diff --git a/package.json b/package.json
index 4c8f30fde0..b5eb053077 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "rome": "^12.1.3",
     "simple-git-hooks": "^2.8.1",
     "typescript": "5.0.4",
-    "viem": "0.0.0-w-20230821171049",
+    "viem": "0.0.0-w-20230822145918",
     "vite": "^4.3.9",
     "vitest": "^0.34.1"
   },
@@ -60,7 +60,7 @@
     "overrides": {
       "@wagmi/connectors": "workspace:*",
       "@wagmi/core": "workspace:*",
-      "viem": "0.0.0-w-20230821171049"
+      "viem": "0.0.0-w-20230822145918"
     },
     "patchedDependencies": {
       "vitepress@1.0.0-rc.4": "patches/vitepress@1.0.0-rc.4.patch"
diff --git a/packages/core/src/actions/switchChain.ts b/packages/core/src/actions/switchChain.ts
index 2b45bccc6a..2b227aaac5 100644
--- a/packages/core/src/actions/switchChain.ts
+++ b/packages/core/src/actions/switchChain.ts
@@ -23,9 +23,10 @@ export type SwitchChainParameters<
 export type SwitchChainReturnType<
   config extends Config = Config,
   chainId extends config['chains'][number]['id'] = config['chains'][number]['id'],
-> = chainId extends config['chains'][number]['id']
-  ? Extract<config['chains'][number], { id: chainId }>
-  : config['chains'][number]
+> = Extract<
+  config['chains'][number],
+  { id: Config extends config ? number : chainId }
+>
 
 export type SwitchChainError =
   | ProviderNotFoundError
diff --git a/packages/core/src/query/switchChain.ts b/packages/core/src/query/switchChain.ts
index 1c1c48591c..39fbbe164e 100644
--- a/packages/core/src/query/switchChain.ts
+++ b/packages/core/src/query/switchChain.ts
@@ -27,26 +27,12 @@ export function switchChainMutationOptions<config extends Config>(
 export type SwitchChainData<
   config extends Config,
   chainId extends config['chains'][number]['id'],
-> = Evaluate<
-  SwitchChainReturnType<
-    config,
-    number extends config['chains'][number]['id']
-      ? config['chains'][number]['id']
-      : chainId
-  >
->
+> = Evaluate<SwitchChainReturnType<config, chainId>>
 
 export type SwitchChainVariables<
   config extends Config,
   chainId extends config['chains'][number]['id'],
-> = Evaluate<
-  SwitchChainParameters<
-    config,
-    chainId extends config['chains'][number]['id']
-      ? chainId
-      : config['chains'][number]['id']
-  >
->
+> = Evaluate<SwitchChainParameters<config, chainId>>
 
 export type SwitchChainMutate<config extends Config, context = unknown> = <
   chainId extends config['chains'][number]['id'],
diff --git a/packages/react/src/hooks/useAccount.ts b/packages/react/src/hooks/useAccount.ts
index 875c4b2326..086765b6ff 100644
--- a/packages/react/src/hooks/useAccount.ts
+++ b/packages/react/src/hooks/useAccount.ts
@@ -1,4 +1,3 @@
-import { useSyncExternalStoreWithTracked } from './useSyncExternalStoreWithTracked.js'
 import {
   type GetAccountReturnType,
   getAccount,
@@ -7,6 +6,7 @@ import {
 
 import type { ConfigParameter } from '../types/properties.js'
 import { useConfig } from './useConfig.js'
+import { useSyncExternalStoreWithTracked } from './useSyncExternalStoreWithTracked.js'
 
 export type UseAccountParameters = ConfigParameter
 
diff --git a/packages/react/src/hooks/useBalance.ts b/packages/react/src/hooks/useBalance.ts
index 8668fb5bf4..77340aa244 100644
--- a/packages/react/src/hooks/useBalance.ts
+++ b/packages/react/src/hooks/useBalance.ts
@@ -22,7 +22,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseBalanceParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetBalanceData,
 > = Evaluate<
   GetBalanceOptions<config> &
@@ -41,7 +41,10 @@ export type UseBalanceReturnType<selectData = GetBalanceData> = UseQueryResult<
 >
 
