_d deriving Show
-type instance TryDomain t Crc32_base91_d = 'NotFound
 instance KnownCrc Crc32_base91_d where
   type CrcWidth Crc32_base91_d = 32
   crcParams _ = CrcParams
@@ -1452,7 +1323,6 @@ instance KnownCrc Crc32_base91_d where
     }
 
 data Crc32_bzip2 = Crc32_bzip2 deriving Show
-type instance TryDomain t Crc32_bzip2 = 'NotFound
 instance KnownCrc Crc32_bzip2 where
   type CrcWidth Crc32_bzip2 = 32
   crcParams _ = CrcParams
@@ -1465,19 +1335,16 @@ instance KnownCrc Crc32_bzip2 where
     }
 
 data Crc32_aal5 = Crc32_aal5 deriving Show
-type instance TryDomain t Crc32_aal5 = 'NotFound
 instance KnownCrc Crc32_aal5 where
   type CrcWidth Crc32_aal5 = CrcWidth Crc32_bzip2
   crcParams _ = crcParams Crc32_bzip2
 
 data Crc32_dect_b = Crc32_dect_b deriving Show
-type instance TryDomain t Crc32_dect_b = 'NotFound
 instance KnownCrc Crc32_dect_b where
   type CrcWidth Crc32_dect_b = CrcWidth Crc32_bzip2
   crcParams _ = crcParams Crc32_bzip2
 
 data Crc32_cd_rom_edc = Crc32_cd_rom_edc deriving Show
-type instance TryDomain t Crc32_cd_rom_edc = 'NotFound
 instance KnownCrc Crc32_cd_rom_edc where
   type CrcWidth Crc32_cd_rom_edc = 32
   crcParams _ = CrcParams
@@ -1490,7 +1357,6 @@ instance KnownCrc Crc32_cd_rom_edc where
     }
 
 data Crc32_cksum = Crc32_cksum deriving Show
-type instance TryDomain t Crc32_cksum = 'NotFound
 instance KnownCrc Crc32_cksum where
   type CrcWidth Crc32_cksum = 32
   crcParams _ = CrcParams
@@ -1503,13 +1369,11 @@ instance KnownCrc Crc32_cksum where
     }
 
 data Crc32_posix = Crc32_posix deriving Show
-type instance TryDomain t Crc32_posix = 'NotFound
 instance KnownCrc Crc32_posix where
   type CrcWidth Crc32_posix = CrcWidth Crc32_cksum
   crcParams _ = crcParams Crc32_cksum
 
 data Crc32_iscsi = Crc32_iscsi deriving Show
-type instance TryDomain t Crc32_iscsi = 'NotFound
 instance KnownCrc Crc32_iscsi where
   type CrcWidth Crc32_iscsi = 32
   crcParams _ = CrcParams
@@ -1522,25 +1386,21 @@ instance KnownCrc Crc32_iscsi where
     }
 
 data Crc32_base91_c = Crc32_base91_c deriving Show
-type instance TryDomain t Crc32_base91_c = 'NotFound
 instance KnownCrc Crc32_base91_c where
   type CrcWidth Crc32_base91_c = CrcWidth Crc32_iscsi
   crcParams _ = crcParams Crc32_iscsi
 
 data Crc32_castagnoli = Crc32_castagnoli deriving Show
-type instance TryDomain t Crc32_castagnoli = 'NotFound
 instance KnownCrc Crc32_castagnoli where
   type CrcWidth Crc32_castagnoli = CrcWidth Crc32_iscsi
   crcParams _ = crcParams Crc32_iscsi
 
 data Crc32_interlaken = Crc32_interlaken deriving Show
-type instance TryDomain t Crc32_interlaken = 'NotFound
 instance KnownCrc Crc32_interlaken where
   type CrcWidth Crc32_interlaken = CrcWidth Crc32_iscsi
   crcParams _ = crcParams Crc32_iscsi
 
 data Crc32_iso_hdlc = Crc32_iso_hdlc deriving Show
-type instance TryDomain t Crc32_iso_hdlc = 'NotFound
 instance KnownCrc Crc32_iso_hdlc where
   type CrcWidth Crc32_iso_hdlc = 32
   crcParams _ = CrcParams
@@ -1553,37 +1413,31 @@ instance KnownCrc Crc32_iso_hdlc where
     }
 
 data Crc32_adccp = Crc32_adccp deriving Show
-type instance TryDomain t Crc32_adccp = 'NotFound
 instance KnownCrc Crc32_adccp where
   type CrcWidth Crc32_adccp = CrcWidth Crc32_iso_hdlc
   crcParams _ = crcParams Crc32_iso_hdlc
 
 data Crc32_v_42 = Crc32_v_42 deriving Show
-type instance TryDomain t Crc32_v_42 = 'NotFound
 instance KnownCrc Crc32_v_42 where
   type CrcWidth Crc32_v_42 = CrcWidth Crc32_iso_hdlc
   crcParams _ = crcParams Crc32_iso_hdlc
 
