diff --git a/src/table/settings/gui_settings.ini b/src/table/settings/gui_settings.ini
--- a/src/table/settings/gui_settings.ini
+++ b/src/table/settings/gui_settings.ini
@@ -16,7 +16,6 @@ static void InvalidateCompanyLiveryWindo
 static void InvalidateNewGRFChangeWindows(int32_t new_value);
 static void ZoomMinMaxChanged(int32_t new_value);
 static void SpriteZoomMinChanged(int32_t new_value);
-void InitializeNumberFormats();
 
 static constexpr std::initializer_list<const char*> _osk_activation{"disabled", "double", "single", "immediately"};
 static constexpr std::initializer_list<const char*> _savegame_date{"long", "short", "iso"};
@@ -29,7 +28,6 @@ static const SettingVariant _gui_setting
 SDTC_BOOL  =  SDTC_BOOL(              $var,        $flags, $def,                              $str, $strhelp, $strval, $pre_cb, $post_cb, $str_cb, $help_cb, $val_cb, $from, $to,        $cat, $extra, $startup),
 SDTC_OMANY = SDTC_OMANY(              $var, $type, $flags, $def,             $max, $full,     $str, $strhelp, $strval, $pre_cb, $post_cb, $str_cb, $help_cb, $val_cb, $from, $to,        $cat, $extra, $startup),
 SDTC_VAR   =   SDTC_VAR(              $var, $type, $flags, $def,       $min, $max, $interval, $str, $strhelp, $strval, $pre_cb, $post_cb, $str_cb, $help_cb, $val_cb, $from, $to,        $cat, $extra, $startup),
-SDTC_SSTR  =  SDTC_SSTR(              $var, $type, $flags, $def,             0,                                        $pre_cb, $post_cb,                             $from, $to,        $cat, $extra, $startup),
 
 [validation]
 SDTC_OMANY = static_assert($max <= MAX_$type, "Maximum value for $var exceeds storage size");
@@ -905,27 +903,3 @@ post_cb  = [](auto) { SetupWidgetDimensi
 cat      = SC_BASIC
 startup  = true
 
-[SDTC_SSTR]
-var      = gui.number_format
-flags    = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC
-type     = SLE_STRQ
-def      = nullptr
-pre_cb   = [](auto format) { NumberFormatSeparators separators; return !ParseNumberFormatSeparators(separators, format).has_value(); }
-post_cb  = [](auto) { InitializeNumberFormats(); MarkWholeScreenDirty(); }
-startup  = true
-
-[SDTC_SSTR]
-var      = gui.number_abbreviations
-flags    = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC
-type     = SLE_STRQ
-def      = nullptr
-pre_cb   = [](auto format) { NumberAbbreviations abbreviations; return !ParseNumberAbbreviations(abbreviations, format).has_value(); }
-post_cb  = [](auto) { InitializeNumberFormats(); MarkWholeScreenDirty(); }
-startup  = true
-
-[SDTC_SSTR]
-var      = gui.digit_decimal_separator
-flags    = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC
-type     = SLE_STRQ
-def      = nullptr
-post_cb  = [](auto) { MarkWholeScreenDirty(); }