diff --git a/src/Umbraco.Examine.Lucene/UmbracoContentIndex.cs b/src/Umbraco.Examine.Lucene/UmbracoContentIndex.cs
index a2c4dedafe..7aa2eea5fc 100644
--- a/src/Umbraco.Examine.Lucene/UmbracoContentIndex.cs
+++ b/src/Umbraco.Examine.Lucene/UmbracoContentIndex.cs
@@ -72,7 +72,7 @@ public class UmbracoContentIndex : UmbracoExamineIndex, IUmbracoContentIndex
             ValueSetValidationResult validationResult = ValueSetValidator.Validate(v);
 
             return validationResult.Status;
-        }).ToList();
+        }).ToArray();
 
         var hasDeletes = false;
         var hasUpdates = false;
@@ -86,7 +86,7 @@ public class UmbracoContentIndex : UmbracoExamineIndex, IUmbracoContentIndex
                     hasUpdates = true;
 
                     //these are the valid ones, so just index them all at once
-                    base.PerformIndexItems(group.ToList(), onComplete);
+                    base.PerformIndexItems(group.ToArray(), onComplete);
                     break;
                 case ValueSetValidationStatus.Failed:
                     // don't index anything that is invalid
diff --git a/src/Umbraco.Examine.Lucene/UmbracoExamineIndex.cs b/src/Umbraco.Examine.Lucene/UmbracoExamineIndex.cs
index f2b94215a5..969c58ac55 100644
--- a/src/Umbraco.Examine.Lucene/UmbracoExamineIndex.cs
+++ b/src/Umbraco.Examine.Lucene/UmbracoExamineIndex.cs
@@ -95,7 +95,7 @@ public abstract class UmbracoExamineIndex : LuceneIndex, IUmbracoIndex, IIndexDi
         Document? d = docArgs.Document;
 
         foreach (KeyValuePair<string, IReadOnlyList<object>> f in docArgs.ValueSet.Values
-                     .Where(x => x.Key.StartsWith(UmbracoExamineFieldNames.RawFieldPrefix)).ToList())
+                     .Where(x => x.Key.StartsWith(UmbracoExamineFieldNames.RawFieldPrefix)).ToArray())
         {
             if (f.Value.Count > 0)
             {
diff --git a/src/Umbraco.Infrastructure/Examine/ContentIndexPopulator.cs b/src/Umbraco.Infrastructure/Examine/ContentIndexPopulator.cs
index 24a21d1cb8..dd02ee5754 100644
--- a/src/Umbraco.Infrastructure/Examine/ContentIndexPopulator.cs
+++ b/src/Umbraco.Infrastructure/Examine/ContentIndexPopulator.cs
@@ -99,7 +99,7 @@ public class ContentIndexPopulator : IndexPopulator<IUmbracoContentIndex>
         {
             content = _contentService.GetPagedDescendants(contentParentId, pageIndex, pageSize, out _).ToArray();
 
-            var valueSets = _contentValueSetBuilder.GetValueSets(content).ToList();
+            var valueSets = _contentValueSetBuilder.GetValueSets(content).ToArray();
 
             // ReSharper disable once PossibleMultipleEnumeration
             foreach (IIndex index in indexes)
@@ -145,7 +145,7 @@ public class ContentIndexPopulator : IndexPopulator<IUmbracoContentIndex>
                 }
             }
 
-            var valueSets = _contentValueSetBuilder.GetValueSets(indexableContent.ToArray()).ToList();
+            var valueSets = _contentValueSetBuilder.GetValueSets(indexableContent.ToArray()).ToArray();
 
             foreach (IIndex index in indexes)
             {
diff --git a/src/Umbraco.Infrastructure/Examine/ValueSetValidator.cs b/src/Umbraco.Infrastructure/Examine/ValueSetValidator.cs
index 0372df31f2..f35836864b 100644
--- a/src/Umbraco.Infrastructure/Examine/ValueSetValidator.cs
+++ b/src/Umbraco.Infrastructure/Examine/ValueSetValidator.cs
@@ -85,7 +85,7 @@ public class ValueSetValidator : IValueSetValidator
         // filter based on the fields provided (if any)
         if (IncludeFields != null || ExcludeFields != null)
         {
-            foreach (var key in valueSet.Values.Keys.ToList())
+            foreach (var key in valueSet.Values.Keys.ToArray())
             {
                 if (IncludeFields != null && !IncludeFields.InvariantContains(key))
                 {