diff --git a/src/Discord.Net.Commands/Attributes/AliasAttribute.cs b/src/Discord.Net.Commands/Attributes/AliasAttribute.cs
index 6e115bd6..6cd0abbb 100644
--- a/src/Discord.Net.Commands/Attributes/AliasAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/AliasAttribute.cs
@@ -3,7 +3,7 @@ using System;
 namespace Discord.Commands
 {
     /// <summary> Provides aliases for a command. </summary>
-    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
     public class AliasAttribute : Attribute
     {
         /// <summary> The aliases which have been defined for the command. </summary>
diff --git a/src/Discord.Net.Commands/Attributes/CommandAttribute.cs b/src/Discord.Net.Commands/Attributes/CommandAttribute.cs
index 5ae6092e..5f8e9cea 100644
--- a/src/Discord.Net.Commands/Attributes/CommandAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/CommandAttribute.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 
 namespace Discord.Commands
 {
-    [AttributeUsage(AttributeTargets.Method)]
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
     public class CommandAttribute : Attribute
     {
         public string Text { get; }
diff --git a/src/Discord.Net.Commands/Attributes/DontAutoLoadAttribute.cs b/src/Discord.Net.Commands/Attributes/DontAutoLoadAttribute.cs
index d6a1c646..cc23a6d1 100644
--- a/src/Discord.Net.Commands/Attributes/DontAutoLoadAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/DontAutoLoadAttribute.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 
 namespace Discord.Commands
 {
-    [AttributeUsage(AttributeTargets.Class)]
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
     public class DontAutoLoadAttribute : Attribute
     {
     }
diff --git a/src/Discord.Net.Commands/Attributes/DontInjectAttribute.cs b/src/Discord.Net.Commands/Attributes/DontInjectAttribute.cs
index bd966e12..c982d93a 100644
--- a/src/Discord.Net.Commands/Attributes/DontInjectAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/DontInjectAttribute.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace Discord.Commands {
 
-  [AttributeUsage(AttributeTargets.Property)]
+  [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
   public class DontInjectAttribute : Attribute {
   }
 
diff --git a/src/Discord.Net.Commands/Attributes/GroupAttribute.cs b/src/Discord.Net.Commands/Attributes/GroupAttribute.cs
index 105d256e..b1760d14 100644
--- a/src/Discord.Net.Commands/Attributes/GroupAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/GroupAttribute.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 
 namespace Discord.Commands
 {
-    [AttributeUsage(AttributeTargets.Class)]
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
     public class GroupAttribute : Attribute
     {
         public string Prefix { get; }
diff --git a/src/Discord.Net.Commands/Attributes/NameAttribute.cs b/src/Discord.Net.Commands/Attributes/NameAttribute.cs
index 0a5156fe..4a4b2bfe 100644
--- a/src/Discord.Net.Commands/Attributes/NameAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/NameAttribute.cs
@@ -3,7 +3,7 @@ using System;
 namespace Discord.Commands
 {
     // Override public name of command/module
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class | AttributeTargets.Parameter)]
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class | AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
     public class NameAttribute : Attribute
     {
         public string Text { get; }
diff --git a/src/Discord.Net.Commands/Attributes/OverrideTypeReaderAttribute.cs b/src/Discord.Net.Commands/Attributes/OverrideTypeReaderAttribute.cs
index 37f685c9..44ab6d21 100644
--- a/src/Discord.Net.Commands/Attributes/OverrideTypeReaderAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/OverrideTypeReaderAttribute.cs
@@ -4,7 +4,7 @@ using System.Reflection;
 
 namespace Discord.Commands
 {
-    [AttributeUsage(AttributeTargets.Parameter)]
+    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
     public class OverrideTypeReaderAttribute : Attribute
     {
         private static readonly TypeInfo _typeReaderTypeInfo = typeof(TypeReader).GetTypeInfo();
@@ -19,4 +19,4 @@ namespace Discord.Commands
             TypeReader = overridenTypeReader;
         }
     } 
-}
\ No newline at end of file
+}
diff --git a/src/Discord.Net.Commands/Attributes/ParameterPreconditionAttribute.cs b/src/Discord.Net.Commands/Attributes/ParameterPreconditionAttribute.cs
index 20982258..3c5e8cf9 100644
--- a/src/Discord.Net.Commands/Attributes/ParameterPreconditionAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/ParameterPreconditionAttribute.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Threading.Tasks;
-using Microsoft.Extensions.DependencyInjection;
 
