diff --git a/src/Umbraco.Core/Persistence/Repositories/Implement/ContentTypeCommonRepository.cs b/src/Umbraco.Core/Persistence/Repositories/Implement/ContentTypeCommonRepository.cs
index 5aae950c9f..89c7a3d152 100644
--- a/src/Umbraco.Core/Persistence/Repositories/Implement/ContentTypeCommonRepository.cs
+++ b/src/Umbraco.Core/Persistence/Repositories/Implement/ContentTypeCommonRepository.cs
@@ -249,14 +249,10 @@ namespace Umbraco.Core.Persistence.Repositories.Implement
                 // ensure builtin properties
                 if (contentType is MemberType memberType)
                 {
-                    // ensure that the group exists (ok if it already exists)
-                    memberType.AddPropertyGroup(Constants.Conventions.Member.StandardPropertiesGroupAlias, Constants.Conventions.Member.StandardPropertiesGroupName);
-
                     // ensure that property types exist (ok if they already exist)
                     foreach (var (alias, propertyType) in builtinProperties)
                     {
                         var added = memberType.AddPropertyType(propertyType, Constants.Conventions.Member.StandardPropertiesGroupAlias, Constants.Conventions.Member.StandardPropertiesGroupName);
-
                         if (added)
                         {
                             var access = new MemberTypePropertyProfileAccess(false, false, false);
diff --git a/src/Umbraco.Core/Persistence/Repositories/Implement/MemberTypeRepository.cs b/src/Umbraco.Core/Persistence/Repositories/Implement/MemberTypeRepository.cs
index 765b365736..abce4c687f 100644
--- a/src/Umbraco.Core/Persistence/Repositories/Implement/MemberTypeRepository.cs
+++ b/src/Umbraco.Core/Persistence/Repositories/Implement/MemberTypeRepository.cs
@@ -142,7 +142,6 @@ namespace Umbraco.Core.Persistence.Repositories.Implement
             }
 
             //By Convention we add 9 standard PropertyTypes to an Umbraco MemberType
-            entity.AddPropertyGroup(Constants.Conventions.Member.StandardPropertiesGroupAlias, Constants.Conventions.Member.StandardPropertiesGroupName);
             var standardPropertyTypes = Constants.Conventions.Member.GetStandardPropertyTypeStubs();
             foreach (var standardPropertyType in standardPropertyTypes)
             {