diff --git a/contracts/asset-proxy/compiler.json b/contracts/asset-proxy/compiler.json
index 13d150d70c..28f73402ca 100644
--- a/contracts/asset-proxy/compiler.json
+++ b/contracts/asset-proxy/compiler.json
@@ -23,6 +23,7 @@
         }
     },
     "contracts": [
+        "src/ERC1155Proxy.sol",
         "src/ERC20Proxy.sol",
         "src/ERC721Proxy.sol",
         "src/MixinAuthorizable.sol",
diff --git a/contracts/asset-proxy/package.json b/contracts/asset-proxy/package.json
index c59e6bde7e..138485472a 100644
--- a/contracts/asset-proxy/package.json
+++ b/contracts/asset-proxy/package.json
@@ -33,7 +33,7 @@
         "lint-contracts": "solhint -c ../.solhint.json contracts/**/**/**/**/*.sol"
     },
     "config": {
-        "abis": "./generated-artifacts/@(ERC20Proxy|ERC721Proxy|ERC1155Proxy|IAssetData|IAssetProxy|IAuthorizable|MixinAuthorizable|MultiAssetProxy).json",
+        "abis": "./generated-artifacts/@(ERC1155Proxy|ERC20Proxy|ERC721Proxy|IAssetData|IAssetProxy|IAuthorizable|MixinAuthorizable|MultiAssetProxy).json",
         "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually."
     },
     "repository": {
diff --git a/contracts/asset-proxy/src/artifacts.ts b/contracts/asset-proxy/src/artifacts.ts
index c7c7f25dbb..0dc768bc11 100644
--- a/contracts/asset-proxy/src/artifacts.ts
+++ b/contracts/asset-proxy/src/artifacts.ts
@@ -5,8 +5,6 @@
  */
 import { ContractArtifact } from 'ethereum-types';
 
-import * as DummyERC1155Receiver from '../generated-artifacts/DummyERC1155Receiver.json';
-import * as ERC1155Mintable from '../generated-artifacts/ERC1155Mintable.json';
 import * as ERC1155Proxy from '../generated-artifacts/ERC1155Proxy.json';
 import * as ERC20Proxy from '../generated-artifacts/ERC20Proxy.json';
 import * as ERC721Proxy from '../generated-artifacts/ERC721Proxy.json';
@@ -16,11 +14,9 @@ import * as IAuthorizable from '../generated-artifacts/IAuthorizable.json';
 import * as MixinAuthorizable from '../generated-artifacts/MixinAuthorizable.json';
 import * as MultiAssetProxy from '../generated-artifacts/MultiAssetProxy.json';
 export const artifacts = {
-    DummyERC1155Receiver: DummyERC1155Receiver as ContractArtifact,
-    ERC1155Mintable: ERC1155Mintable as ContractArtifact,
-    ERC1155Proxy: ERC1155Proxy as ContractArtifact,
     ERC20Proxy: ERC20Proxy as ContractArtifact,
     ERC721Proxy: ERC721Proxy as ContractArtifact,
+    ERC1155Proxy: ERC1155Proxy as ContractArtifact,
     MixinAuthorizable: MixinAuthorizable as ContractArtifact,
     MultiAssetProxy: MultiAssetProxy as ContractArtifact,
     IAssetData: IAssetData as ContractArtifact,
diff --git a/contracts/asset-proxy/src/wrappers.ts b/contracts/asset-proxy/src/wrappers.ts
index 50de349723..3412cb0266 100644
--- a/contracts/asset-proxy/src/wrappers.ts
+++ b/contracts/asset-proxy/src/wrappers.ts
@@ -3,8 +3,6 @@
  * Warning: This file is auto-generated by contracts-gen. Don't edit manually.
