Use configured version of bignumber in all packages

3 files changed, 2 insertions, 3 deletions

diff --git a/packages/assert/package.json b/packages/assert/package.json
index 71b02b1ac..1752f4b17 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -39,7 +39,6 @@
   "dependencies": {
     "@0xproject/json-schemas": "^0.7.1",
     "@0xproject/utils": "^0.1.2",
-    "bignumber.js": "~4.1.0",
     "lodash": "^4.17.4",
     "valid-url": "^1.0.9"
   }
diff --git a/packages/assert/src/index.ts b/packages/assert/src/index.ts
index e729c043c..34eb42eb9 100644
--- a/packages/assert/src/index.ts
+++ b/packages/assert/src/index.ts
@@ -1,6 +1,6 @@
 import { Schema, SchemaValidator } from '@0xproject/json-schemas';
 import { addressUtils } from '@0xproject/utils';
-import BigNumber from 'bignumber.js';
+import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 import * as validUrl from 'valid-url';
 
diff --git a/packages/assert/test/assert_test.ts b/packages/assert/test/assert_test.ts
index 51dc1d586..29344584a 100644
--- a/packages/assert/test/assert_test.ts
+++ b/packages/assert/test/assert_test.ts
@@ -1,5 +1,5 @@
 import { schemas } from '@0xproject/json-schemas';
-import { BigNumber } from 'bignumber.js';
+import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
 import 'mocha';