 /** https://wagmi.sh/react/hooks/useBalance */
-export function useBalance<config extends Config, selectData = GetBalanceData>(
+export function useBalance<
+  config extends Config = ResolvedRegister['config'],
+  selectData = GetBalanceData,
+>(
   parameters: UseBalanceParameters<config, selectData> = {},
 ): UseBalanceReturnType<selectData> {
   const { address, ...query } = parameters
diff --git a/packages/react/src/hooks/useBlockNumber.ts b/packages/react/src/hooks/useBlockNumber.ts
index 0352691106..55b9e7e98a 100644
--- a/packages/react/src/hooks/useBlockNumber.ts
+++ b/packages/react/src/hooks/useBlockNumber.ts
@@ -25,7 +25,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseBlockNumberParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetBlockNumberData,
 > = Evaluate<
   GetBlockNumberOptions<config> &
@@ -43,7 +43,7 @@ export type UseBlockNumberReturnType<selectData = GetBlockNumberData> =
 
 /** https://wagmi.sh/react/hooks/useBlockNumber */
 export function useBlockNumber<
-  config extends Config,
+  config extends Config = ResolvedRegister['config'],
   selectData = GetBlockNumberData,
 >(
   parameters: UseBlockNumberParameters<config, selectData> = {},
diff --git a/packages/react/src/hooks/useChainId.ts b/packages/react/src/hooks/useChainId.ts
index a6407ce3ec..0c3d17166b 100644
--- a/packages/react/src/hooks/useChainId.ts
+++ b/packages/react/src/hooks/useChainId.ts
@@ -10,16 +10,14 @@ import { useSyncExternalStore } from 'react'
 import type { ConfigParameter } from '../types/properties.js'
 import { useConfig } from './useConfig.js'
 
-export type UseChainIdParameters<
-  config extends Config = ResolvedRegister['config'],
-> = ConfigParameter<config>
+export type UseChainIdParameters<config extends Config = Config,> =
+  ConfigParameter<config>
 
-export type UseChainIdReturnType<
-  config extends Config = ResolvedRegister['config'],
-> = GetChainIdReturnType<config>
+export type UseChainIdReturnType<config extends Config = Config,> =
+  GetChainIdReturnType<config>
 
 /** https://wagmi.sh/react/hooks/useChainId */
-export function useChainId<config extends Config>(
+export function useChainId<config extends Config = ResolvedRegister['config']>(
   parameters: UseChainIdParameters<config> = {},
 ): UseChainIdReturnType<config> {
   const config = useConfig(parameters)
diff --git a/packages/react/src/hooks/useConfig.ts b/packages/react/src/hooks/useConfig.ts
index 6d99457f8a..645d7cd012 100644
--- a/packages/react/src/hooks/useConfig.ts
+++ b/packages/react/src/hooks/useConfig.ts
@@ -5,16 +5,13 @@ import { WagmiContext } from '../context.js'
 import { WagmiProviderNotFoundError } from '../errors/context.js'
 import type { ConfigParameter } from '../types/properties.js'
 
-export type UseConfigParameters<
-  config extends Config = ResolvedRegister['config'],
-> = ConfigParameter<config>
+export type UseConfigParameters<config extends Config = Config> =
+  ConfigParameter<config>
 
-export type UseConfigReturnType<
-  config extends Config = ResolvedRegister['config'],
-> = Config extends config ? ResolvedRegister['config'] : config
+export type UseConfigReturnType<config extends Config = Config> = config
 
 /** https://wagmi.sh/react/hooks/useConfig */
-export function useConfig<config extends Config>(
+export function useConfig<config extends Config = ResolvedRegister['config']>(
   parameters: UseConfigParameters<config> = {},
 ): UseConfigReturnType<config> {
   const config = parameters.config ?? useContext(WagmiContext)
diff --git a/packages/react/src/hooks/useConnect.ts b/packages/react/src/hooks/useConnect.ts
index 14c6ff52aa..892c91cb0a 100644
--- a/packages/react/src/hooks/useConnect.ts
+++ b/packages/react/src/hooks/useConnect.ts
@@ -18,7 +18,7 @@ import type { UseMutationOptions, UseMutationResult } from '../utils/query.js'
 import { useConfig } from './useConfig.js'
 
 export type UseConnectParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   context = unknown,
 > = Evaluate<
   UseMutationOptions<
@@ -31,7 +31,7 @@ export type UseConnectParameters<
 >
 
 export type UseConnectReturnType<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   context = unknown,
 > = Evaluate<
   UseMutationResult<
@@ -47,7 +47,10 @@ export type UseConnectReturnType<
 >
 
