diff --git a/Services.ZUGFeRDService/Config.vb b/Services.ZUGFeRDService/Config.vb
index f4d90aa3..63e70750 100644
--- a/Services.ZUGFeRDService/Config.vb
+++ b/Services.ZUGFeRDService/Config.vb
@@ -1,11 +1,10 @@
 Public Class Config
-    Public Property Firebird As FirebirdConfig
+    Public Property Firebird As New FirebirdConfig
     Public Property MSSQLConnectionString As String = ""
     Public Property MSSQLEnabled As Boolean = False
     Public Property MSSQLEmailOutAccountID As String = 1
 
     Public Property JobInterval As Integer = 10
-    Public Property GDPictureKey As String = "1234567890_EXAMPLE_KEY"
     Public Property ExceptionEmailAddress As String = "wisag-flow@digitaldata.works"
 
     Public Property Debug As Boolean = False