diff --git a/src/lang/welsh.txt b/src/lang/welsh.txt
--- a/src/lang/welsh.txt
+++ b/src/lang/welsh.txt
@@ -4177,7 +4177,6 @@ STR_AI_SETTINGS_CAPTION_AI              
 STR_AI_SETTINGS_CLOSE                                           :{BLACK}Cau
 STR_AI_SETTINGS_RESET                                           :{BLACK}Ailosod
 STR_AI_SETTINGS_SETTING                                         :{STRING}: {ORANGE}{STRING}
-STR_AI_SETTINGS_START_DELAY                                     :Nifer o ddiwrnodau i aros wedi dechrau AI blaenorol cyn dechrau hon (fwy neu lai): {ORANGE}{STRING}
 
 
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