diff --git a/backend/FwLite/LcmCrdt.Tests/ConfigRegistrationTests.cs b/backend/FwLite/LcmCrdt.Tests/ConfigRegistrationTests.cs
index bd3f0a41e8..de8092deca 100644
--- a/backend/FwLite/LcmCrdt.Tests/ConfigRegistrationTests.cs
+++ b/backend/FwLite/LcmCrdt.Tests/ConfigRegistrationTests.cs
@@ -1,6 +1,5 @@
 using FluentAssertions.Execution;
 using LcmCrdt.Changes;
-using LcmCrdt.Changes.Entries;
 using SIL.Harmony.Changes;
 using SIL.Harmony.Resource;
 
@@ -12,7 +11,6 @@ public class ConfigRegistrationTests
 
     private readonly HashSet<Type> _excludedChangeTypes =
     [
-        typeof(ReplaceComplexFormTypeChange), //not currently in use
         typeof(JsonPatchChange<ComplexFormComponent>), //not supported
         typeof(JsonPatchChange<RemoteResource>), //not supported
         typeof(JsonPatchChange<ExampleSentence>), //replaced by JsonPatchExampleSentenceChange
diff --git a/backend/FwLite/LcmCrdt/Changes/Entries/ReplaceComplexFormTypeChange.cs b/backend/FwLite/LcmCrdt/Changes/Entries/ReplaceComplexFormTypeChange.cs
deleted file mode 100644
index 2c7b6686fa..0000000000
--- a/backend/FwLite/LcmCrdt/Changes/Entries/ReplaceComplexFormTypeChange.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using SIL.Harmony.Changes;
-using SIL.Harmony.Core;
-using SIL.Harmony.Entities;
-
-namespace LcmCrdt.Changes.Entries;
-
-public class ReplaceComplexFormTypeChange(Guid entityId, ComplexFormType newComplexFormType, Guid oldComplexFormTypeId) : EditChange<Entry>(entityId), ISelfNamedType<ReplaceComplexFormTypeChange>
-{
-    public ComplexFormType NewComplexFormType { get; } = newComplexFormType;
-    public Guid OldComplexFormTypeId { get; } = oldComplexFormTypeId;
-
-    public override async ValueTask ApplyChange(Entry entity, IChangeContext context)
-    {
-        entity.ComplexFormTypes.RemoveAll(t => t.Id == OldComplexFormTypeId);
-        if (entity.ComplexFormTypes.Any(t => t.Id == NewComplexFormType.Id)) return;
-        if (await context.IsObjectDeleted(NewComplexFormType.Id)) return;
-        entity.ComplexFormTypes.Add(NewComplexFormType);
-    }
-}