diff --git a/src/engine/animation/bone.hpp b/src/engine/animation/bone.hpp
deleted file mode 100644
index f3e696d..0000000
--- a/src/engine/animation/bone.hpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2023 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see .
- */
-
-#ifndef ANTKEEPER_ANIMATION_BONE_HPP
-#define ANTKEEPER_ANIMATION_BONE_HPP
-
-#include
-
-/**
- * Skeletal animation bone identifier, consisting of a bone index in the lower half, and a parent bone index in the upper half.
- */
-using bone = std::uint32_t;
-
-/// Mask to extract the index of a bone.
-inline constexpr bone bone_index_mask = 0xffff;
-
-/**
- * Bone index comparison function object.
- */
-struct bone_index_compare
-{
- /**
- * Compares the indices of two bones.
- *
- * @param lhs First bone.
- * @param rhs Second bone.
- *
- * @return Comparison result.
- */
- [[nodiscard]] inline bool operator()(const bone& lhs, const bone& rhs) const noexcept
- {
- return (lhs & bone_index_mask) < (rhs & bone_index_mask);
- }
-};
-
-/**
- * Constructs a bone identifier.
- *
- * @param index Index of the bone.
- * @param parent_index Index of the parent bone.
- *
- * @return Bone identifier.
- */
-[[nodiscard]] inline bone make_bone(std::uint16_t index, std::uint16_t parent_index) noexcept
-{
- return (static_cast(parent_index) << 16) | index;
-}
-
-/**
- * Sets the parent of a bone.
- *
- * @param[out] child Bone to reparent.
- * @param[in] parent New parent bone.
- */
-inline void reparent_bone(bone& child, bone parent) noexcept
-{
- child = ((parent & bone_index_mask) << 16) | (child & bone_index_mask);
-}
-
-/**
- * Constructs an orphan bone identifier.
- *
- * @param index Index of the orphan bone.
- *
- * @return Orphan bone identifier.
- */
-[[nodiscard]] inline bone make_bone(std::uint16_t index) noexcept
-{
- return make_bone(index, index);
-}
-
-/**
- * Returns the index of a bone.
- *
- * @param x Bone identifier.
- *
- * @return Index of the bone.
- */
-[[nodiscard]] inline std::uint16_t bone_index(bone x) noexcept
-{
- return static_cast(x & bone_index_mask);
-}
-
-/**
- * Returns the parent index of a bone.
- *
- * @param x Bone identifier.
- *
- * @return Index of the parent bone.
- */
-[[nodiscard]] inline std::uint16_t bone_parent_index(bone x) noexcept
-{
- return static_cast(x >> 16);
-}
-
-/**
- * Returns `true` if a bone has a parent, `false` otherwise.
- *
- * @param x Bone identifier.
- *
- * @return Bone parent status.
- */
-[[nodiscard]] inline bool bone_has_parent(bone x) noexcept
-{
- return (x & bone_index_mask) != (x >> 16);
-}
-
-#endif // ANTKEEPER_ANIMATION_BONE_HPP
diff --git a/src/engine/animation/pose.cpp b/src/engine/animation/pose.cpp
deleted file mode 100644
index 2684d61..0000000
--- a/src/engine/animation/pose.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2023 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see .
- */
-
-#include
-
-void concatenate(const pose& bone_space, pose& skeleton_space)
-{
- for (auto&& [bone, transform]: bone_space)
- {
- auto parent_index = bone_parent_index(bone);
-
- if (parent_index != bone_index(bone))
- {
- auto parent = skeleton_space.find(parent_index);
- skeleton_space[bone] = (parent != skeleton_space.end()) ? parent->second * transform : transform;
- }
- else
- {
- skeleton_space[bone] = transform;
- }
- }
-}
-
-void inverse(const pose& x, pose& y)
-{
- for (auto&& [bone, transform]: x)
- {
- y[bone] = math::inverse(transform);
- }
-}
-
-void matrix_palette(const pose& inverse_bind_pose, const pose& pose, float4x4* palette)
-{
- for (auto&& [bone, transform]: pose)
- {
- auto index = ::bone_index(bone);
- palette[index] = (inverse_bind_pose.at(bone) * transform).matrix();
- }
-}
diff --git a/src/engine/animation/pose.hpp b/src/engine/animation/pose.hpp
deleted file mode 100644
index 671f4d6..0000000
--- a/src/engine/animation/pose.hpp
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2023 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see .
- */
-
-#ifndef ANTKEEPER_ANIMATION_POSE_HPP
-#define ANTKEEPER_ANIMATION_POSE_HPP
-
-#include
-#include
-#include
-#include