diff --git a/libs/ysig/management.cpp b/libs/ysig/management.cpp
index 8b1392ce..4934a3b1 100644
--- a/libs/ysig/management.cpp
+++ b/libs/ysig/management.cpp
@@ -175,8 +175,6 @@ bool SS7Management::receivedMSU(const SS7MSU& msu, const SS7Label& label, SS7Lay
 {
     if (msu.getSIF() != SS7MSU::SNM)
 	return false;
-    DDebug(this,DebugStub,"Please implement SS7Management::receivedMSU(%p,%p,%p,%d) [%p]",
-	&msu,&label,network,sls,this);
 
     unsigned int len = msu.length() - label.length() - 1;
     // according to Q.704 there should be at least the heading codes (8 bit)