diff --git a/Gems/LyShine/Code/Source/UiEntityContext.cpp b/Gems/LyShine/Code/Source/UiEntityContext.cpp
deleted file mode 100644
index 2741c4c521..0000000000
--- a/Gems/LyShine/Code/Source/UiEntityContext.cpp
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * Copyright (c) Contributors to the Open 3D Engine Project.
- * For complete copyright and license terms please see the LICENSE at the root of this distribution.
- *
- * SPDX-License-Identifier: Apache-2.0 OR MIT
- *
- */
-
-#include <AzCore/Component/Entity.h>
-#include <AzCore/Component/EntityUtils.h>
-#include <AzCore/Component/ComponentApplicationBus.h>
-#include <AzCore/Component/TransformBus.h>
-#include <AzCore/Serialization/SerializeContext.h>
-#include <AzCore/IO/ByteContainerStream.h>
-#include <AzCore/IO/FileIO.h>
-#include <AzCore/Serialization/Utils.h>
-#include <AzCore/Math/Transform.h>
-#include <AzCore/Asset/AssetDatabase.h>
-
-#include <AzFramework/API/ApplicationAPI.h>
-#include <AzFramework/Entity/EntityContext.h>
-#include <AzFramework/Entity/GameEntityContextBus.h>
-#include <AzFramework/Asset/AssetCatalogBus.h>
-#include <AzFramework/StringFunc/StringFunc.h>
-
-#include <LyShine/UiEntityContext.h>
-
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-UiEntityContext::UiEntityContext()
-    : AzFramework::EntityContext(AzFramework::EntityContextId::CreateRandom())
-{
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-UiEntityContext::~UiEntityContext()
-{
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::Activate()
-{
-    InitContext();
-
-    GetRootSlice()->Instantiate();
-
-    UiEntityContextRequestBus::Handler::BusConnect(GetContextId());
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::Deactivate()
-{
-    UiEntityContextRequestBus::Handler::BusDisconnect();
-
-    DestroyContext();
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-AZ::Entity* UiEntityContext::GetRootAssetEntity()
-{
-    return m_rootAsset.Get()->GetEntity();
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-AZ::Entity* UiEntityContext::CloneRootAssetEntity()
-{
-    AZ::SerializeContext* context = nullptr;
-    EBUS_EVENT_RESULT(context, AZ::ComponentApplicationBus, GetSerializeContext);
-
-    AZ::Entity* rootAssetEntity = GetRootAssetEntity();
-
-    AZ::Entity* clonedRootAssetEntity = context->CloneObject(rootAssetEntity);
-    return clonedRootAssetEntity;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-AZ::Entity* UiEntityContext::CreateUiEntity(const char* name)
-{
-    AZ::Entity* entity = CreateEntity(name);
-
-    if (entity)
-    {
-        // we don't currently do anything extra here, UI entities are not automatically
-        // Init'ed and Activate'd when they are created. We wait until the required components
-        // are added before Init and Activate
-    }
-
-    return entity;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::AddUiEntity(AZ::Entity* entity)
-{
-    AZ_Assert(entity, "Supplied entity is invalid.");
-
-    AddEntity(entity);
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::AddUiEntities(const AzFramework::EntityContext::EntityList& entities)
-{
-    AZ::PrefabAsset* rootSlice = m_rootAsset.Get();
-
-    for (AZ::Entity* entity : entities)
-    {
-        AZ_Assert(!AzFramework::EntityIdContextQueryBus::MultiHandler::BusIsConnectedId(entity->GetId()), "Entity already in context.");
-        rootSlice->GetComponent()->AddEntity(entity);
-    }
-
-    HandleEntitiesAdded(entities);
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-bool UiEntityContext::CloneUiEntities(const AZStd::vector<AZ::EntityId>& sourceEntities, AzFramework::EntityContext::EntityList& resultEntities)
-{
-    resultEntities.clear();
-
-    AZ::PrefabComponent::InstantiatedContainer sourceObjects;
-    for (const AZ::EntityId& id : sourceEntities)
-    {
-        AZ::Entity* entity = nullptr;
-        EBUS_EVENT_RESULT(entity, AZ::ComponentApplicationBus, FindEntity, id);
-        if (entity)
-        {
-            sourceObjects.m_entities.push_back(entity);
-        }
-    }
-
-    AZ::PrefabComponent::EntityIdToEntityIdMap idMap;
-    AZ::PrefabComponent::InstantiatedContainer* clonedObjects =
-        AZ::Utils::CloneObjectAndFixEntities(&sourceObjects, idMap);
-    if (!clonedObjects)
-    {
-        AZ_Error("UiEntityContext", false, "Failed to clone source entities.");
-        return false;
-    }
-
-    resultEntities = clonedObjects->m_entities;
-
-    AddUiEntities(resultEntities);
-
-    sourceObjects.m_entities.clear();
-    clonedObjects->m_entities.clear();
-    delete clonedObjects;
-
-    return true;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-bool UiEntityContext::DestroyUiEntity(AZ::EntityId entityId)
-{
-    if (DestroyEntity(entityId))
-    {
-        return true;
-    }
-
-    return false;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-bool UiEntityContext::HandleLoadedRootSliceEntity(AZ::Entity* rootEntity, bool remapIds, AZ::PrefabComponent::EntityIdToEntityIdMap* idRemapTable)
-{
-    AZ_Assert(m_rootAsset, "The context has not been initialized.");
-
-    if (!AzFramework::EntityContext::HandleLoadedRootSliceEntity(rootEntity, remapIds, idRemapTable))
-    {
-        return false;
-    }
-
-    AZ::PrefabComponent::EntityList entities;
-    GetRootSlice()->GetEntities(entities);
-
-    GetRootSlice()->SetIsDynamic(true);
-
-    InitializeEntities(entities);
-
-    return true;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::OnContextEntitiesAdded(const AzFramework::EntityContext::EntityList& entities)
-{
-    EntityContext::OnContextEntitiesAdded(entities);
-
-    InitializeEntities(entities);
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::OnContextEntityRemoved(const AZ::EntityId& entityId)
-{
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::SetupUiEntity(AZ::Entity* entity)
-{
-    InitializeEntities({ entity });
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-void UiEntityContext::InitializeEntities(const AzFramework::EntityContext::EntityList& entities)
-{
-    // UI entities are now automatically activated on creation
-
-    for (AZ::Entity* entity : entities)
-    {
-        if (entity->GetState() == AZ::Entity::ES_CONSTRUCTED)
-        {
-            entity->Init();
-        }
-    }
-
-    for (AZ::Entity* entity : entities)
-    {
-        if (entity->GetState() == AZ::Entity::ES_INIT)
-        {
-            entity->Activate();
-        }
-    }
-}