diff --git a/gtk2_ardour/icons/preference_rate_buffer_dropdown.png b/gtk2_ardour/icons/preference_rate_buffer_dropdown.png
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diff --git a/gtk2_ardour/icons/preference_rate_buffer_dropdown_active.png b/gtk2_ardour/icons/preference_rate_buffer_dropdown_active.png
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diff --git a/gtk2_ardour/icons/preference_rate_buffer_dropdown_prelight.png b/gtk2_ardour/icons/preference_rate_buffer_dropdown_prelight.png
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diff --git a/gtk2_ardour/icons/preference_session_settings_dropdown.png b/gtk2_ardour/icons/preference_session_settings_dropdown.png
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diff --git a/gtk2_ardour/icons/preference_session_settings_dropdown_active.png b/gtk2_ardour/icons/preference_session_settings_dropdown_active.png
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diff --git a/gtk2_ardour/icons/preference_session_settings_dropdown_prelight.png b/gtk2_ardour/icons/preference_session_settings_dropdown_prelight.png
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