diff --git a/Source/init.cpp b/Source/init.cpp
index e7a81a74f..25953bc7a 100644
--- a/Source/init.cpp
+++ b/Source/init.cpp
@@ -16,6 +16,7 @@
 #include "dx.h"
 #include "pfile.h"
 #include "storm/storm.h"
+#include "storm/storm_sdl_rw.h"
 #include "utils/language.h"
 #include "utils/log.hpp"
 #include "utils/paths.h"
@@ -189,10 +190,10 @@ void init_archives()
 		if (spawn_mpq != nullptr)
 			gbIsSpawn = true;
 	}
-	HANDLE fh = nullptr;
-	if (!SFileOpenFile("ui_art\\title.pcx", &fh))
+	SDL_RWops *handle = SFileOpenRw("ui_art\\title.pcx");
+	if (handle == nullptr)
 		InsertCDDlg();
-	SFileCloseFileThreadSafe(fh);
+	SDL_RWclose(handle);
 
 	patch_rt_mpq = LoadMPQ(paths, "patch_rt.mpq");
 	if (patch_rt_mpq == nullptr)
diff --git a/Source/sound.cpp b/Source/sound.cpp
index 4538c648b..2a2b11610 100644
--- a/Source/sound.cpp
+++ b/Source/sound.cpp
@@ -18,7 +18,6 @@
 
 #include "init.h"
 #include "options.h"
-#include "storm/storm.h"
 #include "storm/storm_sdl_rw.h"
 #include "utils/log.hpp"
 #include "utils/math.h"
@@ -46,19 +45,17 @@ std::optional<Aulib::Stream> music;
 std::unique_ptr<char[]> musicBuffer;
 #endif
 
-void LoadMusic(HANDLE handle)
+void LoadMusic(SDL_RWops *handle)
 {
-#ifndef DISABLE_STREAMING_MUSIC
-	SDL_RWops *musicRw = SFileRw_FromStormHandle(handle);
-#else
-	size_t bytestoread = SFileGetFileSize(handle);
+#ifdef DISABLE_STREAMING_MUSIC
+	size_t bytestoread = SDL_RWsize(handle);
 	musicBuffer.reset(new char[bytestoread]);
-	SFileReadFileThreadSafe(handle, musicBuffer.get(), bytestoread);
-	SFileCloseFileThreadSafe(handle);
+	SDL_RWread(handle, musicBuffer.get(), bytestoread, 1);
+	SDL_RWclose(handle);
 
-	SDL_RWops *musicRw = SDL_RWFromConstMem(musicBuffer.get(), bytestoread);
+	handle = SDL_RWFromConstMem(musicBuffer.get(), bytestoread);
 #endif
-	music.emplace(musicRw, std::make_unique<Aulib::DecoderDrwav>(),
+	music.emplace(handle, std::make_unique<Aulib::DecoderDrwav>(),
 	    std::make_unique<Aulib::ResamplerSpeex>(sgOptions.Audio.nResamplingQuality), /*closeRw=*/true);
 }
 
@@ -166,15 +163,15 @@ std::unique_ptr<TSnd> sound_file_load(const char *path, bool stream)
 		}
 #ifndef STREAM_ALL_AUDIO
 	} else {
-		HANDLE file;
-		if (!SFileOpenFile(path, &file)) {
+		SDL_RWops *file = SFileOpenRw(path);
+		if (path == nullptr) {
 			ErrDlg("SFileOpenFile failed", path, __FILE__, __LINE__);
 		}
-		size_t dwBytes = SFileGetFileSize(file);
+		size_t dwBytes = SDL_RWsize(file);
 		auto waveFile = MakeArraySharedPtr<std::uint8_t>(dwBytes);
-		SFileReadFileThreadSafe(file, waveFile.get(), dwBytes);
+		SDL_RWread(file, waveFile.get(), dwBytes, 1);
 		int error = snd->DSB.SetChunk(waveFile, dwBytes);
-		SFileCloseFileThreadSafe(file);
+		SDL_RWclose(file);
 		if (error != 0) {
 			ErrSdl();
 		}
@@ -231,7 +228,6 @@ void music_stop()
 
 void music_start(uint8_t nTrack)
 {
-	bool success;
 	const char *trackPath;
 
 	assert(nTrack < NUM_MUSIC);
@@ -241,11 +237,9 @@ void music_start(uint8_t nTrack)
 			trackPath = SpawnMusicTracks[nTrack];
 		else
 			trackPath = MusicTracks[nTrack];
-		HANDLE handle;
-		success = SFileOpenFile(trackPath, &handle);
-		if (!success) {
-			handle = nullptr;
-		} else {
+
+		SDL_RWops *handle = SFileOpenRw(trackPath);
+		if (handle != nullptr) {
 			LoadMusic(handle);
 			if (!music->open()) {
 				LogError(LogCategory::Audio, "Aulib::Stream::open (from music_start): {}", SDL_GetError());
diff --git a/Source/storm/storm_file_wrapper.cpp b/Source/storm/storm_file_wrapper.cpp
index c1befa51f..ecf1f84ec 100644
--- a/Source/storm/storm_file_wrapper.cpp
+++ b/Source/storm/storm_file_wrapper.cpp
@@ -2,7 +2,6 @@
 
