diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index f0f65127..9b4a5328 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s a ihned při lokálních změnách</string>
   <string name="settings_sync_summary_not_available">Nedostupný</string>
   <string name="settings_sync_interval_calendars">Interval synchronizace kalendáře</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Pouze manuálně</item>
-    <item>Každých 5 minut</item>
-    <item>Každých 10 minut</item>
     <item>Každých 15 minut</item>
     <item>Každou hodinu</item>
     <item>Každé 2 hodiny</item>
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index feba51e7..7472f248 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -72,20 +72,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + øjeblikkeligt ved lokale ændringer</string>
   <string name="settings_sync_summary_not_available">Ikke tilgængeligt</string>
   <string name="settings_sync_interval_calendars">Synkroniseringsinterval for kalender</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Kun manuelt</item>
-    <item>Hver 5. minut</item>
-    <item>Hver 10. minut</item>
     <item>Hver 15. minut</item>
     <item>En gang i timen</item>
     <item>En gang hver 2. time</item>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index ac2bcf2b..328af49c 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -136,8 +136,6 @@
   <string name="settings_sync_interval_calendars">Häufigkeit der Kalender-Synchronisation</string>
   <string-array name="settings_sync_interval_names">
     <item>Nur mauell manually</item>
-    <item>Alle 5 Minuten</item>
-    <item>Alle 10 Minuten</item>
     <item>Alle 15 Minuten</item>
     <item>Jede Stunde</item>
     <item>Alle 2 Stunde</item>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index ba899fc8..7eba4331 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + inmediatamente con cambios locales</string>
   <string name="settings_sync_summary_not_available">No disponible</string>
   <string name="settings_sync_interval_calendars">Intervalo de sincronización de calendarios</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Solo manualmente</item>
-    <item>Cada 5 minutos</item>
-    <item>Cada 10 minutos</item>
     <item>Cada 15 minutos</item>
     <item>Cada hora</item>
     <item>Cada 2 horas</item>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index fa68e04a..cb7424d0 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s et immédiatement après un changement local</string>
   <string name="settings_sync_summary_not_available">Indisponible</string>
   <string name="settings_sync_interval_calendars">Interval de synchronisation des agendas</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Manuellement</item>
-    <item>Toutes les 5 minutes</item>
-    <item>Toutes les 10 minutes</item>
     <item>Toutes les 15 minutes</item>
     <item>Toutes les heures</item>
     <item>Toutes les 2 heures</item>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index d3ebb1c6..f2fb867e 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + az eszközön történt módosítás után</string>
   <string name="settings_sync_summary_not_available">Nem elérhető</string>
   <string name="settings_sync_interval_calendars">Naptárszinkronizálás sűrűsége</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Manuális</item>
-    <item>5 percenként</item>
-    <item>10 percenként</item>
     <item>15 percenként</item>
     <item>Óránként</item>
     <item>2 óránként</item>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index ba3290bc..5b8af52a 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -83,20 +83,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s e a seguito di ogni cambiamento locale</string>
   <string name="settings_sync_summary_not_available">Non disponile</string>
   <string name="settings_sync_interval_calendars">Intervallo sincr. calendari</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Solo manualmente</item>
-    <item>Ogni 5 minuti</item>
-    <item>Ogni 10 minuti</item>
     <item>Ogni 15 minuti</item>
     <item>Ogni ora</item>
     <item>Ogni 2 ore</item>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index e897feb1..c0fb9286 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -87,8 +87,6 @@
   <string name="settings_sync_interval_calendars">カレンダー同期間隔</string>
   <string-array name="settings_sync_interval_names">
     <item>手動のみ</item>
-    <item>5 分ごと</item>
-    <item>10 分ごと</item>
     <item>15 分ごと</item>
     <item>1 時間ごと</item>
     <item>2 時間ごと</item>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index 256265a9..36544ea8 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -263,8 +263,6 @@
     <string name="settings_sync_summary_not_available">Ikke tilgjengelig</string>
     <string-array name="settings_sync_interval_names">
         <item>Bare manuelt</item>
-        <item>Hvert 5. minutt</item>
-        <item>Hvert 10. minutt</item>
         <item>Hvert 15. minutt</item>
         <item>Hver time</item>
         <item>Annenhver time</item>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index b5276360..37b70bdc 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -79,20 +79,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + meteen na wijziging</string>
   <string name="settings_sync_summary_not_available">Niet beschikbaar</string>
   <string name="settings_sync_interval_calendars">Agenda\'s verversen</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Alleen handmatig</item>
-    <item>Elke 5 minuten</item>
-    <item>Elke 10 minuten</item>
     <item>Elke 15 minuten</item>
     <item>Elk uur</item>
     <item>Elke 2 uur</item>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 0973828d..824db17d 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -213,20 +213,8 @@
     <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s oraz natychmiast przy zmianach lokalnych</string>
     <string name="settings_sync_summary_not_available">Niedostępne</string>
     <string name="settings_sync_interval_calendars">Okres synchronizacji kalendarzy</string>
