diff --git a/src/frontends/qt4/qt_helpers.C b/src/frontends/qt4/qt_helpers.C
index e8ed5bbfc9..c1ede0f9c9 100644
--- a/src/frontends/qt4/qt_helpers.C
+++ b/src/frontends/qt4/qt_helpers.C
@@ -182,7 +182,9 @@ docstring const formatted(docstring const & text, int w)
 
 docstring const internal_path(QString const & input)
 {
-	return lyx::support::os::internal_path(qstring_to_ucs4(input));
+	// FIXME UNICODE
+	return from_utf8(lyx::support::os::internal_path(
+		to_utf8(qstring_to_ucs4(input))));
 }
 
 
diff --git a/src/support/os.h b/src/support/os.h
index dffedb5fa5..0fce6c1d16 100644
--- a/src/support/os.h
+++ b/src/support/os.h
@@ -52,9 +52,6 @@ std::string external_path(std::string const & p);
 /// Converts a host OS style path to unix style.
 std::string internal_path(std::string const & p);
 
-/// Converts a host OS style path to unix style.
-docstring internal_path(docstring const & p);
-
 /// Converts a unix style path list to host OS style.
 std::string external_path_list(std::string const & p);
 
diff --git a/src/support/os_cygwin.C b/src/support/os_cygwin.C
index 63afa5bdb7..d281294ab7 100644
--- a/src/support/os_cygwin.C
+++ b/src/support/os_cygwin.C
@@ -211,13 +211,6 @@ string internal_path(string const & p)
 }
 
 
-docstring internal_path(docstring const & p)
-{
-	// FIXME UNICODE
-	return from_utf8(convert_path(to_utf8(p), PathStyle(posix)));
-}
-
-
 string external_path_list(string const & p)
 {
 	return convert_path_list(p, PathStyle(posix));
diff --git a/src/support/os_unix.C b/src/support/os_unix.C
index 4fb46c2e6e..aff294b7b4 100644
--- a/src/support/os_unix.C
+++ b/src/support/os_unix.C
@@ -70,12 +70,6 @@ string internal_path(string const & p)
 }
 
 
-docstring internal_path(docstring const & p)
-{
-	return p;
-}
-
-
 string external_path_list(string const & p)
 {
 	return p;
diff --git a/src/support/os_win32.C b/src/support/os_win32.C
index 3dc6ab652a..468e8491c2 100644
--- a/src/support/os_win32.C
+++ b/src/support/os_win32.C
@@ -240,13 +240,6 @@ string internal_path(string const & p)
 }
 
 
-docstring internal_path(docstring const & p)
-{
-	// FIXME UNICODE
-	return from_utf8(subst(get_long_path(to_utf8(p)), "\\", "/"));
-}
-
-
 string external_path_list(string const & p)
 {
 	return subst(p, '/', '\\');