 /** https://wagmi.sh/react/hooks/useConnect */
-export function useConnect<config extends Config, context = unknown>(
+export function useConnect<
+  config extends Config = ResolvedRegister['config'],
+  context = unknown,
+>(
   parameters: UseConnectParameters<config, context> = {},
 ): UseConnectReturnType<config, context> {
   const config = useConfig(parameters)
diff --git a/packages/react/src/hooks/useConnectorClient.ts b/packages/react/src/hooks/useConnectorClient.ts
index db788b3831..5a09c7116d 100644
--- a/packages/react/src/hooks/useConnectorClient.ts
+++ b/packages/react/src/hooks/useConnectorClient.ts
@@ -24,11 +24,9 @@ import { useAccount } from './useAccount.js'
 import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
-type ChainId = ResolvedRegister['config']['chains'][number]['id']
-
 export type UseConnectorClientParameters<
-  config extends Config = ResolvedRegister['config'],
-  chainId extends config['chains'][number]['id'] = ChainId,
+  config extends Config = Config,
+  chainId extends config['chains'][number]['id'] = config['chains'][number]['id'],
   selectData = GetConnectorClientData<config, chainId>,
 > = Evaluate<
   GetConnectorClientOptions<config, chainId> &
@@ -42,15 +40,15 @@ export type UseConnectorClientParameters<
 >
 
 export type UseConnectorClientReturnType<
-  config extends Config = ResolvedRegister['config'],
-  chainId extends config['chains'][number]['id'] = ChainId,
+  config extends Config = Config,
+  chainId extends config['chains'][number]['id'] = config['chains'][number]['id'],
   selectData = GetConnectorClientData<config, chainId>,
 > = UseQueryResult<selectData, GetConnectorClientError>
 
 /** https://wagmi.sh/react/hooks/useConnectorClient */
 export function useConnectorClient<
-  config extends Config,
-  chainId extends config['chains'][number]['id'],
+  config extends Config = ResolvedRegister['config'],
+  chainId extends config['chains'][number]['id'] = config['chains'][number]['id'],
   selectData = GetConnectorClientData<config, chainId>,
 >(
   parameters: UseConnectorClientParameters<config, chainId, selectData> = {},
diff --git a/packages/react/src/hooks/useContractRead.ts b/packages/react/src/hooks/useContractRead.ts
index 61bfe124d5..04e46b3e9e 100644
--- a/packages/react/src/hooks/useContractRead.ts
+++ b/packages/react/src/hooks/useContractRead.ts
@@ -38,7 +38,7 @@ export type UseContractReadParameters<
     'pure' | 'view',
     functionName
   > = ContractFunctionArgs<abi, 'pure' | 'view', functionName>,
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = ReadContractData<abi, functionName, args>,
 > = UnionEvaluate<
   ReadContractOptions<config, abi, functionName, args> &
@@ -67,10 +67,10 @@ export type UseContractReadReturnType<
 
 /** https://wagmi.sh/react/hooks/useContractRead */
 export function useContractRead<
-  config extends Config,
   const abi extends Abi | readonly unknown[],
   functionName extends ContractFunctionName<abi, 'pure' | 'view'>,
   args extends ContractFunctionArgs<abi, 'pure' | 'view', functionName>,
+  config extends Config = ResolvedRegister['config'],
   selectData = ReadContractData<abi, functionName, args>,
 >(
   parameters: UseContractReadParameters<
diff --git a/packages/react/src/hooks/useContractReads.ts b/packages/react/src/hooks/useContractReads.ts
index f7b05f6416..8aba4b82af 100644
--- a/packages/react/src/hooks/useContractReads.ts
+++ b/packages/react/src/hooks/useContractReads.ts
@@ -27,7 +27,7 @@ import { useConfig } from './useConfig.js'
 export type UseContractReadsParameters<
   contracts extends readonly unknown[] = readonly ContractFunctionParameters[],
   allowFailure extends boolean = true,
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = ReadContractsData<contracts, allowFailure>,
 > = Evaluate<
   ReadContractsOptions<config, contracts, allowFailure> &
@@ -48,9 +48,9 @@ export type UseContractReadsReturnType<
 
