diff --git a/src/buttons/music/queueList-prec.ts b/src/buttons/music/queueList-prec.ts
index 6326dd4..2c4c8ca 100644
--- a/src/buttons/music/queueList-prec.ts
+++ b/src/buttons/music/queueList-prec.ts
@@ -19,7 +19,7 @@ export default {
   },
   interaction: async (interaction: MessageComponentInteraction, client: Client) => {
     const loc = getLocale(client, interaction.locale);
-    const embed_desc = interaction.message.embeds.at(0)?.author?.name as string;
+    const embed_desc = interaction.message.embeds.at(0)!.author!.name;
 
     // Retrieve Pages
     const pageMax = Number(/(\d+)(?!.*\d)/gm.exec(embed_desc)?.[0]);
diff --git a/src/commands/loader.ts b/src/commands/loader.ts
index b8b1c24..562a93e 100644
--- a/src/commands/loader.ts
+++ b/src/commands/loader.ts
@@ -64,14 +64,14 @@ export default async (client: Client) => {
 
   scopedCommands.forEach(
     async (command, guild) =>
-      await rest.put(Routes.applicationGuildCommands(client.user?.id as string, guild), {
+      await rest.put(Routes.applicationGuildCommands(client.user!.id, guild), {
         body: command,
       }),
   );
 
   // Send global commands to Discord
   const globalCommands = commands.filter((c) => c.scope().length === 0);
-  return await rest.put(Routes.applicationCommands(client.user?.id as string), {
+  return await rest.put(Routes.applicationCommands(client.user!.id), {
     body: globalCommands.map((c) => c.data.toJSON()),
   });
 };
diff --git a/src/commands/misc/reminder.ts b/src/commands/misc/reminder.ts
index 4c2c234..4d9fdc2 100644
--- a/src/commands/misc/reminder.ts
+++ b/src/commands/misc/reminder.ts
@@ -145,14 +145,14 @@ export default {
       case loc_default?.get(`c_${filename}_sub1_name`)?.toLowerCase(): {
         // If time is already renseigned
         const time = interaction.options.getString(
-          loc_default?.get(`c_${filename}_sub1_opt1_name`) as string,
+          loc_default!.get(`c_${filename}_sub1_opt1_name`)!,
         );
         if (time != null) {
           // Use the cli because we already have enough data
           return newReminder(client, time, {
             locale: interaction.locale,
             message: interaction.options.getString(
-              loc_default?.get(`c_${filename}_sub1_opt2_name`) as string,
+              loc_default!.get(`c_${filename}_sub1_opt2_name`)!,
             ),
             createdAt: interaction.createdAt.getTime(),
             channelId: interaction.channelId,
@@ -202,17 +202,13 @@ export default {
       // List reminders
       case loc_default?.get(`c_${filename}_sub2_name`)?.toLowerCase(): {
         // Which user to show
-        let user = interaction.options.getUser(
-          loc_default?.get(`c_${filename}_sub2_opt1_name`) as string,
-        );
+        let user = interaction.options.getUser(loc_default!.get(`c_${filename}_sub2_opt1_name`)!);
         if (user === null) {
           user = interaction.user;
         }
 
         const page =
-          interaction.options.getInteger(
-            loc_default?.get(`c_${filename}_sub2_opt2_name`) as string,
-          ) ?? 1;
+          interaction.options.getInteger(loc_default!.get(`c_${filename}_sub2_opt2_name`)!) ?? 1;
         const list = await embedListReminders(
           client,
           user,
@@ -253,7 +249,7 @@ export default {
       // Delete a reminder
       case loc_default?.get(`c_${filename}_sub3_name`)?.toLowerCase(): {
         const id = interaction.options.getInteger(
-          loc_default?.get(`c_${filename}_sub3_opt1_name`) as string,
+          loc_default!.get(`c_${filename}_sub3_opt1_name`)!,
         );
         if (id === null) {
           return interaction.reply({
diff --git a/src/commands/music/lyrics.ts b/src/commands/music/lyrics.ts
index 27088c2..affe0e3 100644
--- a/src/commands/music/lyrics.ts
+++ b/src/commands/music/lyrics.ts
@@ -74,9 +74,7 @@ export default {
 
     const loc = getLocale(client, interaction.locale);
 
-    let request = interaction.options.getString(
-      loc_default?.get(`c_${filename}_opt1_name`) as string,
-    );
+    let request = interaction.options.getString(loc_default!.get(`c_${filename}_opt1_name`)!);
 
     let data = null;
     await interaction.deferReply();
diff --git a/src/commands/music/play.ts b/src/commands/music/play.ts
index 7e8a274..0c6311c 100644
--- a/src/commands/music/play.ts
+++ b/src/commands/music/play.ts
@@ -93,9 +93,7 @@ export default {
       });
     }
 
