diff --git a/lib/Exd.xs b/lib/Exd.xs
index 4767666..548c9d7 100644
--- a/lib/Exd.xs
+++ b/lib/Exd.xs
@@ -9,13 +9,6 @@
 
 FcConfig *old_system_config = NULL;
 
-void
-exd_fileformat_fontconfig__restore_system_config_c(SV *self) {
-    if (old_system_config != NULL) {
-        FcConfigSetCurrent(old_system_config);
-    }
-}
-
 void
 exd_fileformat_fontconfig__set_current_c(SV *self, char *font_dir) {
     if (old_system_config == NULL) {
@@ -110,8 +103,6 @@ AV * exd_fileformat_fontconfig__list_fonts_c(SV *self, char *font_dir)
 
 void exd_fileformat_fontconfig__set_current_c(SV *self, char *font_dir)
 
-void exd_fileformat_fontconfig__restore_system_config_c(SV *self)
-
 MODULE = Exd PACKAGE = Exd::Fontconfig PREFIX = exd_fontconfig_
 
 AV * exd_fontconfig__list_fonts_c(SV *self)
diff --git a/lib/Exd/FileFormat/Fontconfig.pm b/lib/Exd/FileFormat/Fontconfig.pm
index 25496b6..f6864af 100644
--- a/lib/Exd/FileFormat/Fontconfig.pm
+++ b/lib/Exd/FileFormat/Fontconfig.pm
@@ -22,10 +22,6 @@ sub set_current($self) {
     $self->_set_current_c( '' . $dir );
 }
 
-sub restore_system_config($self) {
-    $self->_restore_system_config_c;
-}
-
 sub list_fonts($self) {
     my $fonts = $self->_list_fonts_c($self->_font_dir->child('dir'));
     return $fonts;