 /** https://wagmi.sh/react/hooks/useContractReads */
 export function useContractReads<
-  config extends Config,
   const contracts extends readonly unknown[],
   allowFailure extends boolean = true,
+  config extends Config = ResolvedRegister['config'],
   selectData = ReadContractsData<contracts, allowFailure>,
 >(
   parameters: UseContractReadsParameters<
diff --git a/packages/react/src/hooks/useEnsAddress.ts b/packages/react/src/hooks/useEnsAddress.ts
index 618e7aad16..8c99936359 100644
--- a/packages/react/src/hooks/useEnsAddress.ts
+++ b/packages/react/src/hooks/useEnsAddress.ts
@@ -18,7 +18,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseEnsAddressParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetEnsAddressData,
 > = Evaluate<
   GetEnsAddressOptions<config> &
@@ -36,7 +36,7 @@ export type UseEnsAddressReturnType<selectData = GetEnsAddressData> =
 
 /** https://wagmi.sh/react/hooks/useEnsAddress */
 export function useEnsAddress<
-  config extends Config,
+  config extends Config = ResolvedRegister['config'],
   selectData = GetEnsAddressData,
 >(
   parameters: UseEnsAddressParameters<config, selectData> = {},
diff --git a/packages/react/src/hooks/useEnsAvatar.ts b/packages/react/src/hooks/useEnsAvatar.ts
index 270645499e..ff0c504544 100644
--- a/packages/react/src/hooks/useEnsAvatar.ts
+++ b/packages/react/src/hooks/useEnsAvatar.ts
@@ -18,7 +18,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseEnsAvatarParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetEnsAvatarData,
 > = Evaluate<
   GetEnsAvatarOptions<config> &
@@ -36,7 +36,7 @@ export type UseEnsAvatarReturnType<selectData = GetEnsAvatarData> =
 
 /** https://wagmi.sh/react/hooks/useEnsAvatar */
 export function useEnsAvatar<
-  config extends Config,
+  config extends Config = ResolvedRegister['config'],
   selectData = GetEnsAvatarData,
 >(
   parameters: UseEnsAvatarParameters<config, selectData> = {},
diff --git a/packages/react/src/hooks/useEnsName.ts b/packages/react/src/hooks/useEnsName.ts
index 6c2864cb22..88a025b7fd 100644
--- a/packages/react/src/hooks/useEnsName.ts
+++ b/packages/react/src/hooks/useEnsName.ts
@@ -18,7 +18,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseEnsNameParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetEnsNameData,
 > = Evaluate<
   GetEnsNameOptions<config> &
@@ -37,7 +37,10 @@ export type UseEnsNameReturnType<selectData = GetEnsNameData> = UseQueryResult<
 >
 
 /** https://wagmi.sh/react/hooks/useEnsName */
-export function useEnsName<config extends Config, selectData = GetEnsNameData>(
+export function useEnsName<
+  config extends Config = ResolvedRegister['config'],
+  selectData = GetEnsNameData,
+>(
   parameters: UseEnsNameParameters<config, selectData> = {},
 ): UseEnsNameReturnType<selectData> {
   const { address, ...query } = parameters
diff --git a/packages/react/src/hooks/useEnsResolver.ts b/packages/react/src/hooks/useEnsResolver.ts
index 4af320e837..8c24a646ed 100644
--- a/packages/react/src/hooks/useEnsResolver.ts
+++ b/packages/react/src/hooks/useEnsResolver.ts
@@ -18,7 +18,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseEnsResolverParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetEnsResolverData,
 > = Evaluate<
   GetEnsResolverOptions<config> &
@@ -36,7 +36,7 @@ export type UseEnsResolverReturnType<selectData = GetEnsResolverData> =
 
 /** https://wagmi.sh/react/hooks/useEnsResolver */
 export function useEnsResolver<
-  config extends Config,
+  config extends Config = ResolvedRegister['config'],
   selectData = GetEnsResolverData,
 >(
   parameters: UseEnsResolverParameters<config, selectData> = {},
diff --git a/packages/react/src/hooks/useFeeData.ts b/packages/react/src/hooks/useFeeData.ts
index a3fb611dc2..d9e91fa59f 100644
--- a/packages/react/src/hooks/useFeeData.ts
+++ b/packages/react/src/hooks/useFeeData.ts
@@ -22,7 +22,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseFeeDataParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetFeeDataData,
 > = Evaluate<
   GetFeeDataOptions<config> &
@@ -41,7 +41,10 @@ export type UseFeeDataReturnType<selectData = GetFeeDataData> = UseQueryResult<
 >
 
