diff --git a/src/lang/welsh.txt b/src/lang/welsh.txt
--- a/src/lang/welsh.txt
+++ b/src/lang/welsh.txt
@@ -700,7 +700,6 @@ STR_02DD_SUBSIDIES                      
 STR_02DE_MAP_OF_WORLD                                           :Map o'r Byd
 STR_EXTRA_VIEW_PORT                                             :Ffenestr Olygfa Newydd
 STR_SIGN_LIST                                                   :Rhestr Arwyddion
-STR_02DF_TOWN_DIRECTORY                                         :Cyfeiriadur Trefi
 STR_TOWN_POPULATION                                             :{BLACK}Poblogaeth y Byd: {COMMA}
 STR_EXTRA_VIEW_PORT_TITLE                                       :{WHITE}Ffenestr Olygfa{COMMA}
 STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN                                :{BLACK}Copïo i Ffenestr Olygfa
@@ -2150,10 +2149,6 @@ STR_682C_HILLY                          
 STR_682D_MOUNTAINOUS                                            :Mynyddig
 STR_682E_STEADY                                                 :Cyson
 STR_682F_FLUCTUATING                                            :Anghyson
-STR_6830_IMMEDIATE                                              :Yn Syth
-STR_6831_3_MONTHS_AFTER_PLAYER                                  :3 mis wedi'r chwaraewr
-STR_6832_6_MONTHS_AFTER_PLAYER                                  :6 mis wedi'r chwaraewr
-STR_6833_9_MONTHS_AFTER_PLAYER                                  :9 mis wedi'r chwaraewr
 STR_6834_AT_END_OF_LINE_AND_AT_STATIONS                         :Ar ddiwedd y lein ac mewn gorsafoedd
 STR_6835_AT_END_OF_LINE_ONLY                                    :Ar ddiwedd y lein yn unig
 STR_6836_OFF                                                    :I  Ffwrdd
@@ -2839,13 +2834,11 @@ STR_TIMETABLE_AUTOFILL_TOOLTIP          
 ##id 0x9000
 STR_9000_ROAD_VEHICLE_IN_THE_WAY                                :{WHITE}Cerbyd ffordd yn y ffordd
 STR_9001_ROAD_VEHICLES                                          :{WHITE}{COMPANY} - {COMMA} Cerbyd{P "" au} Ffordd
-STR_9002                                                        :{WHITE}{VEHICLE}
 STR_9003_ROAD_VEHICLE_DEPOT                                     :{WHITE}Depo Cerbydau Ffordd {TOWN}
 STR_9004_NEW_VEHICLES                                           :{BLACK}Cerbyd Newydd
 STR_9006_NEW_ROAD_VEHICLES                                      :{WHITE}Cerbydau Ffordd Newydd
 STR_9007_BUILD_VEHICLE                                          :{BLACK}Adeiladu Cerbyd
 STR_9009_CAN_T_BUILD_ROAD_VEHICLE                               :{WHITE}Methu adeiladu cerbyd...
-STR_900C_DETAILS                                                :{WHITE}{VEHICLE} (Manylion)
 STR_9013_MUST_BE_STOPPED_INSIDE                                 :{WHITE}...rhaid iddo fod wedi'i stopio mewn depo cerbyd ffordd
 STR_9014_CAN_T_SELL_ROAD_VEHICLE                                :{WHITE}Methu gwerthu cerbyd ffordd...
 STR_9015_CAN_T_STOP_START_ROAD_VEHICLE                          :{WHITE}Methu stop/start cerbyd ffordd...
@@ -2914,8 +2907,6 @@ STR_980B_SHIP_MUST_BE_STOPPED_IN        
 STR_980C_CAN_T_SELL_SHIP                                        :{WHITE}Methu gwerthu llong...
 STR_980D_CAN_T_BUILD_SHIP                                       :{WHITE}Methu adeiladu llong...
 STR_980E_SHIP_IN_THE_WAY                                        :{WHITE}Llong yn y ffordd
-STR_980F                                                        :{WHITE}{VEHICLE}
-STR_9811_DETAILS                                                :{WHITE}{VEHICLE} (Manylion)
 STR_9818_CAN_T_STOP_START_SHIP                                  :{WHITE}methu cychwyn/stopio llong...
 STR_9819_CAN_T_SEND_SHIP_TO_DEPOT                               :{WHITE}Methu gyrru llong i ddepo...
 STR_981A_UNABLE_TO_FIND_LOCAL_DEPOT                             :{WHITE}Methu dod o hyd i'r depo lleol
@@ -2973,8 +2964,6 @@ STR_A005_NEW_AIRCRAFT                   
 STR_A006_BUILD_AIRCRAFT                                         :{BLACK}Adeiladu Awyrennau
 STR_A008_CAN_T_BUILD_AIRCRAFT                                   :{WHITE}Methu adeiladu awyren...
 STR_A009_AIRCRAFT                                               :{WHITE}{COMPANY} - {COMMA} Awyrennau
-STR_A00A                                                        :{WHITE}{VEHICLE}
-STR_A00C_DETAILS                                                :{WHITE}{VEHICLE} (Manylion)
 STR_A012_CAN_T_SEND_AIRCRAFT_TO                                 :{WHITE}Methu gyrru awyren i awyrendy...
 STR_HEADING_FOR_HANGAR                                          :{ORANGE}Mynd am Awyrendy {STATION}
 STR_HEADING_FOR_HANGAR_VEL                                      :{ORANGE}Mynd am Awyrendy {STATION}, {VELOCITY}