 data Crc32_xz = Crc32_xz deriving Show
-type instance TryDomain t Crc32_xz = 'NotFound
 instance KnownCrc Crc32_xz where
   type CrcWidth Crc32_xz = CrcWidth Crc32_iso_hdlc
   crcParams _ = crcParams Crc32_iso_hdlc
 
 data Crc32_pkzip = Crc32_pkzip deriving Show
-type instance TryDomain t Crc32_pkzip = 'NotFound
 instance KnownCrc Crc32_pkzip where
   type CrcWidth Crc32_pkzip = CrcWidth Crc32_iso_hdlc
   crcParams _ = crcParams Crc32_iso_hdlc
 
 data Crc32_ethernet = Crc32_ethernet deriving Show
-type instance TryDomain t Crc32_ethernet = 'NotFound
 instance KnownCrc Crc32_ethernet where
   type CrcWidth Crc32_ethernet = CrcWidth Crc32_iso_hdlc
   crcParams _ = crcParams Crc32_iso_hdlc
 
 data Crc32_jamcrc = Crc32_jamcrc deriving Show
-type instance TryDomain t Crc32_jamcrc = 'NotFound
 instance KnownCrc Crc32_jamcrc where
   type CrcWidth Crc32_jamcrc = 32
   crcParams _ = CrcParams
@@ -1596,7 +1450,6 @@ instance KnownCrc Crc32_jamcrc where
     }
 
 data Crc32_mef = Crc32_mef deriving Show
-type instance TryDomain t Crc32_mef = 'NotFound
 instance KnownCrc Crc32_mef where
   type CrcWidth Crc32_mef = 32
   crcParams _ = CrcParams
@@ -1609,7 +1462,6 @@ instance KnownCrc Crc32_mef where
     }
 
 data Crc32_mpeg_2 = Crc32_mpeg_2 deriving Show
-type instance TryDomain t Crc32_mpeg_2 = 'NotFound
 instance KnownCrc Crc32_mpeg_2 where
   type CrcWidth Crc32_mpeg_2 = 32
   crcParams _ = CrcParams
@@ -1622,7 +1474,6 @@ instance KnownCrc Crc32_mpeg_2 where
     }
 
 data Crc32_xfer = Crc32_xfer deriving Show
-type instance TryDomain t Crc32_xfer = 'NotFound
 instance KnownCrc Crc32_xfer where
   type CrcWidth Crc32_xfer = 32
   crcParams _ = CrcParams
@@ -1635,7 +1486,6 @@ instance KnownCrc Crc32_xfer where
     }
 
 data Crc40_gsm = Crc40_gsm deriving Show
-type instance TryDomain t Crc40_gsm = 'NotFound
 instance KnownCrc Crc40_gsm where
   type CrcWidth Crc40_gsm = 40
   crcParams _ = CrcParams
@@ -1648,7 +1498,6 @@ instance KnownCrc Crc40_gsm where
     }
 
 data Crc64_ecma_182 = Crc64_ecma_182 deriving Show
-type instance TryDomain t Crc64_ecma_182 = 'NotFound
 instance KnownCrc Crc64_ecma_182 where
   type CrcWidth Crc64_ecma_182 = 64
   crcParams _ = CrcParams
@@ -1661,7 +1510,6 @@ instance KnownCrc Crc64_ecma_182 where
     }
 
 data Crc64_go_iso = Crc64_go_iso deriving Show
-type instance TryDomain t Crc64_go_iso = 'NotFound
 instance KnownCrc Crc64_go_iso where
   type CrcWidth Crc64_go_iso = 64
   crcParams _ = CrcParams
@@ -1674,7 +1522,6 @@ instance KnownCrc Crc64_go_iso where
     }
 
 data Crc64_ms = Crc64_ms deriving Show
-type instance TryDomain t Crc64_ms = 'NotFound
 instance KnownCrc Crc64_ms where
   type CrcWidth Crc64_ms = 64
   crcParams _ = CrcParams
@@ -1687,7 +1534,6 @@ instance KnownCrc Crc64_ms where
     }
 
 data Crc64_redis = Crc64_redis deriving Show
-type instance TryDomain t Crc64_redis = 'NotFound
 instance KnownCrc Crc64_redis where
   type CrcWidth Crc64_redis = 64
   crcParams _ = CrcParams
@@ -1700,7 +1546,6 @@ instance KnownCrc Crc64_redis where
     }
 
 data Crc64_we = Crc64_we deriving Show
-type instance TryDomain t Crc64_we = 'NotFound
 instance KnownCrc Crc64_we where
   type CrcWidth Crc64_we = 64
   crcParams _ = CrcParams
@@ -1713,7 +1558,6 @@ instance KnownCrc Crc64_we where
     }
 
 data Crc64_xz = Crc64_xz deriving Show
-type instance TryDomain t Crc64_xz = 'NotFound
 instance KnownCrc Crc64_xz where
   type CrcWidth Crc64_xz = 64
   crcParams _ = CrcParams
@@ -1726,13 +1570,11 @@ instance KnownCrc Crc64_xz where
     }
 
