diff --git a/libgnucash/app-utils/gnc-optiondb-impl.hpp b/libgnucash/app-utils/gnc-optiondb-impl.hpp
index 0a87756bb7..058f308be3 100644
--- a/libgnucash/app-utils/gnc-optiondb-impl.hpp
+++ b/libgnucash/app-utils/gnc-optiondb-impl.hpp
@@ -82,7 +82,6 @@ public:
             func(section);
     }
     size_t num_sections() const noexcept { return m_sections.size(); }
-    void save_to_book(QofBook* book, bool do_clear) const;
     bool get_changed() const noexcept { return m_dirty; }
     void register_option(const char* section, GncOption&& option);
     void unregister_option(const char* section, const char* name);
diff --git a/libgnucash/app-utils/gnc-optiondb.cpp b/libgnucash/app-utils/gnc-optiondb.cpp
index def04f72ab..0aea402c7f 100644
--- a/libgnucash/app-utils/gnc-optiondb.cpp
+++ b/libgnucash/app-utils/gnc-optiondb.cpp
@@ -82,11 +82,6 @@ GncOptionDB::GncOptionDB() : m_default_section{} {}
 
 GncOptionDB::GncOptionDB(QofBook* book) : GncOptionDB() {}
 
-void
-GncOptionDB::save_to_book(QofBook* book, bool do_clear) const
-{
-}
-
 void
 GncOptionDB::register_option(const char* sectname, GncOption&& option)
 {
@@ -1135,7 +1130,8 @@ void
 gnc_option_db_save(GncOptionDB* odb, QofBook* book,
                         gboolean clear_options)
 {
-    odb->save_to_book(book, static_cast<bool>(clear_options));
+    odb->save_to_kvp(book, static_cast<bool>(clear_options));
+}
 }
 
 void