1 files changed, 0 insertions, 5 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
index a9809e0e7..9063e0e40 100644
--- a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
@@ -1180,11 +1180,6 @@ export class ExchangeWrapper extends ContractWrapper {
         const encoder = new TransactionEncoder(exchangeInstance);
         return encoder;
     }
-    // tslint:disable:no-unused-variable
-    private _invalidateContractInstances(): void {
-        this.unsubscribeAll();
-        delete this._exchangeContractIfExists;
-    }
     // tslint:enable:no-unused-variable
     private async _getExchangeContractAsync(): Promise<ExchangeContract> {
         if (!_.isUndefined(this._exchangeContractIfExists)) {