diff --git a/DigitalData.Core.Security/TokenDescriptorProvider.cs b/DigitalData.Core.Security/TokenDescriptorProvider.cs
index 3b6c5f4..a29a024 100644
--- a/DigitalData.Core.Security/TokenDescriptorProvider.cs
+++ b/DigitalData.Core.Security/TokenDescriptorProvider.cs
@@ -4,16 +4,9 @@ using Microsoft.IdentityModel.Tokens;
 
 namespace DigitalData.Core.Security
 {
-    public class TokenDescriptorProvider
+    public class TokenDescriptorProvider(IMapper mapper)
     {
-        private readonly IMapper _mapper;
-
-        public TokenDescriptorProvider(IMapper mapper)
-        {
-            _mapper = mapper;
-        }
-
         public SecurityTokenDescriptor Create(TokenDescription description)
-            => _mapper.Map(description, new SecurityTokenDescriptor());
+            => mapper.Map(description, new SecurityTokenDescriptor());
     }
 }
\ No newline at end of file