-    const query = interaction.options.getString(
-      loc_default?.get(`c_${filename}_opt1_name`) as string,
-    );
+    const query = interaction.options.getString(loc_default!.get(`c_${filename}_opt1_name`)!);
 
     const player = useMainPlayer();
     if (!query) {
@@ -191,10 +189,7 @@ export default {
     const filename = getFilename(__filename);
 
     const player = useMainPlayer();
-    const query = interaction.options.getString(
-      loc_default?.get(`c_${filename}_opt1_name`) as string,
-      true,
-    );
+    const query = interaction.options.getString(loc_default!.get(`c_${filename}_opt1_name`)!, true);
 
     const limit_value_discord = 100;
 
diff --git a/src/commands/music/queue.ts b/src/commands/music/queue.ts
index 5a761c4..17f26cb 100644
--- a/src/commands/music/queue.ts
+++ b/src/commands/music/queue.ts
@@ -103,9 +103,7 @@ export default {
         // Show the queue
         case loc_default?.get(`c_${filename}_sub1_name`)?.toLowerCase(): {
           const page =
-            interaction.options.getNumber(
-              loc_default?.get(`c_${filename}_sub1_opt1_name`) as string,
-            ) ?? 1;
+            interaction.options.getNumber(loc_default!.get(`c_${filename}_sub1_opt1_name`)!) ?? 1;
 
           embedListQueue(client, embed, queue, page, interaction.locale);
 
@@ -152,7 +150,7 @@ export default {
         // Remove <ID>
         case loc_default?.get(`c_${filename}_sub3_name`)?.toLowerCase(): {
           const id = interaction.options.getNumber(
-            loc_default?.get(`c_${filename}_sub3_opt1_name`) as string,
+            loc_default!.get(`c_${filename}_sub3_opt1_name`)!,
           )!;
 
           const track = queue.removeTrack(id - 1);
diff --git a/src/events/message/messageCreate.ts b/src/events/message/messageCreate.ts
index c76e35c..9d4d349 100644
--- a/src/events/message/messageCreate.ts
+++ b/src/events/message/messageCreate.ts
@@ -51,10 +51,10 @@ export default async (message: Message, client: Client) => {
               return data;
             }
 
-            const channel = message.guild.channels.cache.get(channel_id) as TextBasedChannel;
+            const channel = message.guild.channels.cache.get(channel_id);
 
             // If channel doesn't exist in the guild and isn't text
-            if (!channel) {
+            if (!channel || !channel.isTextBased()) {
               return data;
             }
 
@@ -70,9 +70,10 @@ export default async (message: Message, client: Client) => {
           // If it's a reference, we only check for reference once
           const message_reference = quoted_message?.reference;
           if (message_reference && message_reference.messageId) {
-            const channel_reference = client.channels.cache.get(
-              message_reference.channelId,
-            ) as TextBasedChannel;
+            const channel_reference = client.channels.cache.get(message_reference.channelId);
+            if (!channel_reference?.isTextBased()) {
+              return;
+            }
 
             quoted_message = await channel_reference.messages
               .fetch(message_reference.messageId)
@@ -105,12 +106,9 @@ export default async (message: Message, client: Client) => {
 
     // Handle attachments
     if (quoted_post?.attachments.size !== 0) {
-      if (
-        quoted_post?.attachments.size === 1 &&
-        isImage(quoted_post.attachments.first()?.name as string)
-      ) {
+      if (quoted_post?.attachments.size === 1 && isImage(quoted_post.attachments.first()!.name)) {
         // Only contains one image
-        embed.setImage(quoted_post.attachments.first()?.url as string);
+        embed.setImage(quoted_post.attachments.first()!.url);
       } else {
         // Contains more than one image and/or other files
         let files = "";
@@ -133,11 +131,7 @@ export default async (message: Message, client: Client) => {
     }
 
     // Footer
-    let footer = `Posté le ${showDate(
-      client.config.default_lang,
-      loc,
-      quoted_post?.createdAt as Date,
-    )}`;
+    let footer = `Posté le ${showDate(client.config.default_lang, loc, quoted_post!.createdAt)}`;
     if (quoted_post?.editedAt) {
       footer += ` et modifié le ${showDate(client.config.default_lang, loc, quoted_post.editedAt)}`;
     }
diff --git a/src/modals/misc/reminderGUI.ts b/src/modals/misc/reminderGUI.ts
index 1d4639b..35d46d8 100644
--- a/src/modals/misc/reminderGUI.ts
+++ b/src/modals/misc/reminderGUI.ts
@@ -7,7 +7,7 @@ export default {
     name: getFilename(__filename),
   },
   interaction: async (interaction: ModalSubmitInteraction, client: Client) =>
-    newReminder(client, interaction.fields.fields.get("reminderGUI-time")?.value as string, {
+    newReminder(client, interaction.fields.fields.get("reminderGUI-time")!.value, {
       locale: interaction.locale,
       message: interaction.fields.fields.get("reminderGUI-message")?.value ?? null,
       createdAt: interaction.createdAt.getTime(),