diff --git a/src/Discord.Net.Core/Entities/Messages/IMessage.cs b/src/Discord.Net.Core/Entities/Messages/IMessage.cs
index 6f0a60e0f..e5a5ebcbe 100644
--- a/src/Discord.Net.Core/Entities/Messages/IMessage.cs
+++ b/src/Discord.Net.Core/Entities/Messages/IMessage.cs
@@ -23,17 +23,17 @@ namespace Discord
         /// <summary> Gets the author of this message. </summary>
         IUser Author { get; }
 
-        /// <summary> Returns a collection of all attachments included in this message. </summary>
+        /// <summary> Returns all attachments included in this message. </summary>
         IReadOnlyCollection<IAttachment> Attachments { get; }
-        /// <summary> Returns a collection of all embeds included in this message. </summary>
+        /// <summary> Returns all embeds included in this message. </summary>
         IReadOnlyCollection<IEmbed> Embeds { get; }
-        /// <summary> Returns a collection of all tags included in this message's content. </summary>
+        /// <summary> Returns all tags included in this message's content. </summary>
         IReadOnlyCollection<ITag> Tags { get; }
-        /// <summary> Returns a collection of channel ids mentioned in this message. </summary>
+        /// <summary> Returns the ids of channels mentioned in this message. </summary>
         IReadOnlyCollection<ulong> MentionedChannelIds { get; }
-        /// <summary> Returns a collection of roles mentioned in this message. </summary>
-        IReadOnlyCollection<IRole> MentionedRoles { get; }
-        /// <summary> Returns a collection of users mentioned in this message. </summary>
-        IReadOnlyCollection<IUser> MentionedUsers { get; }
+        /// <summary> Returns the ids of roles mentioned in this message. </summary>
+        IReadOnlyCollection<ulong> MentionedRoleIds { get; }
+        /// <summary> Returns the ids of users mentioned in this message. </summary>
+        IReadOnlyCollection<ulong> MentionedUserIds { get; }
     }
 }
\ No newline at end of file
diff --git a/src/Discord.Net.Rest/Entities/Messages/RestMessage.cs b/src/Discord.Net.Rest/Entities/Messages/RestMessage.cs
index 87999caa0..c2f9ab659 100644
--- a/src/Discord.Net.Rest/Entities/Messages/RestMessage.cs
+++ b/src/Discord.Net.Rest/Entities/Messages/RestMessage.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
+using System.Linq;
 using System.Threading.Tasks;
 using Model = Discord.API.Message;
 
@@ -23,7 +24,7 @@ namespace Discord.Rest
         public virtual IReadOnlyCollection<Attachment> Attachments => ImmutableArray.Create<Attachment>();
         public virtual IReadOnlyCollection<Embed> Embeds => ImmutableArray.Create<Embed>();
         public virtual IReadOnlyCollection<ulong> MentionedChannelIds => ImmutableArray.Create<ulong>();
-        public virtual IReadOnlyCollection<RestRole> MentionedRoles => ImmutableArray.Create<RestRole>();
+        public virtual IReadOnlyCollection<ulong> MentionedRoleIds => ImmutableArray.Create<ulong>();
         public virtual IReadOnlyCollection<RestUser> MentionedUsers => ImmutableArray.Create<RestUser>();
         public virtual IReadOnlyCollection<ITag> Tags => ImmutableArray.Create<ITag>();
 
@@ -64,7 +65,6 @@ namespace Discord.Rest
         IUser IMessage.Author => Author;
         IReadOnlyCollection<IAttachment> IMessage.Attachments => Attachments;
         IReadOnlyCollection<IEmbed> IMessage.Embeds => Embeds;
-        IReadOnlyCollection<IRole> IMessage.MentionedRoles => MentionedRoles;
-        IReadOnlyCollection<IUser> IMessage.MentionedUsers => MentionedUsers;
+        IReadOnlyCollection<ulong> IMessage.MentionedUserIds => MentionedUsers.Select(x => x.Id).ToImmutableArray();
     }
 }
diff --git a/src/Discord.Net.Rest/Entities/Messages/RestUserMessage.cs b/src/Discord.Net.Rest/Entities/Messages/RestUserMessage.cs
index f30f57023..1f27d762f 100644
--- a/src/Discord.Net.Rest/Entities/Messages/RestUserMessage.cs
+++ b/src/Discord.Net.Rest/Entities/Messages/RestUserMessage.cs
@@ -27,7 +27,7 @@ namespace Discord.Rest
         public override IReadOnlyCollection<Attachment> Attachments => _attachments;
         public override IReadOnlyCollection<Embed> Embeds => _embeds;
         public override IReadOnlyCollection<ulong> MentionedChannelIds => MessageHelper.FilterTagsByKey(TagType.ChannelMention, _tags);
-        public override IReadOnlyCollection<RestRole> MentionedRoles => MessageHelper.FilterTagsByValue<RestRole>(TagType.RoleMention, _tags);
+        public override IReadOnlyCollection<ulong> MentionedRoleIds => MessageHelper.FilterTagsByKey(TagType.RoleMention, _tags);
         public override IReadOnlyCollection<RestUser> MentionedUsers => MessageHelper.FilterTagsByValue<RestUser>(TagType.UserMention, _tags);
         public override IReadOnlyCollection<ITag> Tags => _tags;
 
diff --git a/src/Discord.Net.WebSocket/Entities/Messages/SocketMessage.cs b/src/Discord.Net.WebSocket/Entities/Messages/SocketMessage.cs
index 89bfbfb01..7093fabb6 100644
--- a/src/Discord.Net.WebSocket/Entities/Messages/SocketMessage.cs
+++ b/src/Discord.Net.WebSocket/Entities/Messages/SocketMessage.cs
@@ -60,8 +60,8 @@ namespace Discord.WebSocket
         IReadOnlyCollection<IAttachment> IMessage.Attachments => Attachments;
         IReadOnlyCollection<IEmbed> IMessage.Embeds => Embeds;
         IReadOnlyCollection<ulong> IMessage.MentionedChannelIds => MentionedChannels.Select(x => x.Id).ToImmutableArray();
-        IReadOnlyCollection<IRole> IMessage.MentionedRoles => MentionedRoles;
-        IReadOnlyCollection<IUser> IMessage.MentionedUsers => MentionedUsers;
+        IReadOnlyCollection<ulong> IMessage.MentionedRoleIds => MentionedRoles.Select(x => x.Id).ToImmutableArray();
+        IReadOnlyCollection<ulong> IMessage.MentionedUserIds => MentionedUsers.Select(x => x.Id).ToImmutableArray();
         ulong IMessage.ChannelId => Channel.Id;
     }
 }