diff --git a/DnsServerCore/Dns/DnsServerException.cs b/DnsServerCore/Dns/DnsServerException.cs
index 71d0e1ca..53cd1c55 100644
--- a/DnsServerCore/Dns/DnsServerException.cs
+++ b/DnsServerCore/Dns/DnsServerException.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2019  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2024  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -37,10 +37,6 @@ namespace DnsServerCore.Dns
             : base(message, innerException)
         { }
 
-        protected DnsServerException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
-            : base(info, context)
-        { }
-
         #endregion
     }
 }
diff --git a/DnsServerCore/Dns/Trees/InvalidDomainNameException.cs b/DnsServerCore/Dns/Trees/InvalidDomainNameException.cs
index 98f3c94d..674a2472 100644
--- a/DnsServerCore/Dns/Trees/InvalidDomainNameException.cs
+++ b/DnsServerCore/Dns/Trees/InvalidDomainNameException.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2022  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2024  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -37,10 +37,6 @@ namespace DnsServerCore.Dns.Trees
             : base(message, innerException)
         { }
 
-        protected InvalidDomainNameException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
-            : base(info, context)
-        { }
-
         #endregion
     }
 }
diff --git a/DnsServerCore/DnsWebServiceException.cs b/DnsServerCore/DnsWebServiceException.cs
index c687622b..c518c89d 100644
--- a/DnsServerCore/DnsWebServiceException.cs
+++ b/DnsServerCore/DnsWebServiceException.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2021  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2024  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -37,10 +37,6 @@ namespace DnsServerCore
             : base(message, innerException)
         { }
 
-        protected DnsWebServiceException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
-            : base(info, context)
-        { }
-
         #endregion
     }
 }
diff --git a/DnsServerCore/InvalidTokenWebServiceException.cs b/DnsServerCore/InvalidTokenWebServiceException.cs
index abc3b84f..005069a2 100644
--- a/DnsServerCore/InvalidTokenWebServiceException.cs
+++ b/DnsServerCore/InvalidTokenWebServiceException.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2021  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2024  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -37,10 +37,6 @@ namespace DnsServerCore
             : base(message, innerException)
         { }
 
-        protected InvalidTokenWebServiceException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
-            : base(info, context)
-        { }
-
         #endregion
     }
 }