diff --git a/gtk2_ardour/icons/inspector_master_mute.png b/gtk2_ardour/icons/inspector_master_mute.png
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diff --git a/gtk2_ardour/icons/inspector_master_mute_active.png b/gtk2_ardour/icons/inspector_master_mute_active.png
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diff --git a/gtk2_ardour/icons/inspector_master_mute_prelight.png b/gtk2_ardour/icons/inspector_master_mute_prelight.png
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