diff --git a/packages/transaction-request-intent/src/lib/__test__/unit/decoders.spec.ts b/packages/transaction-request-intent/src/lib/__test__/unit/decoders.spec.ts
index e48b08e46..d2c5e48b8 100644
--- a/packages/transaction-request-intent/src/lib/__test__/unit/decoders.spec.ts
+++ b/packages/transaction-request-intent/src/lib/__test__/unit/decoders.spec.ts
@@ -5,7 +5,6 @@ import {
   ContractRegistry,
   InputType,
   Intents,
-  MessageInput,
   PERMIT2_ADDRESS,
   TransactionStatus,
   WalletType
@@ -269,20 +268,6 @@ describe('decode', () => {
     })
   })
   describe('message and typed data input', () => {
-    it('decodes message', () => {
-      const message = 'Hello, world!'
-      const prefixedMessage = `\x19Ethereum Signed Message:\n${message.length}${message}`
-      const input: MessageInput = {
-        type: InputType.MESSAGE,
-        payload: prefixedMessage
-      }
-
-      const decoded = decode({ input })
-      expect(decoded).toEqual({
-        type: Intents.SIGN_MESSAGE,
-        message
-      })
-    })
     it('decodes typed data', () => {
       const decoded = decode({
         input: {
diff --git a/packages/transaction-request-intent/src/lib/decoders/decode.ts b/packages/transaction-request-intent/src/lib/decoders/decode.ts
index aa75b9163..b2f37e952 100644
--- a/packages/transaction-request-intent/src/lib/decoders/decode.ts
+++ b/packages/transaction-request-intent/src/lib/decoders/decode.ts
@@ -18,7 +18,6 @@ import { Intent, TypedDataIntent } from '../intent.types'
 import { MethodsMapping, SUPPORTED_METHODS } from '../supported-methods'
 import { isSupportedMethodId } from '../typeguards'
 import {
-  decodeMessage,
   decodePermit,
   decodePermit2,
   decodeTypedData,
@@ -143,8 +142,6 @@ const decode = ({ input, config = defaultConfig }: { input: DecodeInput; config?
     }
     case InputType.TYPED_DATA:
       return decodeTypedDataInput(input)
-    case InputType.MESSAGE:
-      return decodeMessage(input)
     case InputType.RAW:
       return {
         type: Intents.SIGN_RAW,
diff --git a/packages/transaction-request-intent/src/lib/domain.ts b/packages/transaction-request-intent/src/lib/domain.ts
index beaa5b9f7..4afdac9f9 100644
--- a/packages/transaction-request-intent/src/lib/domain.ts
+++ b/packages/transaction-request-intent/src/lib/domain.ts
@@ -15,11 +15,6 @@ export type Raw = {
   algorithm: Alg
 }
 
-export type MessageInput = {
-  type: InputType.MESSAGE
-  payload: string
-}
-
 export type RawInput = {
   type: InputType.RAW
   raw: Raw
@@ -83,7 +78,7 @@ export type Config = {
   transactionRegistry?: TransactionRegistry
   supportedMethods?: MethodsMapping
 }
-export type DecodeInput = TransactionInput | MessageInput | RawInput | TypedDataInput
+export type DecodeInput = TransactionInput | RawInput | TypedDataInput
 
 type DecodeSuccess = {
   success: true
@@ -103,7 +98,6 @@ export type SafeDecodeOutput = DecodeSuccess | DecodeError
 
 export enum InputType {
   TRANSACTION_REQUEST = 'transactionRequest',
-  MESSAGE = 'message',
   TYPED_DATA = 'typedData',
   RAW = 'raw'
 }
diff --git a/packages/transaction-request-intent/src/lib/utils.ts b/packages/transaction-request-intent/src/lib/utils.ts
index dd8a804e5..72a177408 100644
--- a/packages/transaction-request-intent/src/lib/utils.ts
+++ b/packages/transaction-request-intent/src/lib/utils.ts
@@ -24,7 +24,6 @@ import {
   ContractRegistry,
   ContractRegistryInput,
   Intents,
-  MessageInput,
   Misc,
   NULL_METHOD_ID,
   NativeTransferInput,
@@ -184,16 +183,6 @@ export const decodeTypedData = (typedData: Eip712TypedData): SignTypedData => ({
   })
 })
 
-export const decodeMessage = (message: MessageInput): SignMessage => {
-  if (!message.payload.startsWith(presignMessagePrefix)) {
-    throw new DecoderError({ message: 'Invalid message prefix', status: 400 })
-  }
-  return {
-    type: Intents.SIGN_MESSAGE,
-    message: message.payload.slice(presignMessagePrefix.length + 2)
-  }
-}
-
 export const decodePermit = (typedData: Eip712TypedData): Permit | null => {
   const { chainId, verifyingContract } = typedData.domain
   if (!isPermit(typedData.message) || !chainId || !verifyingContract) {