diff --git a/xds/src/main/java/io/grpc/xds/XdsResourceType.java b/xds/src/main/java/io/grpc/xds/XdsResourceType.java
index 0304d39b5d..bef67f1343 100644
--- a/xds/src/main/java/io/grpc/xds/XdsResourceType.java
+++ b/xds/src/main/java/io/grpc/xds/XdsResourceType.java
@@ -55,7 +55,7 @@ abstract class XdsResourceType<T extends ResourceUpdate> {
           : Boolean.parseBoolean(System.getProperty("io.grpc.xds.experimentalEnableLeastRequest"));
 
   @VisibleForTesting
-  static boolean enableWrr = getFlag("GRPC_EXPERIMENTAL_XDS_WRR_LB", false);
+  static boolean enableWrr = getFlag("GRPC_EXPERIMENTAL_XDS_WRR_LB", true);
   static final String TYPE_URL_CLUSTER_CONFIG =
       "type.googleapis.com/envoy.extensions.clusters.aggregate.v3.ClusterConfig";
   static final String TYPE_URL_TYPED_STRUCT_UDPA =
diff --git a/xds/src/test/java/io/grpc/xds/XdsClientImplDataTest.java b/xds/src/test/java/io/grpc/xds/XdsClientImplDataTest.java
index f4ed0a19b9..b207c4344e 100644
--- a/xds/src/test/java/io/grpc/xds/XdsClientImplDataTest.java
+++ b/xds/src/test/java/io/grpc/xds/XdsClientImplDataTest.java
@@ -175,7 +175,7 @@ public class XdsClientImplDataTest {
     originalEnableLeastRequest = XdsResourceType.enableLeastRequest;
     assertThat(originalEnableLeastRequest).isFalse();
     originalEnableWrr = XdsResourceType.enableWrr;
-    assertThat(originalEnableWrr).isFalse();
+    assertThat(originalEnableWrr).isTrue();
   }
 
   @After
@@ -1993,8 +1993,6 @@ public class XdsClientImplDataTest {
 
   @Test
   public void parseCluster_WrrLbPolicy_defaultLbConfig() throws ResourceInvalidException {
-    XdsResourceType.enableWrr = true;
-
     LoadBalancingPolicy wrrConfig =
         LoadBalancingPolicy.newBuilder().addPolicies(
                 LoadBalancingPolicy.Policy.newBuilder()