 #ifdef DEVILUTIONX_STORM_FILE_WRAPPER_AVAILABLE
 
-#include "storm/storm.h"
 #include "utils/log.hpp"
 
 namespace devilution {
@@ -12,14 +11,11 @@ extern "C" {
 
 ssize_t SFileCookieRead(void *cookie, char *buf, size_t nbytes)
 {
-	size_t numRead = 0;
-	if (!SFileReadFileThreadSafe(static_cast<HANDLE>(cookie), buf, nbytes, &numRead)) {
-		const auto errCode = SErrGetLastError();
-		if (errCode != STORM_ERROR_HANDLE_EOF) {
-			Log("SFileRwRead error: {} ERROR CODE {}", (unsigned int)nbytes, (unsigned int)errCode);
-		}
+	size_t numRead = SDL_RWread(static_cast<SDL_RWops *>(cookie), buf, nbytes, 1);
+	if (numRead == 0) {
+		Log("SDL_RWread error: {} ERROR CODE {}", SDL_GetError(), numRead);
 	}
-	return numRead;
+	return numRead * nbytes;
 }
 
 int SFileCookieSeek(void *cookie, off64_t *pos, int whence)
@@ -27,20 +23,20 @@ int SFileCookieSeek(void *cookie, off64_t *pos, int whence)
 	int swhence;
 	switch (whence) {
 	case SEEK_SET:
-		swhence = DVL_FILE_BEGIN;
+		swhence = RW_SEEK_SET;
 		break;
 	case SEEK_CUR:
-		swhence = DVL_FILE_CURRENT;
+		swhence = RW_SEEK_CUR;
 		break;
 	case SEEK_END:
-		swhence = DVL_FILE_END;
+		swhence = RW_SEEK_END;
 		break;
 	default:
 		return -1;
 	}
-	const std::uint64_t spos = SFileSetFilePointer(static_cast<HANDLE>(cookie), *pos, swhence);
-	if (spos == static_cast<std::uint64_t>(-1)) {
-		Log("SFileRwSeek error: {}", SErrGetLastError());
+	const Sint64 spos = SDL_RWseek(static_cast<SDL_RWops *>(cookie), *pos, swhence);
+	if (spos < 0) {
+		Log("SFileRwSeek error: {}", SDL_GetError());
 		return -1;
 	}
 	*pos = static_cast<off64_t>(spos);
@@ -49,13 +45,13 @@ int SFileCookieSeek(void *cookie, off64_t *pos, int whence)
 
 int SFileCookieClose(void *cookie)
 {
-	return SFileCloseFileThreadSafe(static_cast<HANDLE>(cookie)) ? 0 : -1;
+	return SDL_RWclose(static_cast<SDL_RWops *>(cookie));
 }
 
 } // extern "C"
 #endif
 
-FILE *FILE_FromStormHandle(HANDLE handle)
+FILE *FILE_FromStormHandle(SDL_RWops *handle)
 {
 #ifdef DEVILUTIONX_STORM_FILE_WRAPPER_IMPL_FOPENCOOKIE
 	cookie_io_functions_t ioFns;
diff --git a/Source/storm/storm_file_wrapper.h b/Source/storm/storm_file_wrapper.h
index 3e204cbb3..761846944 100644
--- a/Source/storm/storm_file_wrapper.h
+++ b/Source/storm/storm_file_wrapper.h
@@ -3,14 +3,14 @@
 #if (defined(__linux__) && !defined(__ANDROID__)) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__HAIKU__)
 #include <cstdio>
 
-#include "miniwin/miniwin.h"
+#include "storm/storm_sdl_rw.h"
 
 #define DEVILUTIONX_STORM_FILE_WRAPPER_AVAILABLE
 #define DEVILUTIONX_STORM_FILE_WRAPPER_IMPL_FOPENCOOKIE
 
 namespace devilution {
 
-FILE *FILE_FromStormHandle(HANDLE handle);
+FILE *FILE_FromStormHandle(SDL_RWops *handle);
 