  * -----------------------------------------------------------------------------
  */
-export * from '../generated-wrappers/dummy_erc1155_receiver';
-export * from '../generated-wrappers/erc1155_mintable';
 export * from '../generated-wrappers/erc1155_proxy';
 export * from '../generated-wrappers/erc20_proxy';
 export * from '../generated-wrappers/erc721_proxy';
diff --git a/contracts/asset-proxy/test/erc1155_proxy.ts b/contracts/asset-proxy/test/erc1155_proxy.ts
index 9452301ff1..01368f7833 100644
--- a/contracts/asset-proxy/test/erc1155_proxy.ts
+++ b/contracts/asset-proxy/test/erc1155_proxy.ts
@@ -1,3 +1,10 @@
+import {
+    artifacts as erc1155Artifacts,
+    DummyERC1155ReceiverBatchTokenReceivedEventArgs,
+    DummyERC1155ReceiverContract,
+    ERC1155MintableContract,
+    Erc1155Wrapper,
+} from '@0x/contracts-erc1155';
 import {
     chaiSetup,
     constants,
@@ -14,15 +21,7 @@ import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { Erc1155Wrapper } from '../../erc1155/lib/src';
-import {
-    artifacts,
-    DummyERC1155ReceiverBatchTokenReceivedEventArgs,
-    DummyERC1155ReceiverContract,
-    ERC1155MintableContract,
-    ERC1155ProxyWrapper,
-    ERC721ProxyContract,
-} from '../src';
+import { ERC1155ProxyWrapper, ERC721ProxyContract } from '../src';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -87,7 +86,7 @@ describe('ERC1155Proxy', () => {
         [erc1155Wrapper] = await erc1155ProxyWrapper.deployDummyContractsAsync();
         erc1155Contract = erc1155Wrapper.getContract();
         erc1155Receiver = await DummyERC1155ReceiverContract.deployFrom0xArtifactAsync(
-            artifacts.DummyERC1155Receiver,
+            erc1155Artifacts.DummyERC1155Receiver,
             provider,
             txDefaults,
         );
diff --git a/contracts/asset-proxy/test/utils/erc1155_proxy_wrapper.ts b/contracts/asset-proxy/test/utils/erc1155_proxy_wrapper.ts
index a04008486b..4a43a4711b 100644
--- a/contracts/asset-proxy/test/utils/erc1155_proxy_wrapper.ts
+++ b/contracts/asset-proxy/test/utils/erc1155_proxy_wrapper.ts
@@ -1,4 +1,4 @@
-import { Erc1155Wrapper } from '@0x/contracts-erc1155';
+import { artifacts as erc1155Artifacts, ERC1155MintableContract, Erc1155Wrapper } from '@0x/contracts-erc1155';
 import {
     constants,
     ERC1155FungibleHoldingsByOwner,
@@ -13,7 +13,7 @@ import { Web3Wrapper } from '@0x/web3-wrapper';
 import { Provider, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { artifacts, ERC1155MintableContract, ERC1155ProxyContract, IAssetProxyContract } from '../../src';
+import { artifacts, ERC1155ProxyContract, IAssetProxyContract } from '../../src';
 
 export class ERC1155ProxyWrapper {
     private readonly _tokenOwnerAddresses: string[];
@@ -33,7 +33,8 @@ export class ERC1155ProxyWrapper {
     constructor(provider: Provider, tokenOwnerAddresses: string[], contractOwnerAddress: string) {
         this._web3Wrapper = new Web3Wrapper(provider);
         this._provider = provider;
-        this._logDecoder = new LogDecoder(this._web3Wrapper, artifacts);
+        const allArtifacts = _.merge(artifacts, erc1155Artifacts);
+        this._logDecoder = new LogDecoder(this._web3Wrapper, allArtifacts);
         this._dummyTokenWrappers = [];
         this._assetProxyInterface = new IAssetProxyContract(
             artifacts.IAssetProxy.compilerOutput.abi,
@@ -54,7 +55,7 @@ export class ERC1155ProxyWrapper {
         // tslint:disable-next-line:no-unused-variable
         for (const i of _.times(constants.NUM_DUMMY_ERC1155_CONTRACTS_TO_DEPLOY)) {
             const erc1155Contract = await ERC1155MintableContract.deployFrom0xArtifactAsync(
-                artifacts.ERC1155Mintable,
+                erc1155Artifacts.ERC1155Mintable,
                 this._provider,
                 txDefaults,
             );
diff --git a/contracts/asset-proxy/tsconfig.json b/contracts/asset-proxy/tsconfig.json
index 2ea279b4e5..31358217c9 100644
--- a/contracts/asset-proxy/tsconfig.json
