diff --git a/src/conf/cards/CMI8738-MC6.conf b/src/conf/cards/CMI8738-MC6.conf
index 69cb3325..34413d6c 100644
--- a/src/conf/cards/CMI8738-MC6.conf
+++ b/src/conf/cards/CMI8738-MC6.conf
@@ -50,12 +50,6 @@ CMI8738-MC6.pcm.surround40.0 {
 				preserve true
 				value false
 			}
-                        {
-                                name "Exchange DAC"
-                                lock true
-                                preserve true
-                                value true
-                        }
 		]
 	}
 }