diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index b5bdb3705..9338407b9 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -67,8 +67,6 @@ set(libdevilutionx_SRCS
   controls/modifier_hints.cpp
   controls/plrctrls.cpp
 
-  DiabloUI/art.cpp
-  DiabloUI/art_draw.cpp
   DiabloUI/button.cpp
   DiabloUI/credits.cpp
   DiabloUI/credits_lines.cpp
diff --git a/Source/DiabloUI/art.cpp b/Source/DiabloUI/art.cpp
deleted file mode 100644
index a9f3bf9f7..000000000
--- a/Source/DiabloUI/art.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#include "DiabloUI/art.h"
-
-#include <cstddef>
-#include <cstdint>
-#include <memory>
-
-#include "engine/assets.hpp"
-#include "utils/display.h"
-#include "utils/log.hpp"
-#include "utils/pcx.hpp"
-#include "utils/sdl_compat.h"
-#include "utils/sdl_wrap.h"
-
-namespace devilution {
-namespace {
-
-Uint32 GetPcxSdlPixelFormat(unsigned bpp)
-{
-	switch (bpp) {
-	case 8: // NOLINT(readability-magic-numbers)
-		return SDL_PIXELFORMAT_INDEX8;
-	case 24: // NOLINT(readability-magic-numbers)
-		return SDL_PIXELFORMAT_RGB888;
-	case 32: // NOLINT(readability-magic-numbers)
-		return SDL_PIXELFORMAT_RGBA8888;
-	default:
-		return 0;
-	}
-}
-
-} // namespace
-
-void LoadArt(const char *pszFile, Art *art, int frames, SDL_Color *pPalette, const std::array<uint8_t, 256> *colorMapping)
-{
-	if (art == nullptr || art->surface != nullptr)
-		return;
-
-	art->frames = frames;
-
-	int width;
-	int height;
-	std::uint8_t bpp;
-	SDL_RWops *handle = OpenAsset(pszFile);
-	if (handle == nullptr) {
-		return;
-	}
-
-	if (!LoadPcxMeta(handle, width, height, bpp)) {
-		Log("LoadArt(\"{}\"): LoadPcxMeta failed with code {}", pszFile, SDL_GetError());
-		SDL_RWclose(handle);
-		return;
-	}
-
-	SDLSurfaceUniquePtr artSurface = SDLWrap::CreateRGBSurfaceWithFormat(SDL_SWSURFACE, width, height, bpp, GetPcxSdlPixelFormat(bpp));
-	if (!LoadPcxPixelsAndPalette(handle, width, height, bpp, static_cast<uint8_t *>(artSurface->pixels),
-	        artSurface->pitch, pPalette)) {
-		Log("LoadArt(\"{}\"): LoadPcxPixelsAndPalette failed with code {}", pszFile, SDL_GetError());
-		SDL_RWclose(handle);
-		return;
-	}
-	SDL_RWclose(handle);
-
-	if (colorMapping != nullptr) {
-		for (int i = 0; i < artSurface->h * artSurface->pitch; i++) {
-			auto &pixel = static_cast<uint8_t *>(artSurface->pixels)[i];
-			pixel = (*colorMapping)[pixel];
-		}
-	}
-
-	art->logical_width = artSurface->w;
-	art->frame_height = height / frames;
-
-	art->surface = ScaleSurfaceToOutput(std::move(artSurface));
-}
-
-void LoadMaskedArt(const char *pszFile, Art *art, int frames, int mask, const std::array<uint8_t, 256> *colorMapping)
-{
-	LoadArt(pszFile, art, frames, nullptr, colorMapping);
-	if (art->surface != nullptr)
-		SDLC_SetColorKey(art->surface.get(), mask);
-}
-
-} // namespace devilution
diff --git a/Source/DiabloUI/art.h b/Source/DiabloUI/art.h
deleted file mode 100644
index 3827a69f8..000000000
--- a/Source/DiabloUI/art.h
+++ /dev/null
@@ -1,57 +0,0 @@
-#pragma once
-
-#include <array>
-#include <cstdint>
-
-#include "utils/sdl_ptrs.h"
-
-namespace devilution {
-
-struct Art {
-	SDLSurfaceUniquePtr surface;
-	int frames;
-	int logical_width;
-	int frame_height;
-	unsigned int palette_version;
-
-#ifndef USE_SDL1
-	SDLTextureUniquePtr texture;