+++ b/contracts/asset-proxy/tsconfig.json
@@ -3,9 +3,7 @@
     "compilerOptions": { "outDir": "lib", "rootDir": ".", "resolveJsonModule": true },
     "include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*"],
     "files": [
-        "generated-artifacts/DummyERC1155Receiver.json",
-        "generated-artifacts/ERC1155Mintable.json",
-        "generated-artifacts/ERC1155Proxy.json",    
+        "generated-artifacts/ERC1155Proxy.json",
         "generated-artifacts/ERC20Proxy.json",
         "generated-artifacts/ERC721Proxy.json",
         "generated-artifacts/IAssetData.json",
diff --git a/contracts/erc1155/compiler.json b/contracts/erc1155/compiler.json
index e24bb9224b..e545f46b08 100644
--- a/contracts/erc1155/compiler.json
+++ b/contracts/erc1155/compiler.json
@@ -18,13 +18,13 @@
         }
     },
     "contracts": [
-        "test/DummyERC1155Receiver.sol",
         "src/ERC1155.sol",
-        "src/mixins/MNonFungibleToken.sol",
         "src/ERC1155Mintable.sol",
         "src/MixinNonFungibleToken.sol",
+        "src/interfaces/IERC1155.sol",
         "src/interfaces/IERC1155Mintable.sol",
         "src/interfaces/IERC1155Receiver.sol",
-        "src/interfaces/IERC1155.sol"
+        "src/mixins/MNonFungibleToken.sol",
+        "test/DummyERC1155Receiver.sol"
     ]
 }
diff --git a/contracts/erc1155/package.json b/contracts/erc1155/package.json
index e988deed8f..9c26f1c275 100644
--- a/contracts/erc1155/package.json
+++ b/contracts/erc1155/package.json
@@ -33,7 +33,7 @@
         "lint-contracts": "solhint -c ../.solhint.json contracts/**/**/**/**/*.sol"
     },
     "config": {
-        "abis": "generated-artifacts/@(Address|DummyERC1155Receiver|ERC1155|ERC1155Mintable|IERC1155|IERC1155Receiver|MixinNonFungibleToken|SafeMath).json",
+        "abis": "generated-artifacts/@(DummyERC1155Receiver|ERC1155|ERC1155Mintable|IERC1155|IERC1155Mintable|IERC1155Receiver|MNonFungibleToken|MixinNonFungibleToken).json",
         "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually."
     },
     "repository": {
diff --git a/contracts/erc1155/src/artifacts.ts b/contracts/erc1155/src/artifacts.ts
index 1ec22628ad..be1ee9886b 100644
--- a/contracts/erc1155/src/artifacts.ts
+++ b/contracts/erc1155/src/artifacts.ts
@@ -5,21 +5,21 @@
  */
 import { ContractArtifact } from 'ethereum-types';
 
-import * as Address from '../generated-artifacts/Address.json';
 import * as DummyERC1155Receiver from '../generated-artifacts/DummyERC1155Receiver.json';
 import * as ERC1155 from '../generated-artifacts/ERC1155.json';
 import * as ERC1155Mintable from '../generated-artifacts/ERC1155Mintable.json';
 import * as IERC1155 from '../generated-artifacts/IERC1155.json';
+import * as IERC1155Mintable from '../generated-artifacts/IERC1155Mintable.json';
 import * as IERC1155Receiver from '../generated-artifacts/IERC1155Receiver.json';
 import * as MixinNonFungibleToken from '../generated-artifacts/MixinNonFungibleToken.json';
-import * as SafeMath from '../generated-artifacts/SafeMath.json';
+import * as MNonFungibleToken from '../generated-artifacts/MNonFungibleToken.json';
 export const artifacts = {
     ERC1155: ERC1155 as ContractArtifact,
     ERC1155Mintable: ERC1155Mintable as ContractArtifact,
     MixinNonFungibleToken: MixinNonFungibleToken as ContractArtifact,
     IERC1155: IERC1155 as ContractArtifact,
+    IERC1155Mintable: IERC1155Mintable as ContractArtifact,
     IERC1155Receiver: IERC1155Receiver as ContractArtifact,
-    Address: Address as ContractArtifact,
-    SafeMath: SafeMath as ContractArtifact,
+    MNonFungibleToken: MNonFungibleToken as ContractArtifact,
     DummyERC1155Receiver: DummyERC1155Receiver as ContractArtifact,
 };
diff --git a/contracts/erc1155/src/wrappers.ts b/contracts/erc1155/src/wrappers.ts
index 557d3dde9e..fad5514a49 100644
--- a/contracts/erc1155/src/wrappers.ts
+++ b/contracts/erc1155/src/wrappers.ts
@@ -3,11 +3,11 @@
  * Warning: This file is auto-generated by contracts-gen. Don't edit manually.
