diff --git a/src/AspNetCore.Identity.Mongo/AspNetCore.Identity.Mongo.csproj b/src/AspNetCore.Identity.Mongo/AspNetCore.Identity.Mongo.csproj
index 3086ef7..71ef256 100644
--- a/src/AspNetCore.Identity.Mongo/AspNetCore.Identity.Mongo.csproj
+++ b/src/AspNetCore.Identity.Mongo/AspNetCore.Identity.Mongo.csproj
@@ -14,12 +14,12 @@
 		<Authors>Matteo Fabbri</Authors>
 		<Company />
 		<Product>AspNetCore.Identity.Mongo</Product>
-		<Version>8.3.1</Version>
-		<AssemblyVersion>8.3.1.0</AssemblyVersion>
-		<FileVersion>8.3.1.0</FileVersion>
+		<Version>8.3.2</Version>
+		<AssemblyVersion>8.3.2.0</AssemblyVersion>
+		<FileVersion>8.3.2.0</FileVersion>
 		<PackageProjectUrl>https://github.com/matteofabbri/AspNetCore.Identity.Mongo</PackageProjectUrl>
 		<NeutralLanguage />
-		<PackageReleaseNotes>Fixed recovery codes not being removed after use.</PackageReleaseNotes>
+		<PackageReleaseNotes>Removed obsolete properties.</PackageReleaseNotes>
 		<RunAnalyzersDuringBuild>false</RunAnalyzersDuringBuild>
 		<RunAnalyzersDuringLiveAnalysis>false</RunAnalyzersDuringLiveAnalysis>
 		<PackageLicenseFile>LICENSE.txt</PackageLicenseFile>
diff --git a/src/AspNetCore.Identity.Mongo/Migrations/Migrator.cs b/src/AspNetCore.Identity.Mongo/Migrations/Migrator.cs
index 64ce6f2..b47b588 100644
--- a/src/AspNetCore.Identity.Mongo/Migrations/Migrator.cs
+++ b/src/AspNetCore.Identity.Mongo/Migrations/Migrator.cs
@@ -11,7 +11,7 @@ namespace AspNetCore.Identity.Mongo.Migrations
     internal static class Migrator
     {
         //Starting from 4 in case we want to implement migrations for previous versions
-        public static int CurrentVersion = 5;
+        public static int CurrentVersion = 6;
 
         public static void Apply<TUser, TRole, TKey>(IMongoCollection<MigrationHistory> migrationCollection, IMongoCollection<TUser> usersCollection, IMongoCollection<TRole> rolesCollection)
             where TKey : IEquatable<TKey>
@@ -30,20 +30,31 @@ internal static class Migrator
                 }
 
                 // 4 -> 5
-                var users = usersCollection.Find(x => !string.IsNullOrEmpty(x.AuthenticatorKey)).ToList();
-                foreach (var user in users)
+                if (lastHistory.DatabaseVersion == 4)
                 {
-                    var tokens = user.Tokens;
-                    tokens.Add(new Microsoft.AspNetCore.Identity.IdentityUserToken<string>()
+                    var users = usersCollection.Find(x => !string.IsNullOrEmpty(x.AuthenticatorKey)).ToList();
+                    foreach (var user in users)
                     {
-                        UserId = user.Id.ToString(),
-                        Value = user.AuthenticatorKey,
-                        LoginProvider = "[AspNetUserStore]",
-                        Name = "AuthenticatorKey"
-                    });
-                    usersCollection.UpdateOne(x => x.Id.Equals(user.Id),
-                        Builders<TUser>.Update.Set(x => x.Tokens, tokens)
-                        .Set(x => x.AuthenticatorKey, null));
+                        var tokens = user.Tokens;
+                        tokens.Add(new Microsoft.AspNetCore.Identity.IdentityUserToken<string>()
+                        {
+                            UserId = user.Id.ToString(),
+                            Value = user.AuthenticatorKey,
+                            LoginProvider = "[AspNetUserStore]",
+                            Name = "AuthenticatorKey"
+                        });
+                        usersCollection.UpdateOne(x => x.Id.Equals(user.Id),
+                            Builders<TUser>.Update.Set(x => x.Tokens, tokens)
+                            .Set(x => x.AuthenticatorKey, null));
+                    }
+                }
+
+                // 5 -> 6
+                if (lastHistory.DatabaseVersion == 5)
+                {
+                    usersCollection.UpdateMany(x => true,
+                        Builders<TUser>.Update.Unset(x => x.AuthenticatorKey)
+                        .Unset(x => x.RecoveryCodes));
                 }
             }