diff --git a/src/Sound/sample_queue.cxx b/src/Sound/sample_queue.cxx
index ac56c9b25..fd2931ef6 100644
--- a/src/Sound/sample_queue.cxx
+++ b/src/Sound/sample_queue.cxx
@@ -45,8 +45,6 @@ FGSampleQueue::FGSampleQueue ( SGSoundMgr *smgr, const string &refname ) :
     SGSampleGroup::_smgr = smgr;
     SGSampleGroup::_smgr->add(this, refname);
     SGSampleGroup::_refname = refname;
-    _enabled->setBoolValue(true);
-    _volume->setFloatValue(1.0);
 }