  * -----------------------------------------------------------------------------
  */
-export * from '../generated-wrappers/address';
 export * from '../generated-wrappers/dummy_erc1155_receiver';
 export * from '../generated-wrappers/erc1155';
 export * from '../generated-wrappers/erc1155_mintable';
+export * from '../generated-wrappers/i_erc1155_mintable';
 export * from '../generated-wrappers/i_erc1155_receiver';
 export * from '../generated-wrappers/ierc1155';
+export * from '../generated-wrappers/m_non_fungible_token';
 export * from '../generated-wrappers/mixin_non_fungible_token';
-export * from '../generated-wrappers/safe_math';
diff --git a/contracts/erc1155/test/utils/erc1155_wrapper.ts b/contracts/erc1155/test/utils/erc1155_wrapper.ts
index 82e8705b1a..7f620ece02 100644
--- a/contracts/erc1155/test/utils/erc1155_wrapper.ts
+++ b/contracts/erc1155/test/utils/erc1155_wrapper.ts
@@ -138,22 +138,6 @@ export class Erc1155Wrapper {
         const isApprovedForAll = await this._erc1155Contract.isApprovedForAll.callAsync(owner, beneficiary);
         return isApprovedForAll;
     }
-    public async setApprovalForAllAsync(
-        owner: string,
-        beneficiary: string,
-        isApproved: boolean,
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const tx = await this._logDecoder.getTxWithDecodedLogsAsync(
-            await this._erc1155Contract.setApprovalForAll.sendTransactionAsync(beneficiary, isApproved, {
-                from: owner,
-            }),
-        );
-        return tx;
-    }
-    public async isApprovedForAllAsync(owner: string, beneficiary: string): Promise<boolean> {
-        const isApprovedForAll = await this._erc1155Contract.isApprovedForAll.callAsync(owner, beneficiary);
-        return isApprovedForAll;
-    }
     public async assertBalancesAsync(
         owners: string[],
         tokens: BigNumber[],
diff --git a/contracts/erc1155/tsconfig.json b/contracts/erc1155/tsconfig.json
index b26787d056..04206336be 100644
--- a/contracts/erc1155/tsconfig.json
+++ b/contracts/erc1155/tsconfig.json
@@ -3,14 +3,14 @@
     "compilerOptions": { "outDir": "lib", "rootDir": ".", "resolveJsonModule": true },
     "include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*"],
     "files": [
-        "generated-artifacts/Address.json",
         "generated-artifacts/DummyERC1155Receiver.json",
         "generated-artifacts/ERC1155.json",
         "generated-artifacts/ERC1155Mintable.json",
         "generated-artifacts/IERC1155.json",
+        "generated-artifacts/IERC1155Mintable.json",
         "generated-artifacts/IERC1155Receiver.json",
-        "generated-artifacts/MixinNonFungibleToken.json",
-        "generated-artifacts/SafeMath.json"
+        "generated-artifacts/MNonFungibleToken.json",
+        "generated-artifacts/MixinNonFungibleToken.json"
     ],
     "exclude": ["./deploy/solc/solc_bin"]
 }
diff --git a/packages/order-utils/src/asset_data_utils.ts b/packages/order-utils/src/asset_data_utils.ts
index bb61f3be9a..2acf57d5f6 100644
--- a/packages/order-utils/src/asset_data_utils.ts
+++ b/packages/order-utils/src/asset_data_utils.ts
@@ -107,7 +107,8 @@ export const assetDataUtils = {
             throw new Error(`Invalid assetProxyId. Expected '${AssetProxyId.ERC1155}', got '${assetProxyId}'`);
         }
         const abiEncoder = AbiEncoder.createMethod('ERC1155Token', ERC1155AssetDataAbi);
-        const decodedAssetData: ERC1155AssetDataNoProxyId = abiEncoder.decode(assetData, decodingRules);
+        // tslint:disable-next-line:no-unnecessary-type-assertion
+        const decodedAssetData = abiEncoder.decode(assetData, decodingRules) as ERC1155AssetDataNoProxyId;
         return {
             assetProxyId,
             tokenAddress: decodedAssetData.tokenAddress,
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 1250688fc6..43f9ba0845 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -7,14 +7,13 @@
                 "pr": 1661
             }
         ]
-    },        
+    },
     {
         "version": "2.2.2",
         "changes": [
             {
                 "note": "Added ERC1155 revert reasons",
                 "pr": 1657
-                           
             }
         ]
     },