 namespace Discord.Commands
 {
@@ -9,4 +8,4 @@ namespace Discord.Commands
     {
         public abstract Task<PreconditionResult> CheckPermissionsAsync(ICommandContext context, ParameterInfo parameter, object value, IServiceProvider services);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Discord.Net.Commands/Attributes/Preconditions/RequireContextAttribute.cs b/src/Discord.Net.Commands/Attributes/Preconditions/RequireContextAttribute.cs
index 5fa0fb1b..90af035e 100644
--- a/src/Discord.Net.Commands/Attributes/Preconditions/RequireContextAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/Preconditions/RequireContextAttribute.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 
@@ -15,7 +15,7 @@ namespace Discord.Commands
     /// <summary>
     /// Require that the command be invoked in a specified context.
     /// </summary>
-    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true, Inherited = true)]
     public class RequireContextAttribute : PreconditionAttribute
     {
         public ContextType Contexts { get; }
diff --git a/src/Discord.Net.Commands/Attributes/Preconditions/RequireNsfwAttribute.cs b/src/Discord.Net.Commands/Attributes/Preconditions/RequireNsfwAttribute.cs
index c8e3bfa8..273c764b 100644
--- a/src/Discord.Net.Commands/Attributes/Preconditions/RequireNsfwAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/Preconditions/RequireNsfwAttribute.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Threading.Tasks;
 
 namespace Discord.Commands
@@ -6,7 +6,7 @@ namespace Discord.Commands
     /// <summary>
     /// Require that the command is invoked in a channel marked NSFW
     /// </summary>
-    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true, Inherited = true)]
     public class RequireNsfwAttribute : PreconditionAttribute
     {
         public override Task<PreconditionResult> CheckPermissionsAsync(ICommandContext context, CommandInfo command, IServiceProvider services)
diff --git a/src/Discord.Net.Commands/Attributes/Preconditions/RequireOwnerAttribute.cs b/src/Discord.Net.Commands/Attributes/Preconditions/RequireOwnerAttribute.cs
index e370aeec..7a8a009b 100644
--- a/src/Discord.Net.Commands/Attributes/Preconditions/RequireOwnerAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/Preconditions/RequireOwnerAttribute.cs
@@ -1,7 +1,6 @@
-#pragma warning disable CS0618
+#pragma warning disable CS0618
 using System;
 using System.Threading.Tasks;
-using Microsoft.Extensions.DependencyInjection;
 
 namespace Discord.Commands
 {
@@ -9,7 +8,7 @@ namespace Discord.Commands
     /// Require that the command is invoked by the owner of the bot.
     /// </summary>
     /// <remarks>This precondition will only work if the bot is a bot account.</remarks>
-    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true, Inherited = true)]
     public class RequireOwnerAttribute : PreconditionAttribute
     {
         public override async Task<PreconditionResult> CheckPermissionsAsync(ICommandContext context, CommandInfo command, IServiceProvider services)
diff --git a/src/Discord.Net.Commands/Attributes/PriorityAttribute.cs b/src/Discord.Net.Commands/Attributes/PriorityAttribute.cs
index 5120bb7d..353e96e4 100644
--- a/src/Discord.Net.Commands/Attributes/PriorityAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/PriorityAttribute.cs
@@ -3,7 +3,7 @@ using System;
 namespace Discord.Commands
 {
     /// <summary> Sets priority of commands </summary>
-    [AttributeUsage(AttributeTargets.Method)]
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
     public class PriorityAttribute : Attribute
     {
         /// <summary> The priority which has been set for the command </summary>
diff --git a/src/Discord.Net.Commands/Attributes/RemainderAttribute.cs b/src/Discord.Net.Commands/Attributes/RemainderAttribute.cs
index 4aa16beb..56938f16 100644
--- a/src/Discord.Net.Commands/Attributes/RemainderAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/RemainderAttribute.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 
 namespace Discord.Commands
 {
-    [AttributeUsage(AttributeTargets.Parameter)]
+    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
     public class RemainderAttribute : Attribute
     {
     }
diff --git a/src/Discord.Net.Commands/Attributes/RemarksAttribute.cs b/src/Discord.Net.Commands/Attributes/RemarksAttribute.cs
index 44db18a7..c11f790a 100644
--- a/src/Discord.Net.Commands/Attributes/RemarksAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/RemarksAttribute.cs
@@ -1,9 +1,9 @@
-using System;
+using System;
 
 namespace Discord.Commands
 {
     // Extension of the Cosmetic Summary, for Groups, Commands, and Parameters
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class)]
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
     public class RemarksAttribute : Attribute
     {
         public string Text { get; }
diff --git a/src/Discord.Net.Commands/Attributes/SummaryAttribute.cs b/src/Discord.Net.Commands/Attributes/SummaryAttribute.cs
index 46d52f3d..64116340 100644
--- a/src/Discord.Net.Commands/Attributes/SummaryAttribute.cs
+++ b/src/Discord.Net.Commands/Attributes/SummaryAttribute.cs
@@ -1,9 +1,9 @@
-using System;
+using System;
 
 namespace Discord.Commands
 {
     // Cosmetic Summary, for Groups and Commands
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class | AttributeTargets.Parameter)]
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class | AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
     public class SummaryAttribute : Attribute
     {
         public string Text { get; }