diff --git a/Misc/homedir_0.patch b/Misc/homedir_0.patch
index 35c6d204..55f2bc27 100644
--- a/Misc/homedir_0.patch
+++ b/Misc/homedir_0.patch
@@ -1,11 +1,11 @@
 support for user directories, based on uhexen2 and tyrquake:
-** against quakespasm svn revision 904.
+** against quakespasm svn revision 905.
 ** on-the-fly game directory switching not supported yet.
 ** minimally tested, needs more work.
 
 Index: Quake/sys_sdl_unix.c
 ===================================================================
---- Quake/sys_sdl_unix.c	(revision 904)
+--- Quake/sys_sdl_unix.c	(revision 905)
 +++ Quake/sys_sdl_unix.c	(working copy)
 @@ -20,6 +20,8 @@
  
@@ -73,9 +73,9 @@ Index: Quake/sys_sdl_unix.c
  void Sys_mkdir (const char *path)
 Index: Quake/common.c
 ===================================================================
---- Quake/common.c	(revision 904)
+--- Quake/common.c	(revision 905)
 +++ Quake/common.c	(working copy)
-@@ -1917,6 +1917,7 @@ static void COM_AddGameDirectory (const 
+@@ -1919,6 +1919,7 @@ static void COM_AddGameDirectory (const 
  	searchpath_t *search;
  	pack_t *pak, *qspak;
  	char pakfile[MAX_OSPATH];
@@ -83,7 +83,7 @@ Index: Quake/common.c
  
  	q_strlcpy (com_gamedir, va("%s/%s", base, dir), sizeof(com_gamedir));
  
-@@ -1925,6 +1926,7 @@ static void COM_AddGameDirectory (const 
+@@ -1927,6 +1928,7 @@ static void COM_AddGameDirectory (const 
  		path_id = com_searchpaths->path_id << 1;
  	else	path_id = 1U;
  
@@ -91,7 +91,7 @@ Index: Quake/common.c
  	// add the directory to the search path
  	search = (searchpath_t *) Z_Malloc(sizeof(searchpath_t));
  	search->path_id = path_id;
-@@ -1961,6 +1963,14 @@ static void COM_AddGameDirectory (const 
+@@ -1963,6 +1965,14 @@ static void COM_AddGameDirectory (const 
  		}
  		if (!pak) break;
  	}
diff --git a/Quake/common.c b/Quake/common.c
index 2a7ed8c7..71aa3fa3 100644
--- a/Quake/common.c
+++ b/Quake/common.c
@@ -1056,6 +1056,7 @@ if path doesn't have a .EXT, append extension
 (extension should include the leading ".")
 ==================
 */
+#if 0 /* can be dangerous */
 void COM_DefaultExtension (char *path, const char *extension, size_t len)
 {
 	char	*src;
@@ -1072,6 +1073,7 @@ void COM_DefaultExtension (char *path, const char *extension, size_t len)
 
 	q_strlcat(path, extension, len);
 }
+#endif
 
 /*
 ==================
diff --git a/Quake/common.h b/Quake/common.h
index 35464bfb..97c89554 100644
--- a/Quake/common.h
+++ b/Quake/common.h
@@ -180,7 +180,9 @@ const char *COM_SkipPath (const char *pathname);
 void COM_StripExtension (const char *in, char *out, size_t outsize);
 void COM_FileBase (const char *in, char *out, size_t outsize);
 void COM_AddExtension (char *path, const char *extension, size_t len);
+#if 0 /* COM_DefaultExtension can be dangerous */
 void COM_DefaultExtension (char *path, const char *extension, size_t len);
+#endif
 const char *COM_FileGetExtension (const char *in); /* doesn't return NULL */
 void COM_ExtractExtension (const char *in, char *out, size_t outsize);
 void COM_CreatePath (char *path);