diff --git a/libs/surfaces/mackie/surface.cc b/libs/surfaces/mackie/surface.cc
index b448a7ca19..562807ce79 100644
--- a/libs/surfaces/mackie/surface.cc
+++ b/libs/surfaces/mackie/surface.cc
@@ -125,7 +125,7 @@ Surface::~Surface ()
 {
 	DEBUG_TRACE (DEBUG::MackieControl, "Surface::~Surface init\n");
 
-	zero_all ();
+	// zero_all ();
 
 	// delete groups
 	for (Groups::iterator it = groups.begin(); it != groups.end(); ++it) {