diff --git a/libretro-common/features/features_cpu.c b/libretro-common/features/features_cpu.c
index 7b3283f124..443f4187c2 100644
--- a/libretro-common/features/features_cpu.c
+++ b/libretro-common/features/features_cpu.c
@@ -877,7 +877,10 @@ end:
 #elif defined(__MACH__)
    if (!name)
       return;
-   sysctlbyname("machdep.cpu.brand_string", name, &len, NULL, 0);
+   {
+      size_t len_size = len;
+      sysctlbyname("machdep.cpu.brand_string", name, &len_size, NULL, 0);
+   }
 #else
    if (!name)
       return;
diff --git a/menu/drivers/ozone/ozone.c b/menu/drivers/ozone/ozone.c
index 3ac69a399c..e1b68f5a18 100644
--- a/menu/drivers/ozone/ozone.c
+++ b/menu/drivers/ozone/ozone.c
@@ -371,7 +371,6 @@ unsigned ozone_count_lines(const char *str)
 
 static void ozone_update_thumbnail_path(void *data, unsigned i, char pos)
 {
-   settings_t     *settings       = config_get_ptr();
    ozone_handle_t    *ozone       = (ozone_handle_t*)data;
    const char    *core_name       = NULL;
 
@@ -2169,8 +2168,6 @@ static int ozone_pointer_tap(void *userdata,
       menu_file_list_cbs_t *cbs,
       menu_entry_t *entry, unsigned action)
 {
-   ozone_handle_t *ozone = (ozone_handle_t*) userdata;
-
    size_t selection         = menu_navigation_get_selection();
    if (ptr == selection && cbs && cbs->action_select)
       return (unsigned)menu_entry_action(entry, (unsigned)selection, MENU_ACTION_SELECT);
diff --git a/menu/menu_displaylist.c b/menu/menu_displaylist.c
index 9ecf6a0bd4..092474c02e 100644
--- a/menu/menu_displaylist.c
+++ b/menu/menu_displaylist.c
@@ -1272,7 +1272,6 @@ static int menu_displaylist_parse_playlist(menu_displaylist_info_t *info,
       playlist_t *playlist, const char *path_playlist, bool is_collection)
 {
    unsigned i;
-   size_t selection = menu_navigation_get_selection();
    size_t list_size = playlist_size(playlist);
    settings_t *settings = config_get_ptr();
    bool is_rgui = string_is_equal(settings->arrays.menu_driver, "rgui");