 /** https://wagmi.sh/react/hooks/useFeeData */
-export function useFeeData<config extends Config, selectData = GetFeeDataData>(
+export function useFeeData<
+  config extends Config = ResolvedRegister['config'],
+  selectData = GetFeeDataData,
+>(
   parameters: UseFeeDataParameters<config, selectData> = {},
 ): UseFeeDataReturnType<selectData> {
   const config = useConfig(parameters)
diff --git a/packages/react/src/hooks/useSwitchAccount.ts b/packages/react/src/hooks/useSwitchAccount.ts
index 63d46e0448..56d5167d2e 100644
--- a/packages/react/src/hooks/useSwitchAccount.ts
+++ b/packages/react/src/hooks/useSwitchAccount.ts
@@ -20,7 +20,7 @@ import { useConfig } from './useConfig.js'
 import { useConnections } from './useConnections.js'
 
 export type UseSwitchAccountParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   context = unknown,
 > = Evaluate<
   UseMutationOptions<
@@ -33,7 +33,7 @@ export type UseSwitchAccountParameters<
 >
 
 export type UseSwitchAccountReturnType<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   context = unknown,
 > = Evaluate<
   UseMutationResult<
@@ -49,7 +49,10 @@ export type UseSwitchAccountReturnType<
 >
 
 /** https://wagmi.sh/react/hooks/useSwitchAccount */
-export function useSwitchAccount<config extends Config, context = unknown>(
+export function useSwitchAccount<
+  config extends Config = ResolvedRegister['config'],
+  context = unknown,
+>(
   parameters: UseSwitchAccountParameters<config, context> = {},
 ): UseSwitchAccountReturnType<config, context> {
   const config = useConfig(parameters)
diff --git a/packages/react/src/hooks/useSwitchChain.ts b/packages/react/src/hooks/useSwitchChain.ts
index aa0750a897..af997b74de 100644
--- a/packages/react/src/hooks/useSwitchChain.ts
+++ b/packages/react/src/hooks/useSwitchChain.ts
@@ -14,7 +14,7 @@ import type { UseMutationOptions, UseMutationResult } from '../utils/query.js'
 import { useConfig } from './useConfig.js'
 
 export type UseSwitchChainParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   context = unknown,
 > = Evaluate<
   UseMutationOptions<
@@ -27,7 +27,7 @@ export type UseSwitchChainParameters<
 >
 
 export type UseSwitchChainReturnType<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   context = unknown,
 > = Evaluate<
   UseMutationResult<
@@ -43,7 +43,10 @@ export type UseSwitchChainReturnType<
 >
 
 /** https://wagmi.sh/react/hooks/useSwitchChain */
-export function useSwitchChain<config extends Config, context = unknown>(
+export function useSwitchChain<
+  config extends Config = ResolvedRegister['config'],
+  context = unknown,
+>(
   parameters: UseSwitchChainParameters<config, context> = {},
 ): UseSwitchChainReturnType<config, context> {
   const config = useConfig(parameters)
diff --git a/packages/react/src/hooks/useToken.ts b/packages/react/src/hooks/useToken.ts
index 55eec14db8..d0f0bc6373 100644
--- a/packages/react/src/hooks/useToken.ts
+++ b/packages/react/src/hooks/useToken.ts
@@ -18,7 +18,7 @@ import { useChainId } from './useChainId.js'
 import { useConfig } from './useConfig.js'
 
 export type UseTokenParameters<
-  config extends Config = ResolvedRegister['config'],
+  config extends Config = Config,
   selectData = GetTokenData,
 > = Evaluate<
   GetTokenOptions<config> &
@@ -37,7 +37,10 @@ export type UseTokenReturnType<selectData = GetTokenData> = UseQueryResult<
 >
 
