diff --git a/src/realm/object-store/CMakeLists.txt b/src/realm/object-store/CMakeLists.txt
index 16e4ba2607..b04deb6008 100644
--- a/src/realm/object-store/CMakeLists.txt
+++ b/src/realm/object-store/CMakeLists.txt
@@ -37,7 +37,6 @@ set(SOURCES
 
 set(HEADERS
     audit.hpp
-    audit_serializer.hpp
     binding_context.hpp
     collection.hpp
     collection_notifications.hpp
diff --git a/src/realm/object-store/audit_serializer.hpp b/src/realm/object-store/audit_serializer.hpp
deleted file mode 100644
index 6c6b2a1fe3..0000000000
--- a/src/realm/object-store/audit_serializer.hpp
+++ /dev/null
@@ -1,74 +0,0 @@
-////////////////////////////////////////////////////////////////////////////
-//
-// Copyright 2022 Realm Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-////////////////////////////////////////////////////////////////////////////
-
-#include <realm/keys.hpp>
-#include <realm/mixed.hpp>
-#include <realm/version_id.hpp>
-
-#include <external/json/json.hpp>
-
-namespace realm {
-class AuditObjectSerializer {
-public:
-    // Write the object to `out`. This is the main override point for subclasses
-    // which wish to customize the conversion to json.
-    virtual void to_json(nlohmann::json& out, const Obj&);
-    // Called at the end up each audit scope processed
-    virtual void scope_complete() {}
-
-    virtual ~AuditObjectSerializer() = default;
-
-    // Things called by the Audit framework which probably don't make sense
-    // to use elsewhere.
-    void link_accessed(VersionID, TableKey, ObjKey, ColKey);
-    void set_event_index(size_t index) noexcept
-    {
-        m_index = index;
-    }
-    void set_version(VersionID version) noexcept
-    {
-        m_version = version;
-    }
-    void sort_link_accesses() noexcept;
-    void reset_link_accesses() noexcept;
-
-protected:
-    // Populate `field` with the value read from `col` on `obj` using the
-    // default json serialization.
-    bool get_field(nlohmann::json& field, const Obj& obj, ColKey col);
-    // Populate `field` with the value `value which was read from `col` on `obj`
-    // using the default json serialization.
-    bool get_field(nlohmann::json& field, const Obj& obj, ColKey col, Mixed const& value);
-    // Returns true if the link column `col` on `obj` was accessed in the
-    // read transaction version `version`.
-    bool accessed_link(uint_fast64_t version, const Obj& obj, ColKey col) const noexcept;
-
-private:
-    struct LinkAccess {
-        uint_fast64_t version;
-        TableKey table;
-        ObjKey obj;
-        ColKey col;
-        size_t event_ndx;
-    };
-    std::vector<LinkAccess> m_accessed_links;
-    VersionID m_version;
-    size_t m_index = 0;
-};
-
-} // namespace realm