2 files changed, 7 insertions, 19 deletions
diff --git a/test/transform/resource/after-delombok/BuilderSingularLists.java b/test/transform/resource/after-delombok/BuilderSingularLists.java
index aa5382c1..0d074e92 100644
--- a/test/transform/resource/after-delombok/BuilderSingularLists.java
+++ b/test/transform/resource/after-delombok/BuilderSingularLists.java
@@ -66,11 +66,9 @@ class BuilderSingularLists<T> {
 				children = java.util.Collections.singletonList(this.children.get(0));
 				break;
 			default: 
-				children = new java.util.ArrayList<T>(this.children.size());
-				children.addAll(this.children);
-				children = java.util.Collections.unmodifiableList(children);
+				children = java.util.Collections.unmodifiableList(new java.util.ArrayList<T>(this.children));
 			}
-			java.util.List<Number> scarves;
+			java.util.Collection<Number> scarves;
 			switch (this.scarves == null ? 0 : this.scarves.size()) {
 			case 0: 
 				scarves = java.util.Collections.emptyList();
@@ -79,9 +77,7 @@ class BuilderSingularLists<T> {
 				scarves = java.util.Collections.singletonList(this.scarves.get(0));
 				break;
 			default: 
-				scarves = new java.util.ArrayList<Number>(this.scarves.size());
-				scarves.addAll(this.scarves);
-				scarves = java.util.Collections.unmodifiableList(scarves);
+				scarves = java.util.Collections.unmodifiableList(new java.util.ArrayList<Number>(this.scarves));
 			}
 			java.util.List<java.lang.Object> rawList;
 			switch (this.rawList == null ? 0 : this.rawList.size()) {
@@ -92,9 +88,7 @@ class BuilderSingularLists<T> {
 				rawList = java.util.Collections.singletonList(this.rawList.get(0));
 				break;
 			default: 
-				rawList = new java.util.ArrayList<java.lang.Object>(this.rawList.size());
-				rawList.addAll(this.rawList);
-				rawList = java.util.Collections.unmodifiableList(rawList);
+				rawList = java.util.Collections.unmodifiableList(new java.util.ArrayList<java.lang.Object>(this.rawList));
 			}
 			return new BuilderSingularLists<T>(children, scarves, rawList);
 		}
diff --git a/test/transform/resource/after-delombok/BuilderSingularNoAutosingularize.java b/test/transform/resource/after-delombok/BuilderSingularNoAutosingularize.java
index 07bbef9c..5f985e16 100644
--- a/test/transform/resource/after-delombok/BuilderSingularNoAutosingularize.java
+++ b/test/transform/resource/after-delombok/BuilderSingularNoAutosingularize.java
@@ -64,9 +64,7 @@ class BuilderSingularNoAutosingularize {
 				things = java.util.Collections.singletonList(this.things.get(0));
 				break;
 			default: 
-				things = new java.util.ArrayList<String>(this.things.size());
-				things.addAll(this.things);
-				things = java.util.Collections.unmodifiableList(things);
+				things = java.util.Collections.unmodifiableList(new java.util.ArrayList<String>(this.things));
 			}
 			java.util.List<String> widgets;
 			switch (this.widgets == null ? 0 : this.widgets.size()) {
@@ -77,9 +75,7 @@ class BuilderSingularNoAutosingularize {
 				widgets = java.util.Collections.singletonList(this.widgets.get(0));
 				break;
 			default: 
-				widgets = new java.util.ArrayList<String>(this.widgets.size());
-				widgets.addAll(this.widgets);
-				widgets = java.util.Collections.unmodifiableList(widgets);
+				widgets = java.util.Collections.unmodifiableList(new java.util.ArrayList<String>(this.widgets));
 			}
 			java.util.List<String> items;
 			switch (this.items == null ? 0 : this.items.size()) {
@@ -90,9 +86,7 @@ class BuilderSingularNoAutosingularize {
 				items = java.util.Collections.singletonList(this.items.get(0));
 				break;
 			default: 
-				items = new java.util.ArrayList<String>(this.items.size());
-				items.addAll(this.items);
-				items = java.util.Collections.unmodifiableList(items);
+				items = java.util.Collections.unmodifiableList(new java.util.ArrayList<String>(this.items));
 			}
 			return new BuilderSingularNoAutosingularize(things, widgets, items);
 		}