diff --git a/src/common/ArIO.ts b/src/common/ArIO.ts
index ffa888a6..e15bedf4 100644
--- a/src/common/ArIO.ts
+++ b/src/common/ArIO.ts
@@ -14,7 +14,6 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-import { ArweaveTransactionID } from '../types.js';
 import { ContractStateProvider } from '../types.js';
 import { DefaultLogger } from './logger.js';
 
@@ -46,7 +45,7 @@ export class ArIO implements ContractStateProvider {
   async getContractState<ContractState>({
     contractTxId,
   }: {
-    contractTxId: ArweaveTransactionID;
+    contractTxId: string;
   }): Promise<ContractState> {
     return this.contractStateProvider.getContractState({ contractTxId });
   }
diff --git a/src/common/ContractStateProviders/ArNSRemoteCache.ts b/src/common/ContractStateProviders/ArNSRemoteCache.ts
index f256fd04..b9997c71 100644
--- a/src/common/ContractStateProviders/ArNSRemoteCache.ts
+++ b/src/common/ContractStateProviders/ArNSRemoteCache.ts
@@ -14,11 +14,7 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-import {
-  ArweaveTransactionID,
-  ContractStateProvider,
-  HTTPClient,
-} from '../../types.js';
+import { ContractStateProvider, HTTPClient } from '../../types.js';
 import { AxiosHTTPService } from '../http.js';
 import { DefaultLogger } from '../logger.js';
 
@@ -46,7 +42,7 @@ export class ArNSRemoteCache implements ContractStateProvider {
   async getContractState<ContractState>({
     contractTxId,
   }: {
-    contractTxId: ArweaveTransactionID;
+    contractTxId: string;
   }): Promise<ContractState> {
     this.logger.debug(`Fetching contract state`);
 
diff --git a/src/types.ts b/src/types.ts
index 0b7cad41..ef09a2e8 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -17,17 +17,11 @@
 import { Readable } from 'stream';
 import { ReadableStream } from 'stream/web';
 
-import { ARWEAVE_TX_REGEX } from './constants.js';
-
 export interface ContractStateProvider {
   /**
    * The ContractStateProvider interface is used to define a contract state provider.
    */
-  getContractState<T>({
-    contractTxId,
-  }: {
-    contractTxId: ArweaveTransactionID;
-  }): Promise<T>;
+  getContractState<T>({ contractTxId }: { contractTxId: string }): Promise<T>;
 }
 /* eslint-disable @typescript-eslint/no-explicit-any */
 export interface Logger {
@@ -66,33 +60,3 @@ export interface HTTPClient {
     data: Readable | ReadableStream | Buffer;
   }): Promise<T>;
 }
-
-export interface Equatable<T> {
-  equals(other: T): boolean;
-}
-
-export class ArweaveTransactionID implements Equatable<ArweaveTransactionID> {
-  constructor(private readonly transactionId?: string) {
-    if (transactionId === undefined || !ARWEAVE_TX_REGEX.test(transactionId)) {
-      throw new Error(
-        'Transaction ID should be a 43-character, alphanumeric string potentially including "-" and "_" characters.',
-      );
-    }
-  }
-
-  [Symbol.toPrimitive](hint?: string): string {
-    if (hint === 'number') {
-      throw new Error('Transaction IDs cannot be interpreted as a number!');
-    }
-
-    return this.toString();
-  }
-
-  toString(): string {
-    return this.transactionId ?? '';
-  }
-
-  equals(entityId: ArweaveTransactionID): boolean {
-    return this.transactionId === entityId.transactionId;
-  }
-}
diff --git a/tests/ArNSRemoteCache.test.ts b/tests/ArNSRemoteCache.test.ts
index 50bc73b0..acf77cca 100644
--- a/tests/ArNSRemoteCache.test.ts
+++ b/tests/ArNSRemoteCache.test.ts
@@ -1,6 +1,5 @@
 import { ArIO } from '../src/common/ArIO.js';
 import { ArNSRemoteCache } from '../src/common/ContractStateProviders/ArNSRemoteCache.js';
-import { ArweaveTransactionID } from '../src/types.js';
 
 describe('ArIO Client', () => {
   const remoteCacheProvider = new ArNSRemoteCache({});
@@ -16,7 +15,7 @@ describe('ArIO Client', () => {
 
     const stubGetContractState = jest.fn();
     remoteProvider.getContractState = stubGetContractState;
-    const contractTxId = new ArweaveTransactionID(''.padEnd(43, 'a'));
+    const contractTxId = ''.padEnd(43, 'a');
     await client.getContractState({ contractTxId });
     expect(stubGetContractState).toHaveBeenCalledWith({ contractTxId });
   });
@@ -24,7 +23,7 @@ describe('ArIO Client', () => {
   it('should throw on bad contract id', async () => {
     let result;
     try {
-      const contractTxId = new ArweaveTransactionID(''.padEnd(42, 'a'));
+      const contractTxId = ''.padEnd(42, 'a');
       result = await arioClient
         .getContractState({ contractTxId })
         .catch((e) => e);