diff --git a/common/include/physfsx.h b/common/include/physfsx.h
index 03a5c4743..2e173e1a1 100644
--- a/common/include/physfsx.h
+++ b/common/include/physfsx.h
@@ -387,8 +387,6 @@ static inline void PHYSFSX_readMatrix(const char *const filename, const unsigned
 
 #define PHYSFSX_readMatrix(M,F)	((PHYSFSX_readMatrix)(__FILE__, __LINE__, __func__, (M), (F)))
 
-#define PHYSFSX_contfile_close PHYSFSX_removeRelFromSearchPath
-
 class PHYSFS_File_deleter
 {
 public:
@@ -444,7 +442,7 @@ enum class physfs_search_path : int
 };
 
 int PHYSFSX_addRelToSearchPath(const char *relname, std::array<char, PATH_MAX> &realPath, physfs_search_path);
-extern int PHYSFSX_removeRelFromSearchPath(const char *relname);
+void PHYSFSX_removeRelFromSearchPath(const char *relname);
 extern int PHYSFSX_fsize(const char *hogname);
 extern void PHYSFSX_listSearchPathContent();
 int PHYSFSX_getRealPath(const char *stdPath, std::array<char, PATH_MAX> &realPath);
diff --git a/similar/main/mission.cpp b/similar/main/mission.cpp
index 02d84c82a..7097bc22d 100644
--- a/similar/main/mission.cpp
+++ b/similar/main/mission.cpp
@@ -1019,7 +1019,7 @@ static const char *load_mission(const mle *const mission)
 	}
 #if defined(DXX_BUILD_DESCENT_II)
 	else
-		PHYSFSX_contfile_close("descent.hog");
+		PHYSFSX_removeRelFromSearchPath("descent.hog");
 #endif
 
 #if defined(DXX_BUILD_DESCENT_II)
diff --git a/similar/misc/physfsx.cpp b/similar/misc/physfsx.cpp
index 12181186a..a2ff53e79 100644
--- a/similar/misc/physfsx.cpp
+++ b/similar/misc/physfsx.cpp
@@ -309,7 +309,7 @@ int PHYSFSX_addRelToSearchPath(const char *relname, std::array<char, PATH_MAX> &
 	return r;
 }
 
-int PHYSFSX_removeRelFromSearchPath(const char *relname)
+void PHYSFSX_removeRelFromSearchPath(const char *relname)
 {
 	char relname2[PATH_MAX];
 
@@ -320,14 +320,13 @@ int PHYSFSX_removeRelFromSearchPath(const char *relname)
 	if (!PHYSFSX_getRealPath(relname2, pathname))
 	{
 		con_printf(CON_DEBUG, "PHYSFS: ignoring unmap request: no canonical path for relative name \"%s\"", relname2);
-		return 0;
+		return;
 	}
 	auto r = PHYSFS_unmount(pathname.data());
 	if (r)
 		con_printf(CON_DEBUG, "PHYSFS: unmap canonical directory \"%s\" (relative name \"%s\")", pathname.data(), relname);
 	else
 		con_printf(CON_VERBOSE, "PHYSFS: failed to unmap canonical directory \"%s\" (relative name \"%s\"): \"%s\"", pathname.data(), relname, PHYSFS_getLastError());
-	return r;
 }
 
 int PHYSFSX_fsize(const char *hogname)