diff --git a/common/flatpak-xml-utils-private.h b/common/flatpak-xml-utils-private.h
index 970c72f9aa..bbf28b0da1 100644
--- a/common/flatpak-xml-utils-private.h
+++ b/common/flatpak-xml-utils-private.h
@@ -33,8 +33,6 @@ struct FlatpakXml
   FlatpakXml *next_sibling;
 };
 
-FlatpakXml *flatpak_xml_new (const gchar *element_name);
-FlatpakXml *flatpak_xml_new_text (const gchar *text);
 void       flatpak_xml_add (FlatpakXml *parent,
                             FlatpakXml *node);
 void       flatpak_xml_free (FlatpakXml *node);
@@ -42,8 +40,6 @@ FlatpakXml *flatpak_xml_parse (GInputStream * in,
                                gboolean compressed,
                                GCancellable *cancellable,
                                GError      **error);
-void       flatpak_xml_to_string (FlatpakXml *node,
-                                  GString    *res);
 FlatpakXml *flatpak_xml_unlink (FlatpakXml *node,
                                 FlatpakXml *prev_sibling);
 FlatpakXml *flatpak_xml_find (FlatpakXml  *node,
diff --git a/common/flatpak-xml-utils.c b/common/flatpak-xml-utils.c
index 3e55305889..2b433dd615 100644
--- a/common/flatpak-xml-utils.c
+++ b/common/flatpak-xml-utils.c
@@ -30,7 +30,7 @@ typedef struct
   FlatpakXml *current;
 } XmlData;
 
-FlatpakXml *
+static FlatpakXml *
 flatpak_xml_new (const gchar *element_name)
 {
   FlatpakXml *node = g_new0 (FlatpakXml, 1);
@@ -39,7 +39,7 @@ flatpak_xml_new (const gchar *element_name)
   return node;
 }
 
-FlatpakXml *
+static FlatpakXml *
 flatpak_xml_new_text (const gchar *text)
 {
   FlatpakXml *node = g_new0 (FlatpakXml, 1);
@@ -146,7 +146,7 @@ flatpak_xml_free (FlatpakXml *node)
 }
 
 
-void
+static void
 flatpak_xml_to_string (FlatpakXml *node, GString *res)
 {
   int i;