diff --git a/src/i18n/strings/eo.json b/src/i18n/strings/eo.json
index 6b0cb71a45..5c3c605fd3 100644
--- a/src/i18n/strings/eo.json
+++ b/src/i18n/strings/eo.json
@@ -1,10 +1,8 @@
 {
     "Dismiss": "Rezigni",
-    "powered by Matrix": "povigita per Matrix",
     "Unknown device": "Nekonata aparato",
     "You need to be using HTTPS to place a screen-sharing call.": "Vi devas uzi HTTPS por ekran-kundivide alvoki.",
     "Welcome to Element": "Bonvenon al Element",
-    "Decentralised, encrypted chat & collaboration powered by [matrix]": "Malcentra, ĉifrita babilado & kunlaboro povigita per [matrix]",
     "Sign In": "Ensaluti",
     "Create Account": "Krei konton",
     "Explore rooms": "Esplori ĉambrojn",
@@ -14,10 +12,7 @@
     "The message from the parser is: %(message)s": "La mesaĝo el la analizilo estas: %(message)s",
     "Invalid JSON": "Nevalida JSON",
     "Go to your browser to complete Sign In": "Iru al via retumilo por finpretigi la ensaluton",
-    "Open user settings": "Malfermi agordojn de uzanto",
     "Unable to load config file: please refresh the page to try again.": "Ne povas enlegi agordan dosieron: bonvolu reprovi per aktualigo de la paĝo.",
-    "Previous/next recently visited room or community": "Antaŭa/sekva freŝe vizitita ĉambro aŭ komunumo",
-    "Missing indexeddb worker script!": "Mankas fonskripto «indexeddb»!",
     "%(brand)s Desktop (%(platformName)s)": "%(brand)s labortabla (%(platformName)s)",
     "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
     "Unsupported browser": "Nesubtenata retumilo",
@@ -34,6 +29,5 @@
     "%(brand)s uses advanced browser features which aren't supported by your current browser.": "%(brand)s uzas specialajn funkciojn de retumilo, kiujn via nuna retumilo ne subtenas.",
     "Powered by Matrix": "Povigata de Matrix",
     "Use %(brand)s on mobile": "Uzi %(brand)s poŝtelefone",
-    "Switch to space by number": "Baskuli al aro laŭ numero",
     "Decentralised, encrypted chat & collaboration powered by $matrixLogo": "Malcentralizita kaj ĉifrita babilejo; kunlaboro danke al $matrixLogo"
 }
diff --git a/src/i18n/strings/is.json b/src/i18n/strings/is.json
index 342f8ee822..3770855509 100644
--- a/src/i18n/strings/is.json
+++ b/src/i18n/strings/is.json
@@ -1,17 +1,14 @@
 {
-    "powered by Matrix": "keyrt með Matrix",
     "Welcome to Element": "Velkomin í Element",
     "Unknown device": "Óþekkt tæki",
     "Dismiss": "Hunsa",
     "You need to be using HTTPS to place a screen-sharing call.": "Þú verður að nota HTTPS til að hringja símtal með skjádeilingu.",
-    "Decentralised, encrypted chat & collaboration powered by [matrix]": "Dulritað dreifvinnsluspjall og samvinnutól keyrt með [matrix]",
     "Open": "Opna",
     "Unsupported browser": "Óstuddur vafri",
     "Your browser can't run %(brand)s": "Vafrinn þinn getur ekki keyrt %(brand)s",
     "Sign In": "Skrá inn",
     "Create Account": "Búa til notandaaðgang",
     "Explore rooms": "Kanna spjallrásir",
-    "Missing indexeddb worker script!": "Að vanta indexeddb vinnumaður tölvuhandrit!",
     "The message from the parser is: %(message)s": "Skilaboðið frá þáttaranum er %(message)s",
     "Invalid JSON": "Ógilt JSON",
     "Download Completed": "Niðurhali lokið",
@@ -26,16 +23,11 @@
     "Powered by Matrix": "Keyrt með Matrix",
     "Go to your browser to complete Sign In": "Farðu í vafrann þinn til að ljúka innskráningu",
     "%(brand)s Desktop (%(platformName)s)": "%(brand)s Desktop fyrir vinnutölvur (%(platformName)s)",
-    "Previous/next recently visited room or community": "Fyrra/næsta nýlega heimsótt herbergi eða samfélag",
-    "Open user settings": "Opna notandastillingar",
     "Unable to load config file: please refresh the page to try again.": "Ekki er hægt að hlaða stillingaskrána: endurnýjaðu síðuna til að reyna aftur.",
     "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "Element-stillingar þínar innihalda ógilt JSON. Leiðréttu vandamálið og endurlestu síðuna.",
