diff --git a/extras/conf/SRB2-22.cfg b/extras/conf/SRB2-22.cfg
index 5dd7a1c5b..7b1b678f2 100644
--- a/extras/conf/SRB2-22.cfg
+++ b/extras/conf/SRB2-22.cfg
@@ -750,12 +750,6 @@ linedeftypes
 			prefix = "(20)";
 		}
 
-		21
-		{
-			title = "Explicitly Include Line <disabled>";
-			prefix = "(21)";
-		}
-
 		22
 		{
 			title = "Parameters";