-#endif
-
-	Art()
-	{
-		surface = nullptr;
-		frames = 1;
-		logical_width = 0;
-		frame_height = 0; // logical frame height (before scaling)
-		palette_version = 0;
-
-#ifndef USE_SDL1
-		texture = nullptr;
-#endif
-	}
-
-	int w() const
-	{
-		return logical_width;
-	}
-
-	int h() const
-	{
-		return frame_height;
-	}
-
-	void Unload()
-	{
-		surface = nullptr;
-
-#ifndef USE_SDL1
-		texture = nullptr;
-#endif
-	}
-};
-
-void LoadArt(const char *pszFile, Art *art, int frames = 1, SDL_Color *pPalette = nullptr, const std::array<uint8_t, 256> *colorMapping = nullptr);
-void LoadMaskedArt(const char *pszFile, Art *art, int frames = 1, int mask = 250, const std::array<uint8_t, 256> *colorMapping = nullptr);
-
-} // namespace devilution
diff --git a/Source/DiabloUI/art_draw.cpp b/Source/DiabloUI/art_draw.cpp
deleted file mode 100644
index 7b2a9dc37..000000000
--- a/Source/DiabloUI/art_draw.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-#include "DiabloUI/art_draw.h"
-
-#include "DiabloUI/diabloui.h"
-#include "engine/palette.h"
-#include "utils/display.h"
-#include "utils/sdl_compat.h"
-
-namespace devilution {
-
-void UpdatePalette(Art *art, const SDL_Surface *output)
-{
-	if (art->surface->format->BitsPerPixel != 8)
-		return;
-
-	if (art->palette_version == pal_surface_palette_version)
-		return;
-
-	if (output == nullptr || output->format->BitsPerPixel != 8)
-		output = PalSurface;
-
-	if (SDLC_SetSurfaceColors(art->surface.get(), output->format->palette) <= -1)
-		ErrSdl();
-
-	art->palette_version = pal_surface_palette_version;
-}
-
-void DrawArt(Point screenPosition, Art *art, int nFrame, Uint16 srcW, Uint16 srcH)
-{
-	if (art->surface == nullptr || screenPosition.y >= gnScreenHeight || screenPosition.x >= gnScreenWidth)
-		return;
-
-	SDL_Rect srcRect = MakeSdlRect(0, nFrame * art->h(), art->w(), art->h());
-
-	ScaleOutputRect(&srcRect);
-
-	if (srcW != 0 && srcW < srcRect.w)
-		srcRect.w = srcW;
-	if (srcH != 0 && srcH < srcRect.h)
-		srcRect.h = srcH;
-
-	if (screenPosition.x + srcRect.w <= 0 || screenPosition.y + srcRect.h <= 0)
-		return;
-
-	SDL_Rect dstRect = MakeSdlRect(screenPosition.x, screenPosition.y, srcRect.w, srcRect.h);
-	ScaleOutputRect(&dstRect);
-
-	UpdatePalette(art);
-
-	if (SDL_BlitSurface(art->surface.get(), &srcRect, DiabloUiSurface(), &dstRect) < 0)
-		ErrSdl();
-}
-
-int GetAnimationFrame(int frames, int fps)
-{
-	int frame = (SDL_GetTicks() / fps) % frames;
-
-	return frame > frames ? 0 : frame;
-}
-
-} // namespace devilution
diff --git a/Source/DiabloUI/art_draw.h b/Source/DiabloUI/art_draw.h
deleted file mode 100644
index 0602563b9..000000000
--- a/Source/DiabloUI/art_draw.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#pragma once
-
-#include "DiabloUI/art.h"
-#include "engine.h"
-
-namespace devilution {
-
-void UpdatePalette(Art *art, const SDL_Surface *output = nullptr);
-
-void DrawArt(Point screenPosition, Art *art, int nFrame = 0, Uint16 srcW = 0, Uint16 srcH = 0);
-
-int GetAnimationFrame(int frames, int fps = 60);
-
-} // namespace devilution
diff --git a/Source/DiabloUI/credits.cpp b/Source/DiabloUI/credits.cpp
index ff018e522..74c8143f0 100644
--- a/Source/DiabloUI/credits.cpp
+++ b/Source/DiabloUI/credits.cpp
@@ -2,8 +2,6 @@
 #include <memory>
 #include <vector>
 
