diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index fbf0e25e..f8094ae8 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -948,12 +948,6 @@ void Window::vInitConfig()
   //
   m_poSoundConfig = m_oConfig.poAddSection("Sound");
   m_poSoundConfig->vSetKey("mute",           false    );
-  m_poSoundConfig->vSetKey("channel_1",      true     );
-  m_poSoundConfig->vSetKey("channel_2",      true     );
-  m_poSoundConfig->vSetKey("channel_3",      true     );
-  m_poSoundConfig->vSetKey("channel_4",      true     );
-  m_poSoundConfig->vSetKey("channel_A",      true     );
-  m_poSoundConfig->vSetKey("channel_B",      true     );
   m_poSoundConfig->vSetKey("quality",        Sound22K );
   m_poSoundConfig->vSetKey("volume",         1.00f    );