diff --git a/alts/src/main/java/io/grpc/alts/AltsChannelBuilder.java b/alts/src/main/java/io/grpc/alts/AltsChannelBuilder.java
index 8252884b24..8e61e2a7f5 100644
--- a/alts/src/main/java/io/grpc/alts/AltsChannelBuilder.java
+++ b/alts/src/main/java/io/grpc/alts/AltsChannelBuilder.java
@@ -41,7 +41,6 @@ import io.grpc.internal.ObjectPool;
 import io.grpc.internal.SharedResourcePool;
 import io.grpc.netty.InternalNettyChannelBuilder;
 import io.grpc.netty.NettyChannelBuilder;
-import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import javax.annotation.Nullable;
@@ -74,11 +73,7 @@ public final class AltsChannelBuilder extends ForwardingChannelBuilder<AltsChann
   }
 
   private AltsChannelBuilder(String target) {
-    delegate =
-        NettyChannelBuilder.forTarget(target)
-            .keepAliveTime(20, TimeUnit.SECONDS)
-            .keepAliveTimeout(10, TimeUnit.SECONDS)
-            .keepAliveWithoutCalls(true);
+    delegate = NettyChannelBuilder.forTarget(target);
     InternalNettyChannelBuilder.setProtocolNegotiatorFactory(
         delegate(), new ProtocolNegotiatorFactory());
   }
diff --git a/alts/src/main/java/io/grpc/alts/AltsServerBuilder.java b/alts/src/main/java/io/grpc/alts/AltsServerBuilder.java
index 7cffef0283..8c8d55725b 100644
--- a/alts/src/main/java/io/grpc/alts/AltsServerBuilder.java
+++ b/alts/src/main/java/io/grpc/alts/AltsServerBuilder.java
@@ -70,13 +70,7 @@ public final class AltsServerBuilder extends ServerBuilder<AltsServerBuilder> {
 
   /** Creates a gRPC server builder for the given port. */
   public static AltsServerBuilder forPort(int port) {
-    NettyServerBuilder nettyDelegate =
-        NettyServerBuilder.forAddress(new InetSocketAddress(port))
-            .maxConnectionIdle(1, TimeUnit.HOURS)
-            .keepAliveTime(270, TimeUnit.SECONDS)
-            .keepAliveTimeout(20, TimeUnit.SECONDS)
-            .permitKeepAliveTime(10, TimeUnit.SECONDS)
-            .permitKeepAliveWithoutCalls(true);
+    NettyServerBuilder nettyDelegate = NettyServerBuilder.forAddress(new InetSocketAddress(port));
     return new AltsServerBuilder(nettyDelegate);
   }