diff --git a/gtk2_ardour/icons/time_axis_monitor_input.png b/gtk2_ardour/icons/time_axis_monitor_input.png
index 1149ab3dc0..4b0aa66251 100644
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diff --git a/gtk2_ardour/icons/time_axis_monitor_input_active.png b/gtk2_ardour/icons/time_axis_monitor_input_active.png
index 89fc83a6d7..08a8f86511 100644
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diff --git a/gtk2_ardour/icons/time_axis_monitor_input_prelight.png b/gtk2_ardour/icons/time_axis_monitor_input_prelight.png
index 05b77f4598..ef95efb2a6 100644
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diff --git a/gtk2_ardour/icons/time_axis_mute.png b/gtk2_ardour/icons/time_axis_mute.png
index fd76ed63e5..8b1c06bd0f 100644
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diff --git a/gtk2_ardour/icons/time_axis_playlist.png b/gtk2_ardour/icons/time_axis_playlist.png
index 49d6ecbc2f..e17abeb912 100644
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diff --git a/gtk2_ardour/icons/time_axis_record.png b/gtk2_ardour/icons/time_axis_record.png
index 1af5e5da71..1629bed452 100644
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diff --git a/gtk2_ardour/icons/time_axis_solo.png b/gtk2_ardour/icons/time_axis_solo.png
index ea94e18682..df900c0622 100644
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