diff --git a/src/contract/HandlerBasedContract.ts b/src/contract/HandlerBasedContract.ts
index cd23dc70..285c66b4 100644
--- a/src/contract/HandlerBasedContract.ts
+++ b/src/contract/HandlerBasedContract.ts
@@ -390,12 +390,7 @@ export class HandlerBasedContract<State> implements Contract<State> {
       tags.push(new Tag(WARP_TAGS.REQUEST_VRF, 'true'));
     }
 
-    const interactionTags = createInteractionTagsList(
-      this._contractTxId,
-      input,
-      this.warp.environment === 'testnet',
-      tags
-    );
+    const interactionTags = createInteractionTagsList(this._contractTxId, input, tags);
 
     if (tagsExceedLimit(interactionTags)) {
       throw new Error(`Interaction tags exceed limit of 4096 bytes.`);
@@ -452,7 +447,6 @@ export class HandlerBasedContract<State> implements Contract<State> {
       transfer.target,
       transfer.winstonQty,
       bundle,
-      this.warp.environment === 'testnet',
       reward
     );
 
@@ -767,8 +761,7 @@ export class HandlerBasedContract<State> implements Contract<State> {
       tags,
       transfer.target,
       transfer.winstonQty,
-      true,
-      this.warp.environment === 'testnet'
+      true
     );
     const dummyTx = createDummyTx(tx, executionContext.caller, currentBlockData);
 
diff --git a/src/core/ContractDefinition.ts b/src/core/ContractDefinition.ts
index f26e207d..bb31aa49 100644
--- a/src/core/ContractDefinition.ts
+++ b/src/core/ContractDefinition.ts
@@ -42,7 +42,6 @@ export class ContractCache<State> {
   manifest?: EvaluationManifest;
   contractTx: any; // eslint-disable-line @typescript-eslint/no-explicit-any
   srcTx: any; // eslint-disable-line @typescript-eslint/no-explicit-any
-  testnet: string | null;
 
   constructor(value: ContractDefinition<State>) {
     this.txId = value.txId;
@@ -55,7 +54,6 @@ export class ContractCache<State> {
     this.metadata = value.metadata;
     this.contractTx = value.contractTx;
     this.srcTx = value.srcTx;
-    this.testnet = value.testnet;
   }
 }
 
diff --git a/src/core/KnownTags.ts b/src/core/KnownTags.ts
index f60b1363..fde4bfd3 100644
--- a/src/core/KnownTags.ts
+++ b/src/core/KnownTags.ts
@@ -38,7 +38,6 @@ export const WARP_TAGS = {
   REQUEST_VRF: 'Request-Vrf',
   SIGNATURE_TYPE: 'Signature-Type',
   UPLOADER_TX_ID: 'Uploader-Tx-Id',
-  WARP_TESTNET: 'Warp-Testnet',
   MANIFEST: 'Contract-Manifest',
   NONCE: 'Nonce'
 } as const;
diff --git a/src/core/Warp.ts b/src/core/Warp.ts
index 6db91439..441568bd 100644
--- a/src/core/Warp.ts
+++ b/src/core/Warp.ts
@@ -35,7 +35,7 @@ import { SourceData } from '../contract/deploy/Source';
 import { Signer, DataItem } from 'warp-arbundles';
 import { BasicSortKeyCache } from '../cache/BasicSortKeyCache';
 
-export type WarpEnvironment = 'local' | 'testnet' | 'seqtestnet' | 'mainnet' | 'custom';
+export type WarpEnvironment = 'local' | 'testnet' | 'mainnet' | 'custom';
 export type KVStorageFactory = (contractTxId: string) => SortKeyCache<unknown>;
 
 /**
diff --git a/src/core/WarpFactory.ts b/src/core/WarpFactory.ts
index 1008920f..3687d823 100644
--- a/src/core/WarpFactory.ts
+++ b/src/core/WarpFactory.ts
@@ -68,8 +68,8 @@ export class WarpFactory {
   }
 
