diff --git a/src/client/actions/GuildDelete.js b/src/client/actions/GuildDelete.js
index a6a98d57a..3edd6fbe2 100644
--- a/src/client/actions/GuildDelete.js
+++ b/src/client/actions/GuildDelete.js
@@ -15,7 +15,7 @@ class GuildDeleteAction extends Action {
     let guild = client.guilds.cache.get(data.id);
     if (guild) {
       for (const channel of guild.channels.cache.values()) {
-        if (channel.type in TextBasedChannelTypes) channel.stopTyping(true);
+        if (TextBasedChannelTypes.includes(channel.type)) channel.stopTyping(true);
       }
 
       if (data.unavailable) {
diff --git a/src/client/actions/MessageReactionAdd.js b/src/client/actions/MessageReactionAdd.js
index a3638ce30..452ed6b12 100644
--- a/src/client/actions/MessageReactionAdd.js
+++ b/src/client/actions/MessageReactionAdd.js
@@ -23,7 +23,7 @@ class MessageReactionAdd extends Action {
 
     // Verify channel
     const channel = this.getChannel(data);
-    if (!channel || channel.type in VoiceBasedChannelTypes) return false;
+    if (!channel || VoiceBasedChannelTypes.includes(channel.type)) return false;
 
     // Verify message
     const message = this.getMessage(data, channel);
diff --git a/src/client/actions/MessageReactionRemove.js b/src/client/actions/MessageReactionRemove.js
index c21c2cc5c..8b66899e2 100644
--- a/src/client/actions/MessageReactionRemove.js
+++ b/src/client/actions/MessageReactionRemove.js
@@ -20,7 +20,7 @@ class MessageReactionRemove extends Action {
 
     // Verify channel
     const channel = this.getChannel(data);
-    if (!channel || channel.type in VoiceBasedChannelTypes) return false;
+    if (!channel || VoiceBasedChannelTypes.includes(channel.type)) return false;
 
     // Verify message
     const message = this.getMessage(data, channel);
diff --git a/src/client/actions/MessageReactionRemoveAll.js b/src/client/actions/MessageReactionRemoveAll.js
index 70ab720a2..404ef9453 100644
--- a/src/client/actions/MessageReactionRemoveAll.js
+++ b/src/client/actions/MessageReactionRemoveAll.js
@@ -7,7 +7,7 @@ class MessageReactionRemoveAll extends Action {
   handle(data) {
     // Verify channel
     const channel = this.getChannel(data);
-    if (!channel || channel.type in VoiceBasedChannelTypes) return false;
+    if (!channel || VoiceBasedChannelTypes.includes(channel.type)) return false;
 
     // Verify message
     const message = this.getMessage(data, channel);
diff --git a/src/client/actions/MessageReactionRemoveEmoji.js b/src/client/actions/MessageReactionRemoveEmoji.js
index fff47611d..8a8a71e23 100644
--- a/src/client/actions/MessageReactionRemoveEmoji.js
+++ b/src/client/actions/MessageReactionRemoveEmoji.js
@@ -6,7 +6,7 @@ const { Events, VoiceBasedChannelTypes } = require('../../util/Constants');
 class MessageReactionRemoveEmoji extends Action {
   handle(data) {
     const channel = this.getChannel(data);
-    if (!channel || channel.type in VoiceBasedChannelTypes) return false;
+    if (!channel || VoiceBasedChannelTypes.includes(channel.type)) return false;
 
     const message = this.getMessage(data, channel);
     if (!message) return false;
diff --git a/src/client/actions/TypingStart.js b/src/client/actions/TypingStart.js
index 6e6495cf5..ba1c58704 100644
--- a/src/client/actions/TypingStart.js
+++ b/src/client/actions/TypingStart.js
@@ -9,7 +9,7 @@ class TypingStart extends Action {
     if (!channel) {
       return;
     }
-    if (!(channel.type in TextBasedChannelTypes)) {
+    if (!TextBasedChannelTypes.includes(channel.type)) {
       this.client.emit(Events.WARN, `Discord sent a typing packet to a ${channel.type} channel ${channel.id}`);
       return;
     }
diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index 24616ec21..d5150393e 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -573,7 +573,7 @@ class GuildChannel extends Channel {
    */
   get manageable() {
     if (this.client.user.id === this.guild.ownerId) return true;
-    if (this.type in VoiceBasedChannelTypes) {
+    if (VoiceBasedChannelTypes.includes(this.type)) {
       if (!this.permissionsFor(this.client.user).has(Permissions.FLAGS.CONNECT, false)) {
         return false;
       }