diff --git a/src/lang/irish.txt b/src/lang/irish.txt
--- a/src/lang/irish.txt
+++ b/src/lang/irish.txt
@@ -1093,15 +1093,11 @@ STR_CONFIG_SETTING_CATCHMENT                                    :{LTBLUE}Ceadaigh ceantair stáisiún ar mhéid níos realaíoch: {ORANGE}{STRING}
 STR_CONFIG_SETTING_EXTRADYNAMITE                                :{LTBLUE}Ceadaigh tuilleadh bóithre, droichid srl. ar le baile iad a bhaint: {ORANGE}{STRING}
 STR_CONFIG_SETTING_TRAIN_LENGTH                                 :{LTBLUE}Uasfhad na dtraenacha: {ORANGE}{STRING} {P th th t dt t}íl
 STR_CONFIG_SETTING_SMOKE_AMOUNT                                 :{LTBLUE}Méid deataigh/splancacha na bhfeithiclí: {ORANGE}{STRING}
-STR_CONFIG_SETTING_SMOKE_AMOUNT_NONE                            :Deatach ar bith
-STR_CONFIG_SETTING_SMOKE_AMOUNT_ORIGINAL                        :Bunaidh
-STR_CONFIG_SETTING_SMOKE_AMOUNT_REALISTIC                       :Réalaíoch
+STR_CONFIG_SETTING_NONE                                         :Deatach ar bith
+STR_CONFIG_SETTING_ORIGINAL                                     :Bunaidh
+STR_CONFIG_SETTING_REALISTIC                                    :Réalaíoch
 STR_CONFIG_SETTING_TRAIN_ACCELERATION_MODEL                     :{LTBLUE}Samhail luasghéaraithe do thraenacha: {ORANGE}{STRING}
-STR_CONFIG_SETTING_TRAIN_ACCELERATION_MODEL_ORIGINAL            :Bunaidh
-STR_CONFIG_SETTING_TRAIN_ACCELERATION_MODEL_REALISTIC           :Réalaíoch
 STR_CONFIG_SETTING_ROAD_VEHICLE_ACCELERATION_MODEL              :{LTBLUE}Samhail luasghéaraithe d'fheithiclí bóthair: {ORANGE}{STRING}
-STR_CONFIG_SETTING_ROAD_VEHICLE_ACCELERATION_MODEL_ORIGINAL     :Bunaidh
-STR_CONFIG_SETTING_ROAD_VEHICLE_ACCELERATION_MODEL_REALISTIC    :Réalaíoch
 STR_CONFIG_SETTING_TRAIN_SLOPE_STEEPNESS                        :{LTBLUE}Géire na fána do thraenacha {ORANGE}{STRING}%
 STR_CONFIG_SETTING_ROAD_VEHICLE_SLOPE_STEEPNESS                 :{LTBLUE}Géire na fána d'fheithiclí bóthair {ORANGE}{STRING}%
 STR_CONFIG_SETTING_FORBID_90_DEG                                :{LTBLUE}Cuir cosc ar thraenacha agus ar longa casadh 90° a dhéanamh: {ORANGE}{STRING}