diff --git a/gtk2_ardour/icons/ardour-app-icon_osx.png b/gtk2_ardour/icons/ardour-app-icon_osx.png
index cbd2fda02b..fc1227aa12 100644
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diff --git a/gtk2_ardour/icons/ardour_icon_16px.png b/gtk2_ardour/icons/ardour_icon_16px.png
index 232369b3fe..ef6a2a9133 100644
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diff --git a/gtk2_ardour/icons/ardour_icon_22px.png b/gtk2_ardour/icons/ardour_icon_22px.png
index b7ce988c57..a92cf33350 100644
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diff --git a/gtk2_ardour/icons/ardour_icon_256px.png b/gtk2_ardour/icons/ardour_icon_256px.png
index b8a6e6d47f..1139334969 100644
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diff --git a/gtk2_ardour/icons/ardour_icon_32px.png b/gtk2_ardour/icons/ardour_icon_32px.png
index 5e68c9c2cb..3b1049fc8c 100644
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diff --git a/gtk2_ardour/icons/ardour_icon_48px.png b/gtk2_ardour/icons/ardour_icon_48px.png
index 7f719320da..0f3d2e93e8 100644
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diff --git a/gtk2_ardour/icons/lock_session.png b/gtk2_ardour/icons/lock_session.png
index bc46b5c511..ab3c172244 100644
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diff --git a/gtk2_ardour/icons/lock_session_active.png b/gtk2_ardour/icons/lock_session_active.png
index 6df328bb0d..a21148da12 100644
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diff --git a/gtk2_ardour/icons/lock_session_prelight.png b/gtk2_ardour/icons/lock_session_prelight.png
index 019f68696d..f8fbf2176c 100644
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diff --git a/gtk2_ardour/icons/tracks.png b/gtk2_ardour/icons/tracks.png
index 628e8ce88e..342269cad3 100644
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diff --git a/gtk2_ardour/icons/tracks_active.png b/gtk2_ardour/icons/tracks_active.png
index 628e8ce88e..0f7ca3cefc 100644
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diff --git a/gtk2_ardour/icons/tracks_prelight.png b/gtk2_ardour/icons/tracks_prelight.png
index 628e8ce88e..a793f3b4f8 100644
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diff --git a/gtk2_ardour/icons/transport_end.png b/gtk2_ardour/icons/transport_end.png
index 6e98a9a826..98635738c6 100644
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diff --git a/gtk2_ardour/icons/transport_end_active.png b/gtk2_ardour/icons/transport_end_active.png
index cd3938c4f5..b4c765b4e7 100644
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diff --git a/gtk2_ardour/icons/transport_end_prelight.png b/gtk2_ardour/icons/transport_end_prelight.png
index 3e8fbcb849..cb38d8f198 100644
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diff --git a/gtk2_ardour/icons/transport_loop.png b/gtk2_ardour/icons/transport_loop.png
index f32d645056..68360eeef7 100644
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diff --git a/gtk2_ardour/icons/transport_loop_active.png b/gtk2_ardour/icons/transport_loop_active.png
index 6e11357d00..99fdc10b75 100644
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diff --git a/gtk2_ardour/icons/transport_loop_prelight.png b/gtk2_ardour/icons/transport_loop_prelight.png
index 07c71869ea..bc3a747194 100644
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diff --git a/gtk2_ardour/icons/transport_play.png b/gtk2_ardour/icons/transport_play.png
index 07bb37bf80..3c7eef079e 100644
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diff --git a/gtk2_ardour/icons/transport_play_active.png b/gtk2_ardour/icons/transport_play_active.png
index aff12e3534..693ea4686d 100644
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diff --git a/gtk2_ardour/icons/transport_play_prelight.png b/gtk2_ardour/icons/transport_play_prelight.png
index 8bc99c8f52..eae6f09626 100644
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diff --git a/gtk2_ardour/icons/transport_record.png b/gtk2_ardour/icons/transport_record.png
index 0186439071..612efe51f7 100644
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diff --git a/gtk2_ardour/icons/transport_record_active.png b/gtk2_ardour/icons/transport_record_active.png
index 6e79744141..083d91962d 100644
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diff --git a/gtk2_ardour/icons/transport_record_prelight.png b/gtk2_ardour/icons/transport_record_prelight.png
index 48862c7a2b..468ec173c8 100644
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diff --git a/gtk2_ardour/icons/transport_start.png b/gtk2_ardour/icons/transport_start.png
index 7946e11799..655387986c 100644
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diff --git a/gtk2_ardour/icons/transport_start_active.png b/gtk2_ardour/icons/transport_start_active.png
index 156df0087a..313c199eb7 100644
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diff --git a/gtk2_ardour/icons/transport_start_prelight.png b/gtk2_ardour/icons/transport_start_prelight.png
index f0636bb644..855b5eeca0 100644
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diff --git a/gtk2_ardour/icons/transport_stop.png b/gtk2_ardour/icons/transport_stop.png
index 0023a52e39..59a2681ac5 100644
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diff --git a/gtk2_ardour/icons/transport_stop_active.png b/gtk2_ardour/icons/transport_stop_active.png
index e919e6d29f..9d67d09bad 100644
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diff --git a/gtk2_ardour/icons/transport_stop_prelight.png b/gtk2_ardour/icons/transport_stop_prelight.png
index 9d1fd8425d..03e783b761 100644
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diff --git a/gtk2_ardour/small-splash.png b/gtk2_ardour/small-splash.png
index eb12033d8f..7537d0757a 100644
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diff --git a/gtk2_ardour/splash.png b/gtk2_ardour/splash.png
index a16ec92b50..fb27714b75 100644
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