diff --git a/packages/grpc-js/src/channel.ts b/packages/grpc-js/src/channel.ts
index f046ede9..ceb030a0 100644
--- a/packages/grpc-js/src/channel.ts
+++ b/packages/grpc-js/src/channel.ts
@@ -289,9 +289,7 @@ export class ChannelImplementation implements Channel {
     this.resolvingLoadBalancer.destroy();
     this.updateState(ConnectivityState.SHUTDOWN);
 
-    if (this.subchannelPool !== undefined) {
-      this.subchannelPool.forceCleanup();
-    }
+    this.subchannelPool.forceCleanup();
   }
 
   getTarget() {
diff --git a/packages/grpc-js/src/subchannel-pool.ts b/packages/grpc-js/src/subchannel-pool.ts
index 091ab6ca..16b457d5 100644
--- a/packages/grpc-js/src/subchannel-pool.ts
+++ b/packages/grpc-js/src/subchannel-pool.ts
@@ -92,7 +92,7 @@ export class SubchannelPool {
    * Ensure that the cleanup task is spawned.
    */
   ensureCleanupTask(): void {
-    if (this.global === true && this.cleanupTimer === undefined) {
+    if (this.global && this.cleanupTimer === undefined) {
       this.cleanupTimer = setInterval(() => {
         this.unrefUnusedSubchannels();
       }, REF_CHECK_INTERVAL);