diff --git a/FortnoxSDK/Search/CustomerSearch.cs b/FortnoxSDK/Search/CustomerSearch.cs
index bfc2b4ee..364dec56 100644
--- a/FortnoxSDK/Search/CustomerSearch.cs
+++ b/FortnoxSDK/Search/CustomerSearch.cs
@@ -26,9 +26,6 @@ public class CustomerSearch : BaseSearch
     [SearchParameter]
     public string GLNDelivery { get; set; }
     
-    [SearchParameter]
-    public DateTime LastModified { get; set; }
-
     [SearchParameter]
     public string Name { get; set; }
 
@@ -40,4 +37,4 @@ public class CustomerSearch : BaseSearch
 
     [SearchParameter]
     public string ZipCode { get; set; }
-}
\ No newline at end of file
+}