-#include "DiabloUI/art.h"
-#include "DiabloUI/art_draw.h"
 #include "DiabloUI/credits_lines.h"
 #include "DiabloUI/diabloui.h"
 #include "DiabloUI/support_lines.h"
diff --git a/Source/DiabloUI/diabloui.cpp b/Source/DiabloUI/diabloui.cpp
index 37a5f48c0..069118e70 100644
--- a/Source/DiabloUI/diabloui.cpp
+++ b/Source/DiabloUI/diabloui.cpp
@@ -3,7 +3,6 @@
 #include <algorithm>
 #include <string>
 
-#include "DiabloUI/art_draw.h"
 #include "DiabloUI/button.h"
 #include "DiabloUI/dialogs.h"
 #include "DiabloUI/scrollbar.h"
diff --git a/Source/DiabloUI/diabloui.h b/Source/DiabloUI/diabloui.h
index eca247a83..b467a8e91 100644
--- a/Source/DiabloUI/diabloui.h
+++ b/Source/DiabloUI/diabloui.h
@@ -5,7 +5,6 @@
 #include <cstddef>
 #include <cstdint>
 
-#include "DiabloUI/art.h"
 #include "DiabloUI/ui_item.h"
 #include "engine/clx_sprite.hpp"
 #include "player.h"
diff --git a/Source/DiabloUI/progress.cpp b/Source/DiabloUI/progress.cpp
index d6c8a8def..9e1e50b56 100644
--- a/Source/DiabloUI/progress.cpp
+++ b/Source/DiabloUI/progress.cpp
@@ -1,6 +1,5 @@
 #include <SDL.h>
 
-#include "DiabloUI/art_draw.h"
 #include "DiabloUI/button.h"
 #include "DiabloUI/diabloui.h"
 #include "control.h"
diff --git a/Source/DiabloUI/ui_item.h b/Source/DiabloUI/ui_item.h
index d49cab33b..771209161 100644
--- a/Source/DiabloUI/ui_item.h
+++ b/Source/DiabloUI/ui_item.h
@@ -5,7 +5,6 @@
 #include <string>
 #include <vector>
 
-#include "DiabloUI/art.h"
 #include "DiabloUI/ui_flags.hpp"
 #include "engine/clx_sprite.hpp"
 #include "engine/render/text_render.hpp"
diff --git a/Source/cursor.cpp b/Source/cursor.cpp
index 8d024f0f5..7f911750f 100644
--- a/Source/cursor.cpp
+++ b/Source/cursor.cpp
@@ -7,7 +7,6 @@
 
 #include <fmt/format.h>
 
-#include "DiabloUI/art.h"
 #include "DiabloUI/diabloui.h"
 #include "control.h"
 #include "controls/plrctrls.h"
diff --git a/Source/engine.h b/Source/engine.h
index 50bb08035..cf464bf57 100644
--- a/Source/engine.h
+++ b/Source/engine.h
@@ -119,4 +119,10 @@ Direction GetDirection(Point start, Point destination);
  */
 int CalculateWidth2(int width);
 
+inline int GetAnimationFrame(int frames, int fps = 60)
+{
+	int frame = (SDL_GetTicks() / fps) % frames;
+	return frame > frames ? 0 : frame;
+}
+
 } // namespace devilution
diff --git a/Source/engine/render/text_render.cpp b/Source/engine/render/text_render.cpp
index 9ceb290f4..280d09136 100644
--- a/Source/engine/render/text_render.cpp
+++ b/Source/engine/render/text_render.cpp
@@ -12,7 +12,6 @@
 
