diff --git a/DnsServerCore/DnsWebService.cs b/DnsServerCore/DnsWebService.cs
index 51845c1a..05d676bc 100644
--- a/DnsServerCore/DnsWebService.cs
+++ b/DnsServerCore/DnsWebService.cs
@@ -2017,9 +2017,6 @@ namespace DnsServerCore
             if (string.IsNullOrEmpty(domain))
                 throw new DnsWebServiceException("Parameter 'domain' missing.");
 
-            if (!_dnsServer.AuthoritativeZoneRoot.DeleteZone(domain, false))
-                throw new DnsWebServiceException("Zone '" + domain + "' was not found.");
-
             _dnsServer.AuthoritativeZoneRoot.EnableZone(domain);
 
             _log.Write(GetRequestRemoteEndPoint(request), true, "[" + GetSession(request).Username + "] Authoritative zone was enabled: " + domain);
@@ -2033,9 +2030,6 @@ namespace DnsServerCore
             if (string.IsNullOrEmpty(domain))
                 throw new DnsWebServiceException("Parameter 'domain' missing.");
 
-            if (!_dnsServer.AuthoritativeZoneRoot.DeleteZone(domain, false))
-                throw new DnsWebServiceException("Zone '" + domain + "' was not found.");
-
             _dnsServer.AuthoritativeZoneRoot.DisableZone(domain);
 
             _log.Write(GetRequestRemoteEndPoint(request), true, "[" + GetSession(request).Username + "] Authoritative zone was disabled: " + domain);