diff --git a/src/Context.cpp b/src/Context.cpp
index 24a70389d..4f57dc1b7 100644
--- a/src/Context.cpp
+++ b/src/Context.cpp
@@ -121,9 +121,7 @@ std::string configurationDefaults =
   "dateformat.report=                             # Preferred display date format for reports\n"
   "dateformat.annotation=                         # Preferred display date format for annotations\n"
   "date.iso=1                                     # Enable ISO date support\n"
-  "weekstart="
-             STRING_DATE_SUNDAY
-                  "                               # Sunday or Monday only\n"
+  "weekstart=sunday                               # Sunday or Monday only\n"
   "displayweeknumber=1                            # Show week numbers on calendar\n"
   "due=7                                          # Task is considered due in 7 days\n"
   "\n"
diff --git a/src/l10n/deu-DEU.h b/src/l10n/deu-DEU.h
index 0f66bf8ca..0c54a5b59 100644
--- a/src/l10n/deu-DEU.h
+++ b/src/l10n/deu-DEU.h
@@ -605,7 +605,6 @@
 #define STRING_DATE_NOVEMBER         "November"
 #define STRING_DATE_DECEMBER         "Dezember"
 
-#define STRING_DATE_SUNDAY           "Sonntag"
 #define STRING_DATE_MONDAY           "Montag"
 #define STRING_DATE_TUESDAY          "Dienstag"
 #define STRING_DATE_WEDNESDAY        "Mittwoch"
diff --git a/src/l10n/eng-USA.h b/src/l10n/eng-USA.h
index 00bd6b2a2..6623a01c9 100644
--- a/src/l10n/eng-USA.h
+++ b/src/l10n/eng-USA.h
@@ -603,7 +603,6 @@
 #define STRING_DATE_NOVEMBER         "november"
 #define STRING_DATE_DECEMBER         "december"
 
-#define STRING_DATE_SUNDAY           "sunday"
 #define STRING_DATE_MONDAY           "monday"
 #define STRING_DATE_TUESDAY          "tuesday"
 #define STRING_DATE_WEDNESDAY        "wednesday"
diff --git a/src/l10n/epo-RUS.h b/src/l10n/epo-RUS.h
index a0b1a16e6..f1e720bee 100644
--- a/src/l10n/epo-RUS.h
+++ b/src/l10n/epo-RUS.h
@@ -605,7 +605,6 @@
 #define STRING_DATE_NOVEMBER         "novembro"
 #define STRING_DATE_DECEMBER         "decembro"
 
-#define STRING_DATE_SUNDAY           "dimanĉo"
 #define STRING_DATE_MONDAY           "lundo"
 #define STRING_DATE_TUESDAY          "mardo"
 #define STRING_DATE_WEDNESDAY        "merkredo"
diff --git a/src/l10n/esp-ESP.h b/src/l10n/esp-ESP.h
index 190ee9c82..e7913d4af 100644
--- a/src/l10n/esp-ESP.h
+++ b/src/l10n/esp-ESP.h
@@ -617,7 +617,6 @@
 #define STRING_DATE_NOVEMBER         "noviembre"
 #define STRING_DATE_DECEMBER         "diciembre"
 
-#define STRING_DATE_SUNDAY           "domingo"
 #define STRING_DATE_MONDAY           "lunes"
 #define STRING_DATE_TUESDAY          "martes"
 #define STRING_DATE_WEDNESDAY        "miércoles"
diff --git a/src/l10n/fra-FRA.h b/src/l10n/fra-FRA.h
index 9688400ac..985c09bf6 100644
--- a/src/l10n/fra-FRA.h
+++ b/src/l10n/fra-FRA.h
@@ -607,7 +607,6 @@
 #define STRING_DATE_NOVEMBER         "novembre"
 #define STRING_DATE_DECEMBER         "décembre"
 
-#define STRING_DATE_SUNDAY           "dimanche"
 #define STRING_DATE_MONDAY           "lundi"
 #define STRING_DATE_TUESDAY          "mardi"
 #define STRING_DATE_WEDNESDAY        "mercredi"
diff --git a/src/l10n/ita-ITA.h b/src/l10n/ita-ITA.h
index 7bcf8ca48..aa35c4e3e 100644
--- a/src/l10n/ita-ITA.h
+++ b/src/l10n/ita-ITA.h
@@ -606,7 +606,6 @@
 #define STRING_DATE_NOVEMBER         "novembre"
 #define STRING_DATE_DECEMBER         "decembre"
 
-#define STRING_DATE_SUNDAY           "domenica"
 #define STRING_DATE_MONDAY           "lunedì"
 #define STRING_DATE_TUESDAY          "martedì"
 #define STRING_DATE_WEDNESDAY        "mercoledì"
diff --git a/src/l10n/jpn-JPN.h b/src/l10n/jpn-JPN.h
index 3a63a17a6..8072db2be 100644
--- a/src/l10n/jpn-JPN.h
+++ b/src/l10n/jpn-JPN.h
@@ -607,7 +607,6 @@
 #define STRING_DATE_NOVEMBER         "november"
 #define STRING_DATE_DECEMBER         "december"
 
-#define STRING_DATE_SUNDAY           "sunday"
 #define STRING_DATE_MONDAY           "monday"
 #define STRING_DATE_TUESDAY          "tuesday"
 #define STRING_DATE_WEDNESDAY        "wednesday"
diff --git a/src/l10n/pol-POL.h b/src/l10n/pol-POL.h
index a56c86a4e..16898f8e1 100644
--- a/src/l10n/pol-POL.h
+++ b/src/l10n/pol-POL.h
@@ -607,7 +607,6 @@
 #define STRING_DATE_NOVEMBER         "listopad"
 #define STRING_DATE_DECEMBER         "grudzień"
 
-#define STRING_DATE_SUNDAY           "niedziela"
 #define STRING_DATE_MONDAY           "poniedziałek"
 #define STRING_DATE_TUESDAY          "wtorek"
 #define STRING_DATE_WEDNESDAY        "środa"
diff --git a/src/l10n/por-PRT.h b/src/l10n/por-PRT.h
index 78703f32f..902e2bf9d 100644
--- a/src/l10n/por-PRT.h
+++ b/src/l10n/por-PRT.h
@@ -607,7 +607,6 @@
 #define STRING_DATE_NOVEMBER         "novembro"
 #define STRING_DATE_DECEMBER         "dezembro"
 
-#define STRING_DATE_SUNDAY           "domingo"
 #define STRING_DATE_MONDAY           "segunda-feira"
 #define STRING_DATE_TUESDAY          "terça-feira"
 #define STRING_DATE_WEDNESDAY        "quarta-feira"