diff --git a/preferences.xml b/preferences.xml
index 4211afe53..19543c10d 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -701,12 +701,6 @@ Started September 2000 by David Megginson, david@megginson.com
 			<runway type="string" preserve="y"/>
 		</atc>
 
-		<ai-traffic>
-			<!-- Obsolete and unused - to be removed -->
-			<enabled type="bool" userarchive="y">false</enabled>
-			<level type="int" userarchive="y">1</level>
-		</ai-traffic>
-
 		<traffic-manager>
 			<enabled type="bool" userarchive="y">true</enabled>
 			<heuristics type="bool">true</heuristics>