diff --git a/xds/src/main/java/io/grpc/xds/XdsClient.java b/xds/src/main/java/io/grpc/xds/XdsClient.java
index 5b8072c4488..254963d2439 100644
--- a/xds/src/main/java/io/grpc/xds/XdsClient.java
+++ b/xds/src/main/java/io/grpc/xds/XdsClient.java
@@ -24,12 +24,12 @@
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
+import io.grpc.ChannelCredentials;
 import io.grpc.Grpc;
 import io.grpc.ManagedChannel;
-import io.grpc.ManagedChannelBuilder;
 import io.grpc.Status;
 import io.grpc.TlsChannelCredentials;
-import io.grpc.alts.GoogleDefaultChannelBuilder;
+import io.grpc.alts.GoogleDefaultChannelCredentials;
 import io.grpc.internal.ObjectPool;
 import io.grpc.xds.Bootstrapper.ChannelCreds;
 import io.grpc.xds.Bootstrapper.ServerInfo;
@@ -620,22 +620,22 @@ XdsChannel createChannel(List<ServerInfo> servers) {
         String serverUri = serverInfo.getServerUri();
         logger.log(XdsLogLevel.INFO, "Creating channel to {0}", serverUri);
         List<ChannelCreds> channelCredsList = serverInfo.getChannelCredentials();
-        ManagedChannelBuilder<?> channelBuilder = null;
+        ChannelCredentials creds = null;
         // Use the first supported channel credentials configuration.
         // Currently, only "google_default" is supported.
-        for (ChannelCreds creds : channelCredsList) {
-          if (creds.getType().equals("google_default")) {
+        for (ChannelCreds credCandidate : channelCredsList) {
+          if (credCandidate.getType().equals("google_default")) {
             logger.log(XdsLogLevel.INFO, "Using channel credentials: google_default");
-            channelBuilder = GoogleDefaultChannelBuilder.forTarget(serverUri);
+            creds = GoogleDefaultChannelCredentials.create();
             break;
           }
         }
-        if (channelBuilder == null) {
+        if (creds == null) {
           logger.log(XdsLogLevel.INFO, "Using default channel credentials");
-          channelBuilder = Grpc.newChannelBuilder(serverUri, TlsChannelCredentials.create());
+          creds = TlsChannelCredentials.create();
         }
 
-        ManagedChannel channel = channelBuilder
+        ManagedChannel channel = Grpc.newChannelBuilder(serverUri, creds)
             .keepAliveTime(5, TimeUnit.MINUTES)
             .build();
         boolean useProtocolV3 = experimentalV3SupportEnvVar