   /**
-   * creates a Warp instance suitable for testing
-   * with Warp testnet (https://testnet.redstone.tools/)
+   * creates a Warp instance suitable for testing with Warp testnet and the decentralized Warp Sequencer
+   * (https://github.com/warp-contracts/sequencer)
    */
   static forTestnet(
     cacheOptions = defaultCacheOptions,
@@ -83,27 +83,7 @@ export class WarpFactory {
     if (useArweaveGw) {
       return this.customArweaveGw(arweave, cacheOptions, 'testnet');
     } else {
-      return this.customWarpGw(arweave, defaultWarpGwOptions, cacheOptions, 'testnet');
-    }
-  }
-
-  /**
-   * creates a Warp instance suitable for testing the decentralized Warp Sequencer
-   * (https://github.com/warp-contracts/sequencer)
-   */
-  static forSeqTestnet(
-    cacheOptions = defaultCacheOptions,
-    useArweaveGw = false,
-    arweave = Arweave.init({
-      host: 'arweave.net',
-      port: 443,
-      protocol: 'https'
-    })
-  ): Warp {
-    if (useArweaveGw) {
-      return this.customArweaveGw(arweave, cacheOptions, 'seqtestnet');
-    } else {
-      return this.customWarpGw(arweave, defaultWarpGwOptions, cacheOptions, 'seqtestnet').useGwUrl(WARP_GW_TESTNET_URL);
+      return this.customWarpGw(arweave, defaultWarpGwOptions, cacheOptions, 'testnet').useGwUrl(WARP_GW_TESTNET_URL);
     }
   }
 
diff --git a/src/core/modules/impl/ArweaveGatewayBundledContractDefinitionLoader.ts b/src/core/modules/impl/ArweaveGatewayBundledContractDefinitionLoader.ts
index ee88d412..de9200c1 100644
--- a/src/core/modules/impl/ArweaveGatewayBundledContractDefinitionLoader.ts
+++ b/src/core/modules/impl/ArweaveGatewayBundledContractDefinitionLoader.ts
@@ -40,14 +40,6 @@ export class ArweaveGatewayBundledContractDefinitionLoader implements Definition
     const contractSrcTxId = evolvedSrcTxId
       ? evolvedSrcTxId
       : getTagValue(contractTx.tags, SMART_WEAVE_TAGS.CONTRACT_SRC_TX_ID);
-    const testnet = getTagValue(contractTx.tags, WARP_TAGS.WARP_TESTNET) || null;
-
-    if (testnet && this.env !== 'testnet') {
-      throw new Error('Trying to use testnet contract in a non-testnet env. Use the "forTestnet" factory method.');
-    }
-    if (!testnet && this.env === 'testnet') {
-      throw new Error('Trying to use non-testnet contract in a testnet env.');
-    }
 
     const minFee = getTagValue(contractTx.tags, SMART_WEAVE_TAGS.MIN_FEE);
     const manifest = getTagValue(contractTx.tags, WARP_TAGS.MANIFEST)
@@ -77,8 +69,7 @@ export class ArweaveGatewayBundledContractDefinitionLoader implements Definition
       metadata,
       manifest,
       contractTx: await this.convertToWarpCompatibleContractTx(contractTx),
-      srcTx: await this.convertToWarpCompatibleContractTx(srcTx),
-      testnet
+      srcTx: await this.convertToWarpCompatibleContractTx(srcTx)
     };
 
     this.logger.info(`Contract definition loaded in: ${benchmark.elapsed()}`);
diff --git a/src/core/modules/impl/ContractDefinitionLoader.ts b/src/core/modules/impl/ContractDefinitionLoader.ts
index ea78e8dc..bffda741 100644
--- a/src/core/modules/impl/ContractDefinitionLoader.ts
+++ b/src/core/modules/impl/ContractDefinitionLoader.ts
@@ -48,13 +48,6 @@ export class ContractDefinitionLoader implements DefinitionLoader {
     const contractSrcTxId = forcedSrcTxId
       ? forcedSrcTxId
       : this.tagsParser.getTag(contractTx, SMART_WEAVE_TAGS.CONTRACT_SRC_TX_ID);
-    const testnet = this.tagsParser.getTag(contractTx, WARP_TAGS.WARP_TESTNET) || null;
-    if (testnet && this.env !== 'testnet') {
-      throw new Error('Trying to use testnet contract in a non-testnet env. Use the "forTestnet" factory method.');
-    }
-    if (!testnet && this.env === 'testnet') {
-      throw new Error('Trying to use non-testnet contract in a testnet env.');
-    }
     const minFee = this.tagsParser.getTag(contractTx, SMART_WEAVE_TAGS.MIN_FEE);
     let manifest = null;
     const rawManifest = this.tagsParser.getTag(contractTx, WARP_TAGS.MANIFEST);
@@ -86,8 +79,7 @@ export class ContractDefinitionLoader implements DefinitionLoader {
       metadata,
       manifest,
       contractTx: contractTx.toJSON(),
-      srcTx,
-      testnet
+      srcTx
     };
   }
 
