diff --git a/manuals/api.md b/manuals/api.md
index 4907460..25e7c9a 100644
--- a/manuals/api.md
+++ b/manuals/api.md
@@ -5,8 +5,6 @@
   - [Binds](#binds)
     - [Classes](#classes-1)
     - [Functions](#functions-1)
-  - [Indices](#indices)
-    - [Classes](#classes-2)
   - [Invoke](#invoke)
     - [Functions](#functions-2)
   - [Policies](#policies)
@@ -14,9 +12,9 @@
   - [Registry](#registry)
     - [Functions](#functions-3)
   - [States](#states)
-    - [Classes](#classes-3)
+    - [Classes](#classes-2)
   - [Types](#types)
-    - [Classes](#classes-4)
+    - [Classes](#classes-3)
     - [Enumerations](#enumerations)
 
 # API Reference
@@ -82,22 +80,6 @@
 | [arguments_](./api/binds.md#arguments_)       | arguments_    |
 | [metadata_](./api/binds.md#metadata_)         | metadata_     |
 
-## Indices
-
-### Classes
-
-|                                                         |                   |
-| ------------------------------------------------------- | ----------------- |
-| [argument_index](./api/indices.md#argument_index)       | argument_index    |
-| [constructor_index](./api/indices.md#constructor_index) | constructor_index |
-| [destructor_index](./api/indices.md#destructor_index)   | destructor_index  |
-| [evalue_index](./api/indices.md#evalue_index)           | evalue_index      |
-| [function_index](./api/indices.md#function_index)       | function_index    |
-| [member_index](./api/indices.md#member_index)           | member_index      |
-| [method_index](./api/indices.md#method_index)           | method_index      |
-| [scope_index](./api/indices.md#scope_index)             | scope_index       |
-| [variable_index](./api/indices.md#variable_index)       | variable_index    |
-
 ## Invoke
 
 ### Functions
diff --git a/manuals/api/indices.md b/manuals/api/indices.md
deleted file mode 100644
index 1615e19..0000000
--- a/manuals/api/indices.md
+++ /dev/null
@@ -1,176 +0,0 @@
-- [API Indices](#api-indices)
-  - [Classes](#classes)
-    - [argument\_index](#argument_index)
-    - [constructor\_index](#constructor_index)
-    - [destructor\_index](#destructor_index)
-    - [evalue\_index](#evalue_index)
-    - [function\_index](#function_index)
-    - [member\_index](#member_index)
-    - [method\_index](#method_index)
-    - [scope\_index](#scope_index)
-    - [variable\_index](#variable_index)
-
-# API Indices
-
-## Classes
-
-### argument_index
-
-```cpp
-class argument_index final {
-public:
-    argument_index() = delete;
-    explicit argument_index(any_type type, std::size_t position);
-
-    any_type get_type() const noexcept;
-    std::size_t get_position() const noexcept;
-
-    void swap(argument_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const argument_index&) const = default;
-};
-```
-
-### constructor_index
-
-```cpp
-class constructor_index final {
-public:
-    constructor_index() = delete;
-    explicit constructor_index(constructor_type type);
-
-    constructor_type get_type() const noexcept;
-
-    void swap(constructor_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const constructor_index&) const = default;
-};
-```
-
-### destructor_index
-
-```cpp
-class destructor_index final {
-public:
-    destructor_index() = delete;
-    explicit destructor_index(destructor_type type);
-
-    destructor_type get_type() const noexcept;
-
-    void swap(destructor_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const destructor_index&) const = default;
-};
-```
-
-### evalue_index
-
-```cpp
-class evalue_index final {
-public:
-    evalue_index() = delete;
-    explicit evalue_index(enum_type type, std::string name);
-
-    enum_type get_type() const noexcept;
-
-    std::string get_name() && noexcept;
-    const std::string& get_name() const& noexcept;
-
-    void swap(evalue_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const evalue_index&) const = default;
-};
-```
-
-### function_index
-
-```cpp
-class function_index final {
-public:
-    function_index() = delete;
-    explicit function_index(function_type type, std::string name);
-
-    function_type get_type() const noexcept;
-
-    std::string get_name() && noexcept;
-    const std::string& get_name() const& noexcept;
-
-    void swap(function_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const function_index&) const = default;
-};
-```
-
-### member_index
-
-```cpp
-class member_index final {
-public:
-    member_index() = delete;
-    explicit member_index(member_type type, std::string name);
-
-    member_type get_type() const noexcept;
-
-    std::string get_name() && noexcept;
-    const std::string& get_name() const& noexcept;
-
-    void swap(member_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const member_index&) const = default;
-};
-```
-
-### method_index
-
-```cpp
-class method_index final {
-public:
-    method_index() = delete;
-    explicit method_index(method_type type, std::string name);
-
-    method_type get_type() const noexcept;
-
-    std::string get_name() && noexcept;
-    const std::string& get_name() const& noexcept;
-
-    void swap(method_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const method_index&) const = default;
-};
-```
-
-### scope_index
-
-```cpp
-class scope_index final {
-public:
-    scope_index() = delete;
-    explicit scope_index(std::string name);
-
-    std::string get_name() && noexcept;
-    const std::string& get_name() const& noexcept;
-
-    void swap(scope_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const scope_index&) const = default;
-};
-```
-
-### variable_index
-
-```cpp
-class variable_index final {
-public:
-    variable_index() = delete;
-    explicit variable_index(pointer_type type, std::string name);
-
-    pointer_type get_type() const noexcept;
-
-    std::string get_name() && noexcept;
-    const std::string& get_name() const& noexcept;
-
-    void swap(variable_index& other) noexcept;
-    std::size_t get_hash() const noexcept;
-    std::strong_ordering operator<=>(const variable_index&) const = default;
-};
-```