diff --git a/i18n/en.json b/i18n/en.json
index 935af52f99..0207d660ea 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -697,11 +697,11 @@
   },
   {
     "id": "api.post.check_for_out_of_channel_mentions.message.multiple",
-    "translation": "{{.Usernames}} and {{.LastUsername}} were mentioned, but they do not belong to this channel."
+    "translation": "{{.Usernames}} and {{.LastUsername}} were mentioned, but they did not receive notifications because they do not belong to this channel."
   },
   {
     "id": "api.post.check_for_out_of_channel_mentions.message.one",
-    "translation": "{{.Username}} was mentioned, but does not belong to this channel."
+    "translation": "{{.Username}} was mentioned, but they did not receive a notification because they do not belong to this channel."
   },
   {
     "id": "api.post.create_post.bad_filename.error",
diff --git a/i18n/es.json b/i18n/es.json
index 06a725e186..924ce59d2c 100644
--- a/i18n/es.json
+++ b/i18n/es.json
@@ -695,14 +695,6 @@
     "id": "api.oauth.revoke_access_token.get.app_error",
     "translation": "Error obteniendo el token de acceso desde la BD antes de ser eliminado"
   },
-  {
-    "id": "api.post.check_for_out_of_channel_mentions.message.multiple",
-    "translation": "{{.Usernames}} y {{.LastUsername}} fueron mencionados, pero no pertenecen a este canal."
-  },
-  {
-    "id": "api.post.check_for_out_of_channel_mentions.message.one",
-    "translation": "{{.Username}} fue mencionado, pero no pertenece a este canal."
-  },
   {
     "id": "api.post.create_post.bad_filename.error",
     "translation": "Nombre errado de archivo descartado, archivo=%v"
diff --git a/i18n/fr.json b/i18n/fr.json
index 300e1c0deb..c52e17af80 100644
--- a/i18n/fr.json
+++ b/i18n/fr.json
@@ -695,14 +695,6 @@
     "id": "api.oauth.revoke_access_token.get.app_error",
     "translation": "Erreur lors de la récupération du jeton d'accès avant suppression"
   },
-  {
-    "id": "api.post.check_for_out_of_channel_mentions.message.multiple",
-    "translation": "{{.Usernames}} et {{.LastUsername}} sont mentionnés, mais ne participent pas à ce canal."
-  },
-  {
-    "id": "api.post.check_for_out_of_channel_mentions.message.one",
-    "translation": "{{.Username}} a été mentionné, mais ne participe pas à ce canal."
-  },
   {
     "id": "api.post.create_post.bad_filename.error",
     "translation": "Nom de fichier invalide supprimé, filename=%v"
@@ -3671,4 +3663,4 @@
     "id": "web.watcher_fail.error",
     "translation": "Échec de l'ajout du dossier à l'observateur %v"
   }
-]
\ No newline at end of file
+]
diff --git a/i18n/pt.json b/i18n/pt.json
index de2163e638..11ab26d6ca 100644
--- a/i18n/pt.json
+++ b/i18n/pt.json
@@ -695,14 +695,6 @@
     "id": "api.oauth.revoke_access_token.get.app_error",
     "translation": "Erro ao obter o token de acesso do BD antes da exclusão"
   },
-  {
-    "id": "api.post.check_for_out_of_channel_mentions.message.multiple",
-    "translation": "{{.Usernames}} e {{.LastUsername}} foram mencionados, mas eles não pertencem a este canal."
-  },
-  {
-    "id": "api.post.check_for_out_of_channel_mentions.message.one",
-    "translation": "{{.Username}} foi mencionado, mas ele não pertence a este canal."
-  },
   {
     "id": "api.post.create_post.bad_filename.error",
     "translation": "Nome ruim do arquivo descartado, nome do arquivo=%v"
@@ -3671,4 +3663,4 @@
     "id": "web.watcher_fail.error",
     "translation": "Falha ao adicionar diretório observador %v"
   }
-]
\ No newline at end of file
+]