diff --git a/src/core/modules/impl/WarpGatewayContractDefinitionLoader.ts b/src/core/modules/impl/WarpGatewayContractDefinitionLoader.ts
index 40c5dc13..25f7eb63 100644
--- a/src/core/modules/impl/WarpGatewayContractDefinitionLoader.ts
+++ b/src/core/modules/impl/WarpGatewayContractDefinitionLoader.ts
@@ -51,13 +51,11 @@ export class WarpGatewayContractDefinitionLoader implements DefinitionLoader {
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         result.srcBinary = Buffer.from((result.srcBinary as any).data);
       }
-      this.verifyEnv(result);
       return result;
     }
     const benchmark = Benchmark.measure();
     const contract = await this.doLoad<State>(contractTxId, evolvedSrcTxId);
     this.rLogger.info(`Contract definition loaded in: ${benchmark.elapsed()}`);
-    this.verifyEnv(contract);
 
     await this.putToCache(contractTxId, contract, evolvedSrcTxId);
 
@@ -119,15 +117,6 @@ export class WarpGatewayContractDefinitionLoader implements DefinitionLoader {
     return this.srcCache;
   }
 
-  private verifyEnv(def: ContractDefinition<unknown>): void {
-    if (def.testnet && this.env !== 'testnet') {
-      throw new Error('Trying to use testnet contract in a non-testnet env. Use the "forTestnet" factory method.');
-    }
-    if (!def.testnet && this.env === 'testnet') {
-      throw new Error('Trying to use non-testnet contract in a testnet env.');
-    }
-  }
-
   // Gets ContractDefinition and ContractSource from two caches and returns a combined structure
   private async getFromCache<State>(contractTxId: string, srcTxId?: string): Promise<ContractDefinition<State> | null> {
     const contract = (await this.definitionCache.get(new CacheKey(contractTxId, 'cd'))) as SortKeyCacheResult<
diff --git a/src/legacy/create-interaction-tx.ts b/src/legacy/create-interaction-tx.ts
index 523c25fd..06e0bb4a 100644
--- a/src/legacy/create-interaction-tx.ts
+++ b/src/legacy/create-interaction-tx.ts
@@ -1,5 +1,5 @@
 import Arweave from 'arweave';
-import { SMART_WEAVE_TAGS, WARP_TAGS } from '../core/KnownTags';
+import { SMART_WEAVE_TAGS } from '../core/KnownTags';
 import { GQLNodeInterface } from './gqlResult';
 import { TagsParser } from '../core/modules/impl/TagsParser';
 import { SigningFunction } from '../contract/Signature';
@@ -15,7 +15,6 @@ export async function createInteractionTx<Input>(
   target = '',
   winstonQty = '0',
   dummy = false,
-  isTestnet: boolean,
   reward?: string
 ): Promise<Transaction> {
   const options: Partial<CreateTransactionInterface> = {
@@ -43,7 +42,7 @@ export async function createInteractionTx<Input>(
 
   const interactionTx = await arweave.createTransaction(options);
 
-  const interactionTags = createInteractionTagsList(contractId, input, isTestnet, tags);
+  const interactionTags = createInteractionTagsList(contractId, input, tags);
   interactionTags.forEach((t) => interactionTx.addTag(t.name, t.value));
 
   if (signer) {
@@ -100,12 +99,7 @@ export function createDummyTx(tx: Transaction, from: string, block: BlockData):
   };
 }
 
-export function createInteractionTagsList<Input>(
-  contractId: string,
-  input: Input,
-  isTestnet: boolean,
-  customTags?: Tags
-) {
+export function createInteractionTagsList<Input>(contractId: string, input: Input, customTags?: Tags) {
   const interactionTags: Tags = [];
 
   if (customTags && customTags.length) {
@@ -120,9 +114,6 @@ export function createInteractionTagsList<Input>(
   interactionTags.push(new Tag(SMART_WEAVE_TAGS.SDK, 'Warp'));
   interactionTags.push(new Tag(SMART_WEAVE_TAGS.CONTRACT_TX_ID, contractId));
   interactionTags.push(new Tag(SMART_WEAVE_TAGS.INPUT, JSON.stringify(input)));
-  if (isTestnet) {
-    interactionTags.push(new Tag(WARP_TAGS.WARP_TESTNET, '1.0.0'));
-  }
 
   return interactionTags;
 }