diff --git a/aegisub/libmedia/Makefile b/aegisub/libmedia/Makefile
index 3a32a4d2c..38d5f9226 100644
--- a/aegisub/libmedia/Makefile
+++ b/aegisub/libmedia/Makefile
@@ -27,6 +27,8 @@ SRC = \
 	common/video_frame.cpp \
 	audio/downmix.cpp \
 	audio/convert.cpp \
+	audio/dummy_audio.cpp \
+	audio/pcm.cpp \
 	$(SRC_OPT)
 
 HEADERS = \
diff --git a/aegisub/libmedia/audio/dummy_audio.cpp b/aegisub/libmedia/audio/dummy_audio.cpp
index d02e74b4d..501b6c20b 100644
--- a/aegisub/libmedia/audio/dummy_audio.cpp
+++ b/aegisub/libmedia/audio/dummy_audio.cpp
@@ -36,8 +36,7 @@
 
 #include "config.h"
 
-#include "audio_provider_dummy.h"
-#include "utils.h"
+#include "dummy_audio.h"
 
 
 namespace media {
diff --git a/aegisub/libmedia/audio/dummy_audio.h b/aegisub/libmedia/audio/dummy_audio.h
index 9b6a4c318..0f40d8ed5 100644
--- a/aegisub/libmedia/audio/dummy_audio.h
+++ b/aegisub/libmedia/audio/dummy_audio.h
@@ -34,7 +34,7 @@
 /// @ingroup audio_input
 ///
 
-#include "include/aegisub/audio_provider.h"
+#include "libmedia/audio.h"
 
 namespace media {
 
diff --git a/aegisub/libmedia/audio/pcm.cpp b/aegisub/libmedia/audio/pcm.cpp
index e748b87dd..c0637ec58 100644
--- a/aegisub/libmedia/audio/pcm.cpp
+++ b/aegisub/libmedia/audio/pcm.cpp
@@ -46,17 +46,14 @@
 #include <sys/stat.h>
 #endif
 
-#include <wx/file.h>
-#include <wx/filename.h>
-#include <wx/log.h>
 #endif
 
 #include <libaegisub/log.h>
 
 #include "aegisub_endian.h"
-#include "audio_provider_pcm.h"
-#include "compat.h"
-#include "utils.h"
+#include "pcm.h"
+//#include "compat.h"
+//#include "utils.h"
 
 
 namespace media {
@@ -64,7 +61,7 @@ namespace media {
 /// @brief DOCME
 /// @param filename 
 ///
-PCMAudioProvider::PCMAudioProvider(const wxString &filename)
+PCMAudioProvider::PCMAudioProvider(const std::string &filename)
 {
 #ifdef _WIN32
 	file_handle = CreateFile(
@@ -103,10 +100,10 @@ PCMAudioProvider::PCMAudioProvider(const wxString &filename)
 
 #else
 
-	file_handle = open(filename.mb_str(*wxConvFileName), O_RDONLY);
+	file_handle = open(filename.c_str(), O_RDONLY);
 
 	if (file_handle == -1) {
-		throw agi::FileNotFoundError(STD_STR(filename));
+		throw agi::FileNotFoundError(filename);
 	}
 
 	struct stat filestats;
@@ -330,7 +327,7 @@ public:
 	/// @brief DOCME
 	/// @param _filename 
 	///
-	RiffWavPCMAudioProvider(const wxString &_filename)
+	RiffWavPCMAudioProvider(const std::string &_filename)
 		: PCMAudioProvider(_filename)
 	{
 		filename = _filename;
@@ -520,7 +517,7 @@ public:
 	/// @brief DOCME
 	/// @param _filename 
 	///
-	Wave64AudioProvider(const wxString &_filename)
+	Wave64AudioProvider(const std::string &_filename)
 		: PCMAudioProvider(_filename)
 	{
 		filename = _filename;
@@ -614,7 +611,7 @@ public:
 /// @brief DOCME
 /// @param filename 
 ///
-AudioProvider *CreatePCMAudioProvider(const wxString &filename)
+AudioProvider *CreatePCMAudioProvider(const std::string &filename)
 {
 	std::string msg;
 	try {
diff --git a/aegisub/libmedia/audio/pcm.h b/aegisub/libmedia/audio/pcm.h
index bbf9ef767..1732b4f60 100644
--- a/aegisub/libmedia/audio/pcm.h
+++ b/aegisub/libmedia/audio/pcm.h
@@ -36,16 +36,13 @@
 
 #ifndef AGI_PRE
 #include <vector>
-
-#include <wx/file.h>
-#include <wx/thread.h>
 #endif
 
 #ifdef _WIN32
 #include <windows.h>
 #endif
 
-#include "include/aegisub/audio_provider.h"
+#include "libmedia/audio.h"
 
 
 namespace media {
@@ -81,7 +78,7 @@ private:
 #endif
 
 protected:
-	PCMAudioProvider(const wxString &filename); // Create base object and open the file mapping
+	PCMAudioProvider(const std::string &filename); // Create base object and open the file mapping
 	virtual ~PCMAudioProvider(); // Closes the file mapping
 	char * EnsureRangeAccessible(int64_t range_start, int64_t range_length) const; // Ensure that the given range of bytes are accessible in the file mapping and return a pointer to the first byte of the requested range
 
@@ -114,7 +111,7 @@ public:
 };
 
 // Construct the right PCM audio provider (if any) for the file
-AudioProvider *CreatePCMAudioProvider(const wxString &filename);
+AudioProvider *CreatePCMAudioProvider(const std::string &filename);
 
 } // namespace