diff --git a/gio/gapplication.c b/gio/gapplication.c
index 2f831576a..42e465f3b 100644
--- a/gio/gapplication.c
+++ b/gio/gapplication.c
@@ -263,7 +263,7 @@ g_application_real_command_line (GApplication            *application,
     {
       static gboolean warned;
 
-      if (warned) 
+      if (warned)
         return 1;
 
       g_warning ("Your application claims to support custom command line "
@@ -566,7 +566,7 @@ g_application_class_init (GApplicationClass *class)
     g_param_spec_object ("action-group",
                          P_("Action group"),
                          P_("The group of actions that the application exports"),
-                         G_TYPE_ACTION_GROUP, 
+                         G_TYPE_ACTION_GROUP,
                          G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
 
   /**
@@ -652,7 +652,7 @@ get_platform_data (GApplication *application)
     {
       GVariant *array;
       gchar **envp;
-     
+
       envp = g_get_environ ();
       array = g_variant_new_bytestring_array ((const gchar **) envp, -1);
       g_strfreev (envp);
@@ -734,7 +734,7 @@ g_application_id_is_valid (const gchar *application_id)
 
   return TRUE;
 }
- 
+
 /* Public Constructor {{{1 */
 /**
  * g_application_new:
@@ -1039,7 +1039,7 @@ g_application_register (GApplication  *application,
  * Increases the use count of @application.
  *
  * Use this function to indicate that the application has a reason to
- * continue to run.  For example, g_application_hold() is called by GTK+ 
+ * continue to run.  For example, g_application_hold() is called by GTK+
  * when a toplevel window is on the screen.
  *
  * To cancel the hold, call g_application_release().
diff --git a/gio/gapplicationcommandline.c b/gio/gapplicationcommandline.c
index 7e4d3333e..8d2fbc326 100644
--- a/gio/gapplicationcommandline.c
+++ b/gio/gapplicationcommandline.c
@@ -378,7 +378,7 @@ g_application_command_line_get_cwd (GApplicationCommandLine *cmdline)
  *
  * Returns: (array zero-terminated=1) (transfer none): the environment
  * strings, or %NULL if they were not sent
- * 
+ *
  * Since: 2.28
  **/
 const gchar * const *
@@ -405,7 +405,7 @@ g_application_command_line_get_environ (GApplicationCommandLine *cmdline)
  * long as @cmdline exists.
  *
  * Returns: the value of the variable, or %NULL if unset or unsent
- * 
+ *
  * Since: 2.28
  **/
 const gchar *
diff --git a/gio/gapplicationimpl-dbus.c b/gio/gapplicationimpl-dbus.c
index e285e12e8..fb6cf2b4a 100644
--- a/gio/gapplicationimpl-dbus.c
+++ b/gio/gapplicationimpl-dbus.c
@@ -537,7 +537,7 @@ g_application_impl_action_signal (GDBusConnection *connection,
 
       g_variant_get (parameters, "(&sv)", &name, &state);
       info = g_hash_table_lookup (impl->actions, name);
-      
+
       if (info && info->state &&
           g_variant_is_of_type (state, g_variant_get_type (info->state)) &&
           !g_variant_equal (state, info->state))
diff --git a/gio/gsettings-tool.c b/gio/gsettings-tool.c
index ded0d6bab..5a8ab4d87 100644
--- a/gio/gsettings-tool.c
+++ b/gio/gsettings-tool.c
@@ -374,33 +374,33 @@ reset_all_keys (GSettings   *settings)
 
 static void
 gsettings_reset_recursively (GSettings   *settings,
-			     const gchar *key,
-			     const gchar *value)
+                             const gchar *key,
+                             const gchar *value)
 {
   gchar **children;
   gint i;
 
   g_settings_delay (settings);
-  
+
   reset_all_keys (settings);
   children = g_settings_list_children (settings);
   for (i = 0; children[i]; i++)
     {
       GSettings *child;
       gchar *schema;
-      
+
       child = g_settings_get_child (settings, children[i]);
       g_object_get (child, "schema", &schema, NULL);
-      
+
       if (is_schema (schema))
-	reset_all_keys (child);
-      
+        reset_all_keys (child);
+
       g_object_unref (child);
       g_free (schema);
     }
-  
+
   g_strfreev (children);
-  
+
   g_settings_apply (settings);
   g_settings_sync ();
 }