-    <string-array name="settings_sync_interval_seconds" translateable="false">
-        <item>-1</item>
-        <item>300</item>
-        <item>600</item>
-        <item>900</item>
-        <item>3600</item>
-        <item>7200</item>
-        <item>14400</item>
-        <item>86400</item>
-    </string-array>
     <string-array name="settings_sync_interval_names">
         <item>Tylko ręcznie</item>
-        <item>Co 5 minut</item>
-        <item>Co 10 minut</item>
         <item>Co 15 minut</item>
         <item>Co godzinę</item>
         <item>Co 2 godziny</item>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 5830b1c9..c616b817 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + imediatamente nas alterações locais</string>
   <string name="settings_sync_summary_not_available">Indisponível</string>
   <string name="settings_sync_interval_calendars">Intervalo sinc. de calendários</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Apenas manualmente</item>
-    <item>A cada 5 minutos</item>
-    <item>A cada 10 minutos</item>
     <item>A cada 15 minutos</item>
     <item>A cada hora</item>
     <item>A cada 2 horas</item>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 3df5fe52..d0c4691a 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -21,20 +21,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + imediatamente em alterações locais</string>
   <string name="settings_sync_summary_not_available">Não avaliado</string>
   <string name="settings_sync_interval_calendars">Intervalo de sincronização do calendário</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Apenas manualmente</item>
-    <item>A cada 5 minutos</item>
-    <item>A cada 10 minutos</item>
     <item>A cada 15 minutos</item>
     <item>A cada hora</item>
     <item>A cada 2 horas</item>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 3911871e..adbfd1fd 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -22,20 +22,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s и немедленно при локальных изменениях</string>
   <string name="settings_sync_summary_not_available">Недоступно</string>
   <string name="settings_sync_interval_calendars">Период синхронизации календарей</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Вручную</item>
-    <item>Каждые 5 минут</item>
-    <item>Каждые 10 минут</item>
     <item>Каждые 15 минут</item>
     <item>Каждый час</item>
     <item>Каждые 2 часа</item>
diff --git a/app/src/main/res/values-sr/strings.xml b/app/src/main/res/values-sr/strings.xml
index 0f69cef1..969cd215 100644
--- a/app/src/main/res/values-sr/strings.xml
+++ b/app/src/main/res/values-sr/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + одмах по локалним изменама</string>
   <string name="settings_sync_summary_not_available">Није доступно</string>
   <string name="settings_sync_interval_calendars">Интервал синх. календара</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Само ручно</item>
-    <item>Сваких 5 минута</item>
-    <item>Сваких 10 минута</item>
     <item>Сваких 15 минута</item>
     <item>Сваког сата</item>
     <item>Свака 2 сата</item>
diff --git a/app/src/main/res/values-tr-rTR/strings.xml b/app/src/main/res/values-tr-rTR/strings.xml
index 62de631c..47eee500 100644
--- a/app/src/main/res/values-tr-rTR/strings.xml
+++ b/app/src/main/res/values-tr-rTR/strings.xml
@@ -72,20 +72,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s + yerel değişikliklerde hemen</string>
   <string name="settings_sync_summary_not_available">Mevcut değil</string>
   <string name="settings_sync_interval_calendars">Takvimler senk. aralığı</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Sadece elle</item>
-    <item>Her 5 dakikada bir</item>
-    <item>Her 10 dakikada bir</item>
     <item>Her 15 dakikada bir</item>
     <item>Her saatte bir</item>
     <item>Her 2 saatte bir</item>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 97dda1bb..0102e5fc 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -21,20 +21,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s, а також негайно при внесенні локальних змін</string>
   <string name="settings_sync_summary_not_available">Не доступно</string>
   <string name="settings_sync_interval_calendars">Інтервал синхронізації календарів</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>Лише вручну</item>
-    <item>Кожних 5 хвилин</item>
-    <item>Кожних 10 хвилин</item>
     <item>Кожних 15 хвилин</item>
     <item>Щогодини</item>
     <item>Кожних 2 години</item>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 9116e656..3fbe577e 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -85,20 +85,8 @@
   <string name="settings_sync_summary_periodically" tools:ignore="PluralsCandidate">%s 钟或本地修改后</string>
   <string name="settings_sync_summary_not_available">不可用</string>
   <string name="settings_sync_interval_calendars">日历自动同步间隔</string>
-  <string-array name="settings_sync_interval_seconds">
-    <item>-1</item>
-    <item>300</item>
-    <item>600</item>
-    <item>900</item>
-    <item>3600</item>
-    <item>7200</item>
-    <item>14400</item>
-    <item>86400</item>
-  </string-array>
   <string-array name="settings_sync_interval_names">
     <item>手动同步</item>
-    <item>每 5 分钟</item>
-    <item>每 10 分钟</item>
     <item>每 15 分钟</item>
     <item>每 1 小时</item>
     <item>每 2 小时</item>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 35180ccf..6c55799c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -266,8 +266,6 @@
     <string name="settings_sync_summary_not_available">Not available</string>
     <string-array name="settings_sync_interval_seconds" translateable="false">
         <item>-1</item>
-        <item>300</item>
-        <item>600</item>
         <item>900</item>
         <item>3600</item>
         <item>7200</item>
@@ -276,8 +274,6 @@
     </string-array>
     <string-array name="settings_sync_interval_names">
         <item>Only manually</item>
-        <item>Every 5 minutes</item>
-        <item>Every 10 minutes</item>
         <item>Every 15 minutes</item>
         <item>Every hour</item>
         <item>Every 2 hours</item>