diff --git a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonStreamWriter.java b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonStreamWriter.java
index e6892475a6..6ef655781b 100644
--- a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonStreamWriter.java
+++ b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonStreamWriter.java
@@ -73,11 +73,7 @@ private JsonStreamWriter(Builder builder)
     this.descriptor =
         BQTableSchemaToProtoDescriptor.convertBQTableSchemaToProtoDescriptor(builder.tableSchema);
 
-    if (this.client == null) {
-      streamWriterBuilder = StreamWriter.newBuilder(builder.streamName);
-    } else {
-      streamWriterBuilder = StreamWriter.newBuilder(builder.streamName, builder.client);
-    }
+    streamWriterBuilder = StreamWriter.newBuilder(builder.streamName);
     this.protoSchema = ProtoSchemaConverter.convert(this.descriptor);
     this.totalMessageSize = protoSchema.getSerializedSize();
     streamWriterBuilder.setWriterSchema(protoSchema);