diff --git a/src/core/audio/AudioAlsa.cpp b/src/core/audio/AudioAlsa.cpp
index 5421fc6b5..c39644216 100644
--- a/src/core/audio/AudioAlsa.cpp
+++ b/src/core/audio/AudioAlsa.cpp
@@ -523,7 +523,7 @@ AudioAlsa::setupWidget::setupWidget( QWidget * _parent ) :
 
 AudioAlsa::setupWidget::~setupWidget()
 {
-
+	delete m_channels->model();
 }
 
 
diff --git a/src/core/audio/AudioJack.cpp b/src/core/audio/AudioJack.cpp
index c2b63dccf..3dd6d3a75 100644
--- a/src/core/audio/AudioJack.cpp
+++ b/src/core/audio/AudioJack.cpp
@@ -464,6 +464,7 @@ AudioJack::setupWidget::setupWidget( QWidget * _parent ) :
 
 AudioJack::setupWidget::~setupWidget()
 {
+	delete m_channels->model();
 }
 
 
diff --git a/src/core/audio/AudioOss.cpp b/src/core/audio/AudioOss.cpp
index ad951d498..3db660fe5 100644
--- a/src/core/audio/AudioOss.cpp
+++ b/src/core/audio/AudioOss.cpp
@@ -356,7 +356,7 @@ AudioOss::setupWidget::setupWidget( QWidget * _parent ) :
 
 AudioOss::setupWidget::~setupWidget()
 {
-
+	delete m_channels->model();
 }
 
 
diff --git a/src/core/audio/AudioPulseAudio.cpp b/src/core/audio/AudioPulseAudio.cpp
index 574577b2f..2616e785d 100644
--- a/src/core/audio/AudioPulseAudio.cpp
+++ b/src/core/audio/AudioPulseAudio.cpp
@@ -307,7 +307,7 @@ AudioPulseAudio::setupWidget::setupWidget( QWidget * _parent ) :
 
 AudioPulseAudio::setupWidget::~setupWidget()
 {
-
+	delete m_channels->model();
 }