 /** https://wagmi.sh/react/hooks/useToken */
-export function useToken<config extends Config, selectData = GetTokenData>(
+export function useToken<
+  config extends Config = ResolvedRegister['config'],
+  selectData = GetTokenData,
+>(
   parameters: UseTokenParameters<config, selectData> = {},
 ): UseTokenReturnType<selectData> {
   const { address, ...query } = parameters
diff --git a/packages/register-tests/react/src/useChainId.test-d.ts b/packages/register-tests/react/src/useChainId.test-d.ts
new file mode 100644
index 0000000000..4dbf698a96
--- /dev/null
+++ b/packages/register-tests/react/src/useChainId.test-d.ts
@@ -0,0 +1,13 @@
+import { config } from '@wagmi/test'
+import { expectTypeOf, test } from 'vitest'
+import { useChainId } from 'wagmi'
+
+test('default', async () => {
+  const chainId = useChainId()
+  expectTypeOf(chainId).toEqualTypeOf<1 | 42220 | 10>()
+})
+
+test('parameters: config', async () => {
+  const chainId = useChainId({ config })
+  expectTypeOf(chainId).toEqualTypeOf<1 | 456 | 10>()
+})
diff --git a/packages/register-tests/react/src/useContractRead.test-d.ts b/packages/register-tests/react/src/useContractRead.test-d.ts
index 2d6c0a9f13..ab1fc9afcb 100644
--- a/packages/register-tests/react/src/useContractRead.test-d.ts
+++ b/packages/register-tests/react/src/useContractRead.test-d.ts
@@ -1,12 +1,14 @@
 import { abi } from '@wagmi/test'
 import type { Address } from 'viem'
 import { expectTypeOf, test } from 'vitest'
-import { type UseContractReadParameters } from 'wagmi'
+import { useContractRead } from 'wagmi'
 
 import type { ChainId } from './config.js'
 
 test('UseContractReadParameters', () => {
-  type Result = UseContractReadParameters<typeof abi.erc20, 'balanceOf'>
+  type Result = NonNullable<
+    Parameters<typeof useContractRead<typeof abi.erc20, 'balanceOf', ['0x']>>[0]
+  >
   expectTypeOf<Result>().toMatchTypeOf<{
     functionName?:
       | 'symbol'
diff --git a/packages/register-tests/react/src/useContractReads.test-d.ts b/packages/register-tests/react/src/useContractReads.test-d.ts
index ad562ae9db..87901cc392 100644
--- a/packages/register-tests/react/src/useContractReads.test-d.ts
+++ b/packages/register-tests/react/src/useContractReads.test-d.ts
@@ -1,20 +1,24 @@
 import { abi } from '@wagmi/test'
 import type { Address } from 'viem'
 import { expectTypeOf, test } from 'vitest'
-import { type UseContractReadsParameters } from 'wagmi'
+import { useContractReads } from 'wagmi'
 
 import type { ChainId } from './config.js'
 
 test('UseContractReadsParameters', () => {
-  type Result = UseContractReadsParameters<
-    [
-      {
-        abi: typeof abi.erc20
-        functionName: 'balanceOf'
-        address: Address
-        args: readonly [Address]
-      },
-    ]
+  type Result = NonNullable<
+    Parameters<
+      typeof useContractReads<
+        [
+          {
+            abi: typeof abi.erc20
+            functionName: 'balanceOf'
+            address: Address
+            args: readonly [Address]
+          },
+        ]
+      >
+    >[0]
   >['contracts']
   expectTypeOf<Result>().toMatchTypeOf<
     | readonly [
diff --git a/packages/register-tests/react/src/useSwitchChain.test-d.ts b/packages/register-tests/react/src/useSwitchChain.test-d.ts
new file mode 100644
index 0000000000..d9821bd347
--- /dev/null
+++ b/packages/register-tests/react/src/useSwitchChain.test-d.ts
@@ -0,0 +1,21 @@
+import { expectTypeOf, test } from 'vitest'
+import { useSwitchChain } from 'wagmi'
+import { mainnet } from 'wagmi/chains'
+
+import type { ChainId } from './config.js'
+
+test('default', async () => {
+  const { switchChain } = useSwitchChain()
+
+  switchChain(
+    { chainId: 1 },
+    {
+      onSuccess(data) {
+        expectTypeOf(data).toEqualTypeOf(mainnet)
+      },
+    },
+  )
+
+  type Result = Parameters<typeof switchChain>[0]
+  expectTypeOf<Result['chainId']>().toEqualTypeOf<ChainId>()
+})
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 096eccbeb4..38a95092b5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -7,7 +7,7 @@ settings:
 overrides:
   '@wagmi/connectors': workspace:*
   '@wagmi/core': workspace:*
-  viem: 0.0.0-w-20230821171049
+  viem: 0.0.0-w-20230822145918
 
