diff --git a/README b/README
index 09a339c..fb46137 100644
--- a/README
+++ b/README
@@ -25,13 +25,10 @@ Technical support TODO:
 -> Supply more VRAM memory to internal allocator
    => Merge internal heap into Z_Zone? (< 50 kB)
    => Remove multiply-avoiding lookup tables?
--> Rate-limit the game when overclocking
--> Load/Save game would be very cool
 -> Reenable LTO if possible
 -> Built-in overclocking?
 -> SDL2 debug version support?
 -> Darken background in menu (some code does that somewhere?)
--> Rate-limit
 
 CGDoom used to be compiled with the mini-SDK. However, it's become quite
 difficult to get a copy of that. Instead, this port is built with a modified
diff --git a/cgdoom/cgdoom.c b/cgdoom/cgdoom.c
index eebb860..878fd64 100644
--- a/cgdoom/cgdoom.c
+++ b/cgdoom/cgdoom.c
@@ -212,15 +212,6 @@ typedef struct {
 	int miTotalLength;
 } FileMapping;
 
-/* Bfile's file info structure returned by filesystem search functions. */
-typedef struct
-{
-	unsigned short id, type;
-	unsigned long fsize, dsize;
-	unsigned int property;
-	unsigned long address;
-} Bfile_FileInfo;
-
 /* Find WAD files in the filesystem. */
 int FindWADs(WADFileInfo *files, int max)
 {
@@ -531,14 +522,15 @@ static void DelayedWriteFile(int i)
 
     Bfile_DeleteEntry(fc_path);
 
-    rc = Bfile_CreateEntry_OS(fc_path, CREATEMODE_FILE, (size_t *)&dfw->size);
+    rc = Bfile_CreateEntry_OS(fc_path, BFILE_CREATEMODE_FILE,
+        (size_t *)&dfw->size);
     if (rc < 0) {
         I_Error("Bfile_CreateEntry_OS(%s, %d bytes): %d", dfw->filename,
             dfw->size, rc);
         return;
     }
 
-    fd = Bfile_OpenFile_OS(fc_path, WRITE, 0);
+    fd = Bfile_OpenFile_OS(fc_path, BFILE_WRITE, 0);
     if (fd < 0) {
         I_Error("Bfile_OpenFile_OS(%s): %d", dfw->filename, fd);
         return;
diff --git a/cgdoom/m_menu.c b/cgdoom/m_menu.c
index d6cf6a1..b564329 100644
--- a/cgdoom/m_menu.c
+++ b/cgdoom/m_menu.c
@@ -481,7 +481,7 @@ void M_ReadSaveStrings(void)
             fc_path[j+7] = name[j];
         fc_path[j+7] = 0x0000;
 
-        fd = Bfile_OpenFile_OS(fc_path, READ, 0);
+        fd = Bfile_OpenFile_OS(fc_path, BFILE_READ, 0);
 
         if(fd < 0) {
             strcpy(savegamestrings[i], EMPTYSTRING);
diff --git a/cgdoom/m_misc.c b/cgdoom/m_misc.c
index 8dbbf89..ada6567 100644
--- a/cgdoom/m_misc.c
+++ b/cgdoom/m_misc.c
@@ -87,40 +87,6 @@ int M_DrawText ( int x, int y, boolean direct, char* string )
 */
 
 
-//
-// M_WriteFile
-//
-boolean M_WriteFile(char const *name, const void *source, int length)
-{
-    uint16_t fc_path[100] = u"\\\\fls0\\";
-    size_t size = length;
-    int j = 7;
-    int rc, fd;
-
-    for (int i = 0; name[i]; i++)
-        fc_path[j++] = name[i];
-    fc_path[j++] = 0x0000;
-
-    Bfile_DeleteEntry(fc_path);
-
-    rc = Bfile_CreateEntry_OS(fc_path, CREATEMODE_FILE, &size);
-    if (rc < 0) {
-        /* Displaying the error message destroys the save data, so quit */
-        I_Error("Bfile_CreateEntry_OS(%s, %d bytes): %d", name, length, rc);
-        return false;
-    }
-
-    fd = Bfile_OpenFile_OS(fc_path, WRITE, 0);
-    if (fd < 0) {
-        I_Error("Bfile_OpenFile_OS(%s): %d", name, fd);
-        return false;
-    }
-
-    Bfile_WriteFile_OS(fd, source, length);
-    Bfile_CloseFile_OS(fd);
-    return true;
-}
-
 //
 // M_ReadFile
 //
@@ -134,7 +100,7 @@ int M_ReadFile(const char *name, byte **buffer)
         fc_path[j++] = name[i];
     fc_path[j++] = 0x0000;
 
-    fd = Bfile_OpenFile_OS(fc_path, READ, 0);
+    fd = Bfile_OpenFile_OS(fc_path, BFILE_READ, 0);
     if (fd < 0) {
         I_Error("Bfile_OpenFile_OS(%s): %d", name, fd);
         return -1;