diff --git a/src/en-US.h b/src/en-US.h
index 639cb2e61..4a425d236 100644
--- a/src/en-US.h
+++ b/src/en-US.h
@@ -831,8 +831,6 @@
 #define STRING_TDB2_REVERTED         "Modified task reverted."
 #define STRING_TDB2_REMOVED          "Task removed."
 #define STRING_TDB2_UNDO_COMPLETE    "Undo complete."
-#define STRING_TDB2_MISSING_TASK     "Task with UUID {1} not found in data."
-#define STRING_TDB2_UNDO_IMPOSSIBLE  "No undo possible."
 #define STRING_TDB2_UNDO_SYNCED      "Cannot undo change because the task was already synced.  Modify the task instead."
 
 // text
diff --git a/src/es-ES.h b/src/es-ES.h
index 623115503..798edc583 100644
--- a/src/es-ES.h
+++ b/src/es-ES.h
@@ -846,8 +846,6 @@
 #define STRING_TDB2_REVERTED         "Tarea modificada revertida."
 #define STRING_TDB2_REMOVED          "Tarea eliminada."
 #define STRING_TDB2_UNDO_COMPLETE    "Deshacer completado."
-#define STRING_TDB2_MISSING_TASK     "Tarea con UUID {1} no encontrada en los datos."
-#define STRING_TDB2_UNDO_IMPOSSIBLE  "No es posible deshacer."
 #define STRING_TDB2_UNDO_SYNCED      "Cannot undo change because the task was already synced.  Modify the task instead."
 
 // text
diff --git a/src/fr-FR.h b/src/fr-FR.h
index c86b23196..43a1a72f9 100644
--- a/src/fr-FR.h
+++ b/src/fr-FR.h
@@ -831,8 +831,6 @@
 #define STRING_TDB2_REVERTED         "Modified task reverted."
 #define STRING_TDB2_REMOVED          "Task removed."
 #define STRING_TDB2_UNDO_COMPLETE    "Undo complete."
-#define STRING_TDB2_MISSING_TASK     "Task with UUID {1} not found in data."
-#define STRING_TDB2_UNDO_IMPOSSIBLE  "No undo possible."
 #define STRING_TDB2_UNDO_SYNCED      "Cannot undo change because the task was already synced.  Modify the task instead."
 
 // text
diff --git a/src/it-IT.h b/src/it-IT.h
index 8328e05ce..0ba8b5b13 100644
--- a/src/it-IT.h
+++ b/src/it-IT.h
@@ -832,8 +832,6 @@
 #define STRING_TDB2_REVERTED         "Modifiche al task ripristinate."
 #define STRING_TDB2_REMOVED          "Task rimosso."
 #define STRING_TDB2_UNDO_COMPLETE    "Undo completato."
-#define STRING_TDB2_MISSING_TASK     "Task con UUID {1} non trovato nei dati."
-#define STRING_TDB2_UNDO_IMPOSSIBLE  "Nessun undo possibile."
 #define STRING_TDB2_UNDO_SYNCED      "Cannot undo change because the task was already synced.  Modify the task instead."
 
 // text