1 files changed, 0 insertions, 2 deletions
diff --git a/src/contract_wrappers/ether_token_wrapper.ts b/src/contract_wrappers/ether_token_wrapper.ts
index 6db07228e..3cd2f0224 100644
--- a/src/contract_wrappers/ether_token_wrapper.ts
+++ b/src/contract_wrappers/ether_token_wrapper.ts
@@ -29,7 +29,6 @@ export class EtherTokenWrapper extends ContractWrapper {
      * @return Transaction hash.
      */
     public async depositAsync(amountInWei: BigNumber, depositor: string): Promise<string> {
-        assert.isBigNumber('amountInWei', amountInWei);
         assert.isValidBaseUnitAmount('amountInWei', amountInWei);
         await assert.isSenderAddressAsync('depositor', depositor, this._web3Wrapper);
 
@@ -51,7 +50,6 @@ export class EtherTokenWrapper extends ContractWrapper {
      * @return Transaction hash.
      */
     public async withdrawAsync(amountInWei: BigNumber, withdrawer: string): Promise<string> {
-        assert.isBigNumber('amountInWei', amountInWei);
         assert.isValidBaseUnitAmount('amountInWei', amountInWei);
         await assert.isSenderAddressAsync('withdrawer', withdrawer, this._web3Wrapper);