diff --git a/packages/keyring-eth-money/CHANGELOG.md b/packages/keyring-eth-money/CHANGELOG.md
index e25bd951..895129f5 100644
--- a/packages/keyring-eth-money/CHANGELOG.md
+++ b/packages/keyring-eth-money/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- **BREAKING:** Remove `signTransaction` pass-through; Money accounts do not sign transactions ([#521](https://github.com/MetaMask/accounts/pull/521))
+  - Unexport `EvmSigner` type and rename to `MoneySigner`; the type was incorrectly exported and didn't represent a full EVM signer.
 - Bump `@metamask/keyring-utils` from `^3.2.0` to `^3.3.1` ([#544](https://github.com/MetaMask/accounts/pull/544), [#546](https://github.com/MetaMask/accounts/pull/546))
 
 ## [2.0.4]
diff --git a/packages/keyring-eth-money/src/money-keyring.test.ts b/packages/keyring-eth-money/src/money-keyring.test.ts
index 170bc632..e55e4392 100644
--- a/packages/keyring-eth-money/src/money-keyring.test.ts
+++ b/packages/keyring-eth-money/src/money-keyring.test.ts
@@ -397,23 +397,6 @@ describe('MoneyKeyring', () => {
       expect(signature).toMatch(/^0x[0-9a-f]+$/u);
     });
 
-    it('signTransaction delegates to the inner keyring', async () => {
-      const { HdKeyring } = await import('@metamask/eth-hd-keyring');
-      const mockSignature = '0xsignature';
-      const spy = jest
-        .spyOn(HdKeyring.prototype, 'signTransaction')
-        .mockResolvedValue(mockSignature as never);
-
-      const keyring = createKeyring();
-      await keyring.deserialize(mockState);
-
-      const mockTx = {} as never;
-      const result = await keyring.signTransaction(mockAccount, mockTx);
-
-      expect(spy).toHaveBeenCalledWith(mockAccount, mockTx);
-      expect(result).toBe(mockSignature);
-    });
-
     it('signTypedData delegates to the inner keyring', async () => {
       const { HdKeyring } = await import('@metamask/eth-hd-keyring');
       const mockSignature = '0xsignature';
diff --git a/packages/keyring-eth-money/src/money-keyring.ts b/packages/keyring-eth-money/src/money-keyring.ts
index cf65c40e..8ff94d3d 100644
--- a/packages/keyring-eth-money/src/money-keyring.ts
+++ b/packages/keyring-eth-money/src/money-keyring.ts
@@ -31,10 +31,9 @@ export const MONEY_KEYRING_TYPE = 'Money Keyring';
 export type GetMnemonicCallback = (entropySource: string) => Promise<number[]>;
 
 /**
- * EVM signer interface, a subset of {@link HdKeyring} methods.
+ * Signing interface for Money accounts, a subset of {@link HdKeyring} methods.
  */
-export type EvmSigner = {
-  signTransaction: HdKeyring['signTransaction'];
+type MoneySigner = {
   signPersonalMessage: HdKeyring['signPersonalMessage'];
   signTypedData: HdKeyring['signTypedData'];
   signEip7702Authorization: HdKeyring['signEip7702Authorization'];
@@ -178,7 +177,7 @@ export class MoneyKeyring implements Keyring {
    *
    * @returns The EVM signer instance.
    */
-  async #getSigner(): Promise<EvmSigner> {
+  async #getSigner(): Promise<MoneySigner> {
     if (this.#inner) {
       return this.#inner;
     }
@@ -222,12 +221,6 @@ export class MoneyKeyring implements Keyring {
     return this.#account ? [this.#account] : [];
   }
 
-  async signTransaction(
-    ...args: Parameters<HdKeyring['signTransaction']>
-  ): ReturnType<HdKeyring['signTransaction']> {
-    return (await this.#getSigner()).signTransaction(...args);
-  }
-
   async signPersonalMessage(
     ...args: Parameters<HdKeyring['signPersonalMessage']>
   ): ReturnType<HdKeyring['signPersonalMessage']> {