     "Your Element is misconfigured": "Element-tilvikið þitt er rangt stillt",
     "Invalid configuration: no default server specified.": "Ógild uppsetning: enginn sjálfgefinn vefþjónn tilgreindur.",
     "Invalid configuration: can only specify one of default_server_config, default_server_name, or default_hs_url.": "Ógild uppsetning: getur aðeins tilgreint eitt af default_server_config, default_server_name eða default_hs_url.",
     "Use %(brand)s on mobile": "Nota %(brand)s í síma",
-    "Next recently visited room or community": "Næsta nýlega heimsótt rými eða samfélag",
-    "Previous recently visited room or community": "Fyrra nýlega heimsótt rými eða samfélag",
-    "Switch to space by number": "Skipta yfir í rými með númeri",
     "Decentralised, encrypted chat & collaboration powered by $matrixLogo": "Dreifstýrt, dulritað spjall og samskipti keyrt með $matrixLogo"
 }
diff --git a/src/i18n/strings/pt_BR.json b/src/i18n/strings/pt_BR.json
index 2498e4df1b..bcc106d423 100644
--- a/src/i18n/strings/pt_BR.json
+++ b/src/i18n/strings/pt_BR.json
@@ -1,10 +1,8 @@
 {
     "Dismiss": "Dispensar",
-    "powered by Matrix": "oferecido por Matrix",
     "Unknown device": "Dispositivo desconhecido",
     "You need to be using HTTPS to place a screen-sharing call.": "Você precisa estar usando HTTPS para começar uma chamada de compartilhamento de tela.",
     "Welcome to Element": "Boas-vindas a Element",
-    "Decentralised, encrypted chat & collaboration powered by [matrix]": "Chat & colaboração descentralizados e encriptados powered by [matrix]",
     "Sign In": "Fazer signin",
     "Create Account": "Criar Conta",
     "Explore rooms": "Explorar salas",
@@ -15,7 +13,6 @@
     "Invalid configuration: no default server specified.": "Configuração inválida: nenhum servidor default especificado.",
     "Unable to load config file: please refresh the page to try again.": "Incapaz de carregar arquivo de config: por favor atualize a página para tentar de novo.",
     "Download Completed": "Download Completado",
-    "Open user settings": "Abrir configurações de usuária(o)",
     "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
     "Unsupported browser": "Browser insuportado",
     "Please install <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, or <safariLink>Safari</safariLink> for the best experience.": "Por favor instale <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, ou <safariLink>Safari</safariLink> para a melhor experiência.",
@@ -23,9 +20,7 @@
     "I understand the risks and wish to continue": "Eu entendo os riscos e desejo continuar",
     "Go to element.io": "Ir para element.io",
     "Failed to start": "Falha para iniciar",
-    "Missing indexeddb worker script!": "Worker script indexeddb faltando!",
     "Open": "Abrir",
-    "Previous/next recently visited room or community": "Anterior/próxima sala ou comunidade visitada recentemente",
     "%(brand)s Desktop (%(platformName)s)": "%(brand)s Desktop (%(platformName)s)",
     "Go to your browser to complete Sign In": "Vá para seu browser para completar Sign In",
     "Your Element is misconfigured": "Seu Element está malconfigurado",
@@ -34,8 +29,5 @@
     "%(brand)s uses advanced browser features which aren't supported by your current browser.": "%(brand)s usa funcionalidade de browser avançada que não é suportada por seu browser atual.",
     "Powered by Matrix": "Powered by Matrix",
     "Use %(brand)s on mobile": "Usar %(brand)s em celular",
-    "Switch to space by number": "Trocar para espaço por número",
-    "Next recently visited room or community": "Próxima sala ou comunidade recentemente visitada",
-    "Previous recently visited room or community": "Anterior sala ou comunidade recentemente visitada",
     "Decentralised, encrypted chat &amp; collaboration powered by $matrixLogo": "Chat descentralizado e encriptado & colaboração, powered by $matrixLogo"
 }