 } // namespace devilution
 
diff --git a/Source/storm/storm_sdl_rw.cpp b/Source/storm/storm_sdl_rw.cpp
index 198c56e49..2a389a44f 100644
--- a/Source/storm/storm_sdl_rw.cpp
+++ b/Source/storm/storm_sdl_rw.cpp
@@ -9,6 +9,8 @@
 
 namespace devilution {
 
+namespace {
+
 static HANDLE SFileRwGetHandle(struct SDL_RWops *context)
 {
 	return (HANDLE)context->hidden.unknown.data1;
@@ -96,6 +98,8 @@ SDL_RWops *SFileRw_FromStormHandle(HANDLE handle)
 	return result;
 }
 
+} // namespace
+
 SDL_RWops *SFileOpenRw(const char *filename)
 {
 #ifdef __ANDROID__
diff --git a/Source/storm/storm_sdl_rw.h b/Source/storm/storm_sdl_rw.h
index 16b800fa8..e3395609d 100644
--- a/Source/storm/storm_sdl_rw.h
+++ b/Source/storm/storm_sdl_rw.h
@@ -2,17 +2,8 @@
 
 #include <SDL.h>
 
-#include "miniwin/miniwin.h"
-
 namespace devilution {
 
-/**
- * @brief Creates a read-only SDL_RWops from a Storm file handle.
- *
- * Closes the handle when it gets closed.
- */
-SDL_RWops *SFileRw_FromStormHandle(HANDLE handle);
-
 /**
  * @brief Opens a Storm file and creates a read-only SDL_RWops from its handle.
  *
diff --git a/Source/storm/storm_svid.cpp b/Source/storm/storm_svid.cpp
index 4fc9c7ed5..e9e73365a 100644
--- a/Source/storm/storm_svid.cpp
+++ b/Source/storm/storm_svid.cpp
@@ -16,7 +16,7 @@
 #include "dx.h"
 #include "options.h"
 #include "palette.h"
-#include "storm/storm.h"
+#include "storm/storm_sdl_rw.h"
 #include "storm/storm_file_wrapper.h"
 #include "utils/display.h"
 #include "utils/log.hpp"
@@ -150,16 +150,15 @@ bool SVidPlayBegin(const char *filename, int flags)
 	//0x800000 // Edge detection
 	//0x200800 // Clear FB
 
-	HANDLE videoStream;
-	SFileOpenFile(filename, &videoStream);
+	SDL_RWops *videoStream = SFileOpenRw(filename);
 #ifdef DEVILUTIONX_STORM_FILE_WRAPPER_AVAILABLE
 	FILE *file = FILE_FromStormHandle(videoStream);
 	SVidSMK = smk_open_filepointer(file, SMK_MODE_DISK);
 #else
-	size_t bytestoread = SFileGetFileSize(videoStream);
+	size_t bytestoread = SDL_RWsize(videoStream);
 	SVidBuffer = std::unique_ptr<uint8_t[]> { new uint8_t[bytestoread] };
-	SFileReadFileThreadSafe(videoStream, SVidBuffer.get(), bytestoread);
-	SFileCloseFileThreadSafe(videoStream);
+	SDL_RWread(videoStream, SVidBuffer.get(), bytestoread, 1);
+	SDL_RWclose(videoStream);
 	SVidSMK = smk_open_memory(SVidBuffer.get(), bytestoread);
 #endif
 	if (SVidSMK == nullptr) {
diff --git a/Source/utils/soundsample.cpp b/Source/utils/soundsample.cpp
index f7771b8e8..d037df26d 100644
--- a/Source/utils/soundsample.cpp
+++ b/Source/utils/soundsample.cpp
@@ -14,7 +14,6 @@
 #endif
 
 #include "options.h"
-#include "storm/storm.h"
 #include "storm/storm_sdl_rw.h"
 #include "utils/log.hpp"
 #include "utils/math.h"
@@ -117,13 +116,13 @@ void SoundSample::Stop()
 int SoundSample::SetChunkStream(std::string filePath)
 {
 	file_path_ = std::move(filePath);
-	HANDLE handle;
-	if (!SFileOpenFile(file_path_.c_str(), &handle)) {
-		LogError(LogCategory::Audio, "SFileOpenFile failed (from SoundSample::SetChunkStream): {}", SErrGetLastError());
+	SDL_RWops *handle = SFileOpenRw(file_path_.c_str());
+	if (handle == nullptr) {
+		LogError(LogCategory::Audio, "SFileOpenRw failed (from SoundSample::SetChunkStream): {}", SDL_GetError());
 		return -1;
 	}
 
-	stream_ = std::make_unique<Aulib::Stream>(SFileRw_FromStormHandle(handle), std::make_unique<Aulib::DecoderDrwav>(),
+	stream_ = std::make_unique<Aulib::Stream>(handle, std::make_unique<Aulib::DecoderDrwav>(),
 	    std::make_unique<Aulib::ResamplerSpeex>(sgOptions.Audio.nResamplingQuality), /*closeRw=*/true);
 	if (!stream_->open()) {
 		stream_ = nullptr;