diff --git a/src/l10n/deu-DEU.h b/src/l10n/deu-DEU.h
index d29427dfa..b1918d2d5 100644
--- a/src/l10n/deu-DEU.h
+++ b/src/l10n/deu-DEU.h
@@ -487,7 +487,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Fehler: "
 #define STRING_TRIVIAL_INPUT         "Sie müssen einen Befehl oder eine Aufgabe zum ändern angeben."
 #define STRING_INFINITE_LOOP         "Beende Ersetzung, weil mehr als {1} Änderungen durchgeführt wurden - Schutz vor Endlosschleifen."
 #define STRING_UDA_TYPE              "UDAs müssen vom Typ 'string', 'date', 'duration' oder 'numeric' sein."
diff --git a/src/l10n/eng-USA.h b/src/l10n/eng-USA.h
index 6c42b5b81..3114c203e 100644
--- a/src/l10n/eng-USA.h
+++ b/src/l10n/eng-USA.h
@@ -484,7 +484,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Error: "
 #define STRING_TRIVIAL_INPUT         "You must specify a command or a task to modify."
 #define STRING_INFINITE_LOOP         "Terminated substitution because more than {1} changes were made - infinite loop protection."
 #define STRING_UDA_TYPE              "User defined attributes may only be of type 'string', 'date', 'duration' or 'numeric'."
diff --git a/src/l10n/epo-RUS.h b/src/l10n/epo-RUS.h
index 3380c35fe..dad6d5294 100644
--- a/src/l10n/epo-RUS.h
+++ b/src/l10n/epo-RUS.h
@@ -487,7 +487,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Eraro: "
 #define STRING_TRIVIAL_INPUT         "Oni devas specifi komandon, aŭ taskon ke vi volas modifi."
 #define STRING_INFINITE_LOOP         "Finis anstataŭon ĉar ekzistas pli de {1} ŝanĝoj - protekto kontraŭ senfina ripeton."
 #define STRING_UDA_TYPE              "La tipo de uzanto-definitaj atributoj devas esti 'string', 'date', 'duration', aŭ 'numeric'."
diff --git a/src/l10n/esp-ESP.h b/src/l10n/esp-ESP.h
index 497717d15..a31bbc6a7 100644
--- a/src/l10n/esp-ESP.h
+++ b/src/l10n/esp-ESP.h
@@ -499,7 +499,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Error: "  // |esp-ESP|==|eng-USA|
 #define STRING_TRIVIAL_INPUT         "Debe especificar un comando o una tarea a modificar."
 #define STRING_INFINITE_LOOP         "Sustitución terminada debido a que se hicieron más de {1} cambios - protección contra ciclo eterno."
 #define STRING_UDA_TYPE              "Los atributos definidos por el usuario solamente pueden ser de los tipos 'string', 'date', 'duration' o 'numeric'."
diff --git a/src/l10n/fra-FRA.h b/src/l10n/fra-FRA.h
index 9199afa11..00e24906e 100644
--- a/src/l10n/fra-FRA.h
+++ b/src/l10n/fra-FRA.h
@@ -509,7 +509,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Erreur : "
 #define STRING_TRIVIAL_INPUT         "Il vous faut spécifier une commande ou une tâche à modifier."
 #define STRING_INFINITE_LOOP         "Substitution arrêté parce que plus de {1} changements ont été faits - protection contre les boucles infinies."
 #define STRING_UDA_TYPE              "User defined attributes may only be of type 'string', 'date', 'duration' or 'numeric'."
diff --git a/src/l10n/ita-ITA.h b/src/l10n/ita-ITA.h
index 814cef1e2..3bfa586f2 100644
--- a/src/l10n/ita-ITA.h
+++ b/src/l10n/ita-ITA.h
@@ -488,7 +488,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Errore: "
 #define STRING_TRIVIAL_INPUT         "Specificare un comando o un task da modificare"
 #define STRING_INFINITE_LOOP         "Sostituzione terminata poiché più di {1} modifiche sono state fatte - protezione da ciclo infinito"
 #define STRING_UDA_TYPE              "Gli User defined attribute possono solo essere di tipo 'string', 'date', 'duration' o 'numeric'."
diff --git a/src/l10n/jpn-JPN.h b/src/l10n/jpn-JPN.h
index 329dbde58..c15863f22 100644
--- a/src/l10n/jpn-JPN.h
+++ b/src/l10n/jpn-JPN.h
@@ -489,7 +489,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "エラー: "
 #define STRING_TRIVIAL_INPUT         "変更したいコマンドまたはタスクを指定しなければなりません。"
 #define STRING_INFINITE_LOOP         "Terminated substitution because more than {1} changes were made - infinite loop protection."
 #define STRING_UDA_TYPE              "User defined attributes may only be of type 'string', 'date', 'duration' or 'numeric'."
diff --git a/src/l10n/pol-POL.h b/src/l10n/pol-POL.h
index d9febc9bf..d18a5694f 100644
--- a/src/l10n/pol-POL.h
+++ b/src/l10n/pol-POL.h
@@ -489,7 +489,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Błąd: "
 #define STRING_TRIVIAL_INPUT         "Musisz podać polecenie lub zadanie do zmiany."
 #define STRING_INFINITE_LOOP         "Podstawienie anulowane ponieważ wykonano więcej niż {1} zmian - zabezpieczenie przed zapętleniem."
 #define STRING_UDA_TYPE              "Atrybuty definiowane przez użytkownika mogą być typu 'string', 'date', 'duration' lub 'numeric'."
diff --git a/src/l10n/por-PRT.h b/src/l10n/por-PRT.h
index 8ba11bd32..6ded42ff8 100644
--- a/src/l10n/por-PRT.h
+++ b/src/l10n/por-PRT.h
@@ -489,7 +489,6 @@
 
 // Errors
 // TODO Move each of these to appropriate section.
-#define STRING_ERROR_PREFIX          "Erro: "
 #define STRING_TRIVIAL_INPUT         "Deve específicar um comando ou a tarefa a modificar."
 #define STRING_INFINITE_LOOP         "Substituição terminada. Efectuadas mais de {1} alterações - protecção de ciclos infinitos."
 #define STRING_UDA_TYPE              "Atributos definidos pelo utilizador (UDAs) apenas podem ser do tipo 'texto', 'data', 'duração' ou 'numérico'."