diff --git a/src/Umbraco.Core/Security/MembershipProviderBase.cs b/src/Umbraco.Core/Security/MembershipProviderBase.cs
index a9475b526f..28f558f6ff 100644
--- a/src/Umbraco.Core/Security/MembershipProviderBase.cs
+++ b/src/Umbraco.Core/Security/MembershipProviderBase.cs
@@ -291,7 +291,7 @@ namespace Umbraco.Core.Security
         /// <remarks>
         /// Checks to ensure the AllowManuallyChangingPassword rule is adhered to
         /// </remarks>       
-        public sealed override bool ChangePassword(string username, string oldPassword, string newPassword)
+        public override bool ChangePassword(string username, string oldPassword, string newPassword)
         {
             if (oldPassword.IsNullOrWhiteSpace() && AllowManuallyChangingPassword == false)
             {
@@ -388,7 +388,7 @@ namespace Umbraco.Core.Security
         /// <remarks>
         /// Ensures the ValidatingPassword event is executed before executing PerformCreateUser and performs basic membership provider validation of values.
         /// </remarks>
-        public sealed override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
+        public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
         {
             var valStatus = ValidateNewUser(username, password, email, passwordQuestion, passwordAnswer, isApproved, providerUserKey);
             if (valStatus != MembershipCreateStatus.Success)
@@ -476,7 +476,7 @@ namespace Umbraco.Core.Security
         /// <param name="username"></param>
         /// <param name="answer"></param>
         /// <returns></returns>
-        public sealed override string GetPassword(string username, string answer)
+        public override string GetPassword(string username, string answer)
         {
             if (EnablePasswordRetrieval == false)
                 throw new ProviderException("Password Retrieval Not Enabled.");
@@ -495,7 +495,7 @@ namespace Umbraco.Core.Security
         /// <returns></returns>
         protected abstract string PerformGetPassword(string username, string answer);
 
-        public sealed override string ResetPassword(string username, string answer)
+        public override string ResetPassword(string username, string answer)
         {
             if (EnablePasswordReset == false)
             {