diff --git a/contracts/exchange-libs/compiler.json b/contracts/exchange-libs/compiler.json
index 36f80e9b3f..7a3d0e687e 100644
--- a/contracts/exchange-libs/compiler.json
+++ b/contracts/exchange-libs/compiler.json
@@ -24,7 +24,6 @@
         }
     },
     "contracts": [
-        "src/LibConstants.sol",
         "src/LibEIP712ExchangeDomain.sol",
         "src/LibFillResults.sol",
         "src/LibMath.sol",
diff --git a/contracts/exchange-libs/package.json b/contracts/exchange-libs/package.json
index fcc73c2dac..fcb115ce67 100644
--- a/contracts/exchange-libs/package.json
+++ b/contracts/exchange-libs/package.json
@@ -34,7 +34,7 @@
         "lint-contracts": "solhint -c ../.solhint.json contracts/**/**/**/**/*.sol"
     },
     "config": {
-        "abis": "./generated-artifacts/@(LibAssetProxyErrors|LibConstants|LibEIP712ExchangeDomain|LibFillResults|LibMath|LibOrder|LibZeroExTransaction|TestLibs).json",
+        "abis": "./generated-artifacts/@(LibEIP712ExchangeDomain|LibFillResults|LibMath|LibOrder|LibZeroExTransaction|TestLibs).json",
         "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually."
     },
     "repository": {
diff --git a/contracts/exchange-libs/src/artifacts.ts b/contracts/exchange-libs/src/artifacts.ts
index c2d271798a..fca74b4506 100644
--- a/contracts/exchange-libs/src/artifacts.ts
+++ b/contracts/exchange-libs/src/artifacts.ts
@@ -5,7 +5,6 @@
  */
 import { ContractArtifact } from 'ethereum-types';
 
-import * as LibConstants from '../generated-artifacts/LibConstants.json';
 import * as LibEIP712ExchangeDomain from '../generated-artifacts/LibEIP712ExchangeDomain.json';
 import * as LibFillResults from '../generated-artifacts/LibFillResults.json';
 import * as LibMath from '../generated-artifacts/LibMath.json';
@@ -13,7 +12,7 @@ import * as LibOrder from '../generated-artifacts/LibOrder.json';
 import * as LibZeroExTransaction from '../generated-artifacts/LibZeroExTransaction.json';
 import * as TestLibs from '../generated-artifacts/TestLibs.json';
 export const artifacts = {
-    LibConstants: LibConstants as ContractArtifact,
+    LibEIP712ExchangeDomain: LibEIP712ExchangeDomain as ContractArtifact,
     LibFillResults: LibFillResults as ContractArtifact,
     LibMath: LibMath as ContractArtifact,
     LibOrder: LibOrder as ContractArtifact,
diff --git a/contracts/exchange-libs/src/wrappers.ts b/contracts/exchange-libs/src/wrappers.ts
index 4908d5a01a..3c8fd1ef89 100644
--- a/contracts/exchange-libs/src/wrappers.ts
+++ b/contracts/exchange-libs/src/wrappers.ts
@@ -3,7 +3,6 @@
  * Warning: This file is auto-generated by contracts-gen. Don't edit manually.
  * -----------------------------------------------------------------------------
  */
-export * from '../generated-wrappers/lib_constants';
 export * from '../generated-wrappers/lib_e_i_p712_exchange_domain';
 export * from '../generated-wrappers/lib_fill_results';
 export * from '../generated-wrappers/lib_math';
diff --git a/contracts/exchange-libs/tsconfig.json b/contracts/exchange-libs/tsconfig.json
index c189082e61..7090de902e 100644
--- a/contracts/exchange-libs/tsconfig.json
+++ b/contracts/exchange-libs/tsconfig.json
@@ -3,7 +3,6 @@
     "compilerOptions": { "outDir": "lib", "rootDir": ".", "resolveJsonModule": true },
     "include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*"],
     "files": [
-        "generated-artifacts/LibConstants.json",
         "generated-artifacts/LibEIP712ExchangeDomain.json",
         "generated-artifacts/LibFillResults.json",
         "generated-artifacts/LibMath.json",