diff --git a/src/terminal-gsettings.c b/src/terminal-gsettings.c
index e13b3c7..8cbd35e 100644
--- a/src/terminal-gsettings.c
+++ b/src/terminal-gsettings.c
@@ -33,73 +33,6 @@
 #include <glib.h>
 #include <gio/gio.h>
 
-/* (copied from gnome-panel)
- * Adapted from is_valid_keyname() in glib (gio/glib-compile-schemas.c)
- * Differences:
- *  - gettext support removed (we don't need translations here)
- *  - remove support for allow_any_name
- */
-gboolean
-terminal_gsettings_is_valid_keyname (const gchar  *key,
-                                  GError      **error)
-{
-  gint i;
-
-  if (key[0] == '\0')
-    {
-      g_set_error_literal (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
-                           "empty names are not permitted");
-      return FALSE;
-    }
-
-  if (!g_ascii_islower (key[0]))
-    {
-      g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
-                   "invalid name '%s': names must begin "
-                     "with a lowercase letter", key);
-      return FALSE;
-    }
-
-  for (i = 1; key[i]; i++)
-    {
-      if (key[i] != '-' &&
-          !g_ascii_islower (key[i]) &&
-          !g_ascii_isdigit (key[i]))
-        {
-          g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
-                       "invalid name '%s': invalid character '%c'; "
-                         "only lowercase letters, numbers and dash ('-') "
-                         "are permitted.", key, key[i]);
-          return FALSE;
-        }
-
-      if (key[i] == '-' && key[i + 1] == '-')
-        {
-          g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
-                       "invalid name '%s': two successive dashes ('--') "
-                         "are not permitted.", key);
-          return FALSE;
-        }
-    }
-
-  if (key[i - 1] == '-')
-    {
-      g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
-                   "invalid name '%s': the last character may not be a "
-                     "dash ('-').", key);
-      return FALSE;
-    }
-
-  if (i > 32)
-    {
-      g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
-                   "invalid name '%s': maximum length is 32", key);
-      return FALSE;
-    }
-
-  return TRUE;
-}
-
 /* copied from gnome-panel */
 gboolean
 terminal_gsettings_append_strv (GSettings   *settings,
diff --git a/src/terminal-gsettings.h b/src/terminal-gsettings.h
index f8afb3d..1e7c363 100644
--- a/src/terminal-gsettings.h
+++ b/src/terminal-gsettings.h
@@ -33,9 +33,6 @@
 
 G_BEGIN_DECLS
 
-gboolean        terminal_gsettings_is_valid_keyname (const gchar  *key,
-                                                     GError      **error);
-
 gboolean        terminal_gsettings_append_strv (GSettings         *settings,
                                                 const gchar       *key,
                                                 const gchar       *value);