2 files changed, 3 insertions, 5 deletions
diff --git a/container-core/src/main/java/com/yahoo/processing/response/DefaultIncomingData.java b/container-core/src/main/java/com/yahoo/processing/response/DefaultIncomingData.java
index d820c2812e5..ee2e920afcc 100644
--- a/container-core/src/main/java/com/yahoo/processing/response/DefaultIncomingData.java
+++ b/container-core/src/main/java/com/yahoo/processing/response/DefaultIncomingData.java
@@ -5,7 +5,6 @@ import com.yahoo.collections.Tuple2;
 import com.yahoo.concurrent.CompletableFutures;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Executor;
@@ -60,13 +59,13 @@ public class DefaultIncomingData<DATATYPE extends Data> implements IncomingData<
     /** Adds new data and marks this as completed */
     @Override
     public synchronized void addLast(DATATYPE data) {
-        addLast(Collections.singletonList(data));
+        addLast(List.of(data));
     }
 
     /** Adds new data without completing this */
     @Override
     public synchronized void add(DATATYPE data) {
-        add(Collections.singletonList(data));
+        add(List.of(data));
     }
 
     /** Adds new data and marks this as completed */
diff --git a/container-core/src/main/java/com/yahoo/processing/response/IncomingData.java b/container-core/src/main/java/com/yahoo/processing/response/IncomingData.java
index 45dec0ad2ba..fb891f0b8ea 100644
--- a/container-core/src/main/java/com/yahoo/processing/response/IncomingData.java
+++ b/container-core/src/main/java/com/yahoo/processing/response/IncomingData.java
@@ -3,7 +3,6 @@ package com.yahoo.processing.response;
 
 import com.yahoo.processing.impl.ProcessingFuture;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Executor;
@@ -158,7 +157,7 @@ public interface IncomingData<DATATYPE extends Data> {
         }
 
         public List<DATATYPE> drain() {
-            return Collections.emptyList();
+            return List.of();
         }
 
         /**