2 files changed, 11 insertions, 11 deletions
diff --git a/packages/0x.js/src/order_watcher/expiration_watcher.ts b/packages/0x.js/src/order_watcher/expiration_watcher.ts
index 717edaad7..2ea7835d9 100644
--- a/packages/0x.js/src/order_watcher/expiration_watcher.ts
+++ b/packages/0x.js/src/order_watcher/expiration_watcher.ts
@@ -29,12 +29,12 @@ export class ExpirationWatcher {
         const comparator = (lhs: string, rhs: string) => scoreFunction(lhs) - scoreFunction(rhs);
         this.orderHashByExpirationRBTree = new RBTree(comparator);
     }
-    public subscribe(callbackAsync: (orderHash: string) => Promise<void>): void {
+    public subscribe(callback: (orderHash: string) => void): void {
         if (!_.isUndefined(this.orderExpirationCheckingIntervalIdIfExists)) {
             throw new Error(ZeroExError.SubscriptionAlreadyPresent);
         }
         this.orderExpirationCheckingIntervalIdIfExists = intervalUtils.setAsyncExcludingInterval(
-            this.pruneExpiredOrdersAsync.bind(this, callbackAsync), this.orderExpirationCheckingIntervalMs,
+            this.pruneExpiredOrders.bind(this, callback), this.orderExpirationCheckingIntervalMs,
         );
     }
     public unsubscribe(): void {
@@ -52,7 +52,7 @@ export class ExpirationWatcher {
         this.orderHashByExpirationRBTree.remove(orderHash);
         delete this.expiration[orderHash];
     }
-    private async pruneExpiredOrdersAsync(callbackAsync: (orderHash: string) => Promise<void>): Promise<void> {
+    private pruneExpiredOrders(callback: (orderHash: string) => void): void {
         const currentUnixTimestampMs = utils.getCurrentUnixTimestampMs();
         while (true) {
             const hasTrakedOrders = this.orderHashByExpirationRBTree.size === 0;
@@ -70,7 +70,7 @@ export class ExpirationWatcher {
             const orderHash = this.orderHashByExpirationRBTree.min();
             this.orderHashByExpirationRBTree.remove(orderHash);
             delete this.expiration[orderHash];
-            await callbackAsync(orderHash);
+            callback(orderHash);
         }
     }
 }
diff --git a/packages/0x.js/src/order_watcher/order_state_watcher.ts b/packages/0x.js/src/order_watcher/order_state_watcher.ts
index 870f42650..287172ff1 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -94,12 +94,12 @@ export class OrderStateWatcher {
      * signature is verified.
      * @param   signedOrder     The order you wish to start watching.
      */
-    public async addOrderAsync(signedOrder: SignedOrder): Promise<void> {
+    public addOrder(signedOrder: SignedOrder): void {
         assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
         const orderHash = ZeroEx.getOrderHashHex(signedOrder);
         assert.isValidSignature(orderHash, signedOrder.ecSignature, signedOrder.maker);
         this._orderByOrderHash[orderHash] = signedOrder;
-        await this.addToDependentOrderHashesAsync(signedOrder, orderHash);
+        this.addToDependentOrderHashes(signedOrder, orderHash);
         const expirationUnixTimestampMs = signedOrder.expirationUnixTimestampSec.times(1000);
         this._expirationWatcher.addOrder(orderHash, expirationUnixTimestampMs);
     }
@@ -107,7 +107,7 @@ export class OrderStateWatcher {
      * Removes an order from the orderStateWatcher
      * @param   orderHash     The orderHash of the order you wish to stop watching.
      */
-    public async removeOrderAsync(orderHash: string): Promise<void> {
+    public removeOrder(orderHash: string): void {
         assert.doesConformToSchema('orderHash', orderHash, schemas.orderHashSchema);
         const signedOrder = this._orderByOrderHash[orderHash];
         if (_.isUndefined(signedOrder)) {
@@ -134,7 +134,7 @@ export class OrderStateWatcher {
         }
         this._callbackIfExists = callback;
         this._eventWatcher.subscribe(this._onEventWatcherCallbackAsync.bind(this));
-        this._expirationWatcher.subscribe(this._onOrderExpiredAsync.bind(this));
+        this._expirationWatcher.subscribe(this._onOrderExpired.bind(this));
     }
     /**
      * Ends an orderStateWatcher subscription.
@@ -149,14 +149,14 @@ export class OrderStateWatcher {
         this._eventWatcher.unsubscribe();
         this._expirationWatcher.unsubscribe();
     }
-    private async _onOrderExpiredAsync(orderHash: string): Promise<void> {
+    private _onOrderExpired(orderHash: string): void {
         const orderState: OrderState = {
             isValid: false,
             orderHash,
             error: ExchangeContractErrs.OrderFillExpired,
         };
         if (!_.isUndefined(this._orderByOrderHash[orderHash])) {
-            await this.removeOrderAsync(orderHash);
+            this.removeOrder(orderHash);
             if (!_.isUndefined(this._callbackIfExists)) {
                 this._callbackIfExists(orderState);
             }
@@ -254,7 +254,7 @@ export class OrderStateWatcher {
             this._callbackIfExists(orderState);
         }
     }
-    private async addToDependentOrderHashesAsync(signedOrder: SignedOrder, orderHash: string): Promise<void> {
+    private addToDependentOrderHashes(signedOrder: SignedOrder, orderHash: string): void {
         if (_.isUndefined(this._dependentOrderHashes[signedOrder.maker])) {
             this._dependentOrderHashes[signedOrder.maker] = {};
         }