diff --git a/src/pdns-dhcp/Kea/KeaDhcpLease.cs b/src/pdns-dhcp/Kea/KeaDhcpLease.cs
index 47f8ea8..a96bba8 100644
--- a/src/pdns-dhcp/Kea/KeaDhcpLease.cs
+++ b/src/pdns-dhcp/Kea/KeaDhcpLease.cs
@@ -1,7 +1,6 @@
 using System.Buffers;
 using System.Globalization;
 
-using DotNext;
 using DotNext.Buffers;
 
 namespace pdns_dhcp.Kea;