 #include <fmt/compile.h>
 
-#include "DiabloUI/art_draw.h"
 #include "DiabloUI/diabloui.h"
 #include "DiabloUI/ui_item.h"
 #include "engine.h"
diff --git a/Source/utils/pcx.cpp b/Source/utils/pcx.cpp
index 993f26466..ed572a70f 100644
--- a/Source/utils/pcx.cpp
+++ b/Source/utils/pcx.cpp
@@ -26,62 +26,4 @@ bool LoadPcxMeta(SDL_RWops *handle, int &width, int &height, uint8_t &bpp)
 	return true;
 }
 
-bool LoadPcxPixelsAndPalette(SDL_RWops *handle, int width, int height, std::uint8_t bpp,
-    uint8_t *buffer, std::ptrdiff_t bufferPitch, SDL_Color *palette)
-{
-	std::ptrdiff_t pixelDataSize = SDL_RWsize(handle);
-	if (pixelDataSize < 0) {
-		// Unable to determine size, or an error occurred.
-		return false;
-	}
-
-	// SDL_RWsize gives the total size of the file however we've already read the header from an earlier call to
-	//  LoadPcxMeta, so we only need to read the remainder of the file.
-	const std::size_t readSize = pixelDataSize - PcxHeaderSize;
-	std::unique_ptr<uint8_t[]> fileBuffer { new uint8_t[readSize] };
-	if (SDL_RWread(handle, fileBuffer.get(), readSize, 1) == 0) {
-		return false;
-	}
-	const std::ptrdiff_t xSkip = bufferPitch - width;
-	const std::ptrdiff_t srcSkip = width % 2;
-	uint8_t *dataPtr = fileBuffer.get();
-	for (int j = 0; j < height; j++) {
-		for (int x = 0; x < width;) {
-			constexpr std::uint8_t PcxMaxSinglePixel = 0xBF;
-			const std::uint8_t byte = *dataPtr++;
-			if (byte <= PcxMaxSinglePixel) {
-				*buffer++ = byte;
-				++x;
-				continue;
-			}
-			constexpr std::uint8_t PcxRunLengthMask = 0x3F;
-			const std::uint8_t runLength = (byte & PcxRunLengthMask);
-			std::memset(buffer, *dataPtr++, runLength);
-			buffer += runLength;
-			x += runLength;
-		}
-		dataPtr += srcSkip;
-		buffer += xSkip;
-	}
-
-	if (palette != nullptr && bpp == 8) {
-		// The file has a 256 color palette that needs to be loaded.
-		[[maybe_unused]] constexpr unsigned PcxPaletteSeparator = 0x0C;
-		assert(*dataPtr == PcxPaletteSeparator); // sanity check the delimiter
-		++dataPtr;
-
-		auto *out = palette;
-		for (unsigned i = 0; i < NumPaletteColors; ++i) {
-			out->r = *dataPtr++;
-			out->g = *dataPtr++;
-			out->b = *dataPtr++;
-#ifndef USE_SDL1
-			out->a = SDL_ALPHA_OPAQUE;
-#endif
-			++out;
-		}
-	}
-	return true;
-}
-
 } // namespace devilution
diff --git a/Source/utils/pcx.hpp b/Source/utils/pcx.hpp
index 0d7eae89f..3e9157006 100644
--- a/Source/utils/pcx.hpp
+++ b/Source/utils/pcx.hpp
@@ -31,7 +31,5 @@ struct PCXHeader {
 static constexpr size_t PcxHeaderSize = 128;
 
 bool LoadPcxMeta(SDL_RWops *handle, int &width, int &height, uint8_t &bpp);
-bool LoadPcxPixelsAndPalette(SDL_RWops *handle, int width, int height, std::uint8_t bpp,
-    uint8_t *buffer, std::ptrdiff_t bufferPitch, SDL_Color *palette);
 
 } // namespace devilution