 data Crc64_ecma = Crc64_ecma deriving Show
-type instance TryDomain t Crc64_ecma = 'NotFound
 instance KnownCrc Crc64_ecma where
   type CrcWidth Crc64_ecma = CrcWidth Crc64_xz
   crcParams _ = crcParams Crc64_xz
 
 data Crc82_darc = Crc82_darc deriving Show
-type instance TryDomain t Crc82_darc = 'NotFound
 instance KnownCrc Crc82_darc where
   type CrcWidth Crc82_darc = 82
   crcParams _ = CrcParams
diff --git a/src/Clash/Cores/Crc/Internal.hs b/src/Clash/Cores/Crc/Internal.hs
index 37b5907..de71c8f 100644
--- a/src/Clash/Cores/Crc/Internal.hs
+++ b/src/Clash/Cores/Crc/Internal.hs
@@ -23,7 +23,6 @@ rewritten directly from their sources.
 module Clash.Cores.Crc.Internal where
 
 import           Clash.Prelude
-import           Clash.Class.HasDomain       (TryDomain, TryDomainResult(NotFound))
 import qualified Clash.Sized.Vector as V     (toList)
 
 import qualified Data.List as L
@@ -67,9 +66,6 @@ data CrcParams (crcWidth :: Nat)
       }
   deriving (Generic, Show, ShowX, Lift)
 
--- | No domain in 'CrcParams'
-type instance TryDomain t (CrcParams crcWidth) = 'NotFound
-
 -- | This class is used to define CRCs
 --
 -- First make a data declaration without constructors for your CRC and then
@@ -107,9 +103,6 @@ data SoftwareCrc (crcWidth :: Nat) (dataWidth :: Nat)
       }
   deriving (Generic, Show, ShowX)
 
--- | No domain in 'SoftwareCrc'
-type instance TryDomain t (SoftwareCrc crcWidth dataWidth) = 'NotFound
-
 -- | Apply function only when bool is True
 applyWhen :: Bool -> (a -> a) -> a -> a
 applyWhen True f x = f x
@@ -324,9 +317,6 @@ data FGMatrices (crcWidth :: Nat) (dataWidth :: Nat)
       }
   deriving (Show, Lift)
 
--- | No domain in 'FGMatrices'
-type instance TryDomain t (FGMatrices crcWidth dataWidth) = 'NotFound
-
 -- | Compute the 'FGMatrices' from 'CrcParams'
 mkFGMatrices
   :: forall (crc :: Type) (dataWidth :: Nat)
@@ -387,9 +377,6 @@ deriving instance (KnownNat crcWidth, KnownNat dataWidth, KnownNat nLanes)
 deriving instance (KnownNat crcWidth, KnownNat dataWidth, KnownNat nLanes)
   => Show (CrcLaneParams crcWidth dataWidth nLanes)
 
--- | No domain in 'CrcLaneParams'
-type instance TryDomain t (CrcLaneParams crcWidth dataWidth nLanes) = 'NotFound
-
 -- | Contains all necessary parameters for the hardware CRC implementation
 data CrcHardwareParams (crcWidth :: Nat) (dataWidth :: Nat) (nLanes :: Nat)
   = CrcHardwareParams
@@ -401,9 +388,6 @@ data CrcHardwareParams (crcWidth :: Nat) (dataWidth :: Nat) (nLanes :: Nat)
       }
   deriving (Show, Lift)
 
--- | No domain in 'CrcHardwareParams'
-type instance TryDomain t (CrcHardwareParams crcWidth dataWidth nLanes) = 'NotFound
-
 -- | This class is used to indicate a CRC has a derived hardware implementation
 --
 -- @nLanes@ indicates the maximum number of @dataWidth@ words you want to
@@ -431,9 +415,6 @@ data SNatOrdering a b where
   SNatEQ2 :: forall a b. a ~ b => SNatOrdering a b
   SNatGT2 :: forall a b. (b + 1) <= a => SNatOrdering a b
 
--- | No domain in 'SNatOrdering'
-type instance TryDomain t (SNatOrdering a b) = 'NotFound
-
 -- | Get an ordering relation between two SNats
 compareSNat2 :: forall a b . SNat a -> SNat b -> SNatOrdering a b
 compareSNat2 a b
diff --git a/src/Clash/Cores/UART.hs b/src/Clash/Cores/UART.hs
index 2ddf1d8..8a4cd4f 100644
--- a/src/Clash/Cores/UART.hs
+++ b/src/Clash/Cores/UART.hs
@@ -32,7 +32,6 @@ module Clash.Cores.UART
   ) where
 
 import Clash.Prelude
-import Clash.Class.HasDomain (TryDomain, TryDomainResult(Found))
 import Data.Maybe (isJust)
 
 -- | Division that rounds the result
@@ -41,9 +40,6 @@ type DivRound (a :: Nat) (b :: Nat) = Div (a + (Div b 2)) b
 -- | UART baud generator
 newtype BaudGenerator (dom :: Domain) = BaudGenerator (Signal dom Bool)
 
--- | Find clock domain for BaudGenerator
-type instance TryDomain t (BaudGenerator dom) = 'Found dom
-
 -- | The width of the counter used for baud generation
 type BaudGenCounterWidth = 16