diff --git a/core/src/main/java/io/grpc/PickFirstBalancerFactory.java b/core/src/main/java/io/grpc/PickFirstBalancerFactory.java
index a1177ed337..40c5931b62 100644
--- a/core/src/main/java/io/grpc/PickFirstBalancerFactory.java
+++ b/core/src/main/java/io/grpc/PickFirstBalancerFactory.java
@@ -133,9 +133,7 @@ public final class PickFirstBalancerFactory extends LoadBalancer.Factory {
         List<EquivalentAddressGroup> groupList) {
       List<SocketAddress> addrs = new ArrayList<SocketAddress>();
       for (EquivalentAddressGroup group : groupList) {
-        for (SocketAddress addr : group.getAddresses()) {
-          addrs.add(addr);
-        }
+        addrs.addAll(group.getAddresses());
       }
       return new EquivalentAddressGroup(addrs);
     }
diff --git a/grpclb/src/main/java/io/grpc/grpclb/GrpclbLoadBalancer.java b/grpclb/src/main/java/io/grpc/grpclb/GrpclbLoadBalancer.java
index fd0fb1b74c..ecfae44d4d 100644
--- a/grpclb/src/main/java/io/grpc/grpclb/GrpclbLoadBalancer.java
+++ b/grpclb/src/main/java/io/grpc/grpclb/GrpclbLoadBalancer.java
@@ -626,9 +626,7 @@ class GrpclbLoadBalancer extends LoadBalancer implements WithLogId {
       List<EquivalentAddressGroup> groupList) {
     List<SocketAddress> addrs = new ArrayList<SocketAddress>();
     for (EquivalentAddressGroup group : groupList) {
-      for (SocketAddress addr : group.getAddresses()) {
-        addrs.add(addr);
-      }
+      addrs.addAll(group.getAddresses());
     }
     return new EquivalentAddressGroup(addrs);
   }