 patchedDependencies:
   vitepress@1.0.0-rc.4:
@@ -76,8 +76,8 @@ importers:
         specifier: 5.0.4
         version: 5.0.4
       viem:
-        specifier: 0.0.0-w-20230821171049
-        version: 0.0.0-w-20230821171049(typescript@5.0.4)
+        specifier: 0.0.0-w-20230822145918
+        version: 0.0.0-w-20230822145918(typescript@5.0.4)
       vite:
         specifier: ^4.3.9
         version: 4.3.9(@types/node@18.16.9)
@@ -118,8 +118,8 @@ importers:
         specifier: ^0.53.0
         version: 0.53.0(vite@4.3.9)
       viem:
-        specifier: 0.0.0-w-20230821171049
-        version: 0.0.0-w-20230821171049(typescript@5.0.4)
+        specifier: 0.0.0-w-20230822145918
+        version: 0.0.0-w-20230822145918(typescript@5.0.4)
       vitepress:
         specifier: 1.0.0-rc.4
         version: 1.0.0-rc.4(patch_hash=vad7hzjchjqjjrqqk6z7shlpke)(@types/node@18.16.9)(@types/react@18.2.0)(react@18.2.0)
@@ -217,8 +217,8 @@ importers:
         specifier: ^18.2.0
         version: 18.2.0
       viem:
-        specifier: 0.0.0-w-20230821171049
-        version: 0.0.0-w-20230821171049(typescript@5.0.4)
+        specifier: 0.0.0-w-20230822145918
+        version: 0.0.0-w-20230822145918(typescript@5.0.4)
       wagmi:
         specifier: workspace:*
         version: link:../../react
@@ -269,8 +269,8 @@ importers:
         specifier: ^18.2.0
         version: 18.2.0(react@18.2.0)
       viem:
-        specifier: 0.0.0-w-20230821171049
-        version: 0.0.0-w-20230821171049(typescript@5.0.4)
+        specifier: 0.0.0-w-20230822145918
+        version: 0.0.0-w-20230822145918(typescript@5.0.4)
     devDependencies:
       '@esbuild-plugins/node-globals-polyfill':
         specifier: ^0.2.3
@@ -306,8 +306,8 @@ importers:
         specifier: ^18.2.0
         version: 18.2.0(react@18.2.0)
       viem:
-        specifier: 0.0.0-w-20230821171049
-        version: 0.0.0-w-20230821171049(typescript@5.0.4)
+        specifier: 0.0.0-w-20230822145918
+        version: 0.0.0-w-20230822145918(typescript@5.0.4)
       wagmi:
         specifier: workspace:*
         version: link:../../packages/react
@@ -1833,7 +1833,7 @@ packages:
     resolution: {integrity: sha512-XJbEPuaVc7b9n23MqlF6c+ToYIS3f7P2Sel8f3cSBQ9WORE4xrSuvhMpK9fDSFqJ7by/brc+rmJR/5HViRr0/w==}
     dependencies:
       '@safe-global/safe-gateway-typescript-sdk': 3.8.0
-      viem: 0.0.0-w-20230821171049(typescript@5.0.4)
+      viem: 0.0.0-w-20230822145918(typescript@5.0.4)
     transitivePeerDependencies:
       - bufferutil
       - encoding
@@ -7331,8 +7331,8 @@ packages:
       use-sync-external-store: 1.2.0(react@18.2.0)
     dev: false
 
-  /viem@0.0.0-w-20230821171049(typescript@5.0.4):
-    resolution: {integrity: sha512-C8JfYEVvZS+uZTrPM/qgkPh59UkERKelmqXxRW0T8CYUNyKZ4F9TCZk0LDbpktG7kJBJB0vuSY8uC9e1mBldMA==}
+  /viem@0.0.0-w-20230822145918(typescript@5.0.4):
+    resolution: {integrity: sha512-g9JR2y1+WxRHsKF8iGT5pGDyrrMAT5SDXbgJKSOoPe9zOOS99w+H28p2clo4byNbCcIU+QKTHjPYXeel8bJopA==}
     peerDependencies:
       typescript: '>=5.0.4'
     peerDependenciesMeta: