diff --git a/icons/_nanomaps/Cyberiad_nanomap_z1.png b/icons/_nanomaps/Cyberiad_nanomap_z1.png
index af75297f08f4..641cdfc8c9f1 100644
Binary files a/icons/_nanomaps/Cyberiad_nanomap_z1.png and b/icons/_nanomaps/Cyberiad_nanomap_z1.png differ
diff --git a/icons/_nanomaps/Delta_nanomap_z1.png b/icons/_nanomaps/Delta_nanomap_z1.png
index 40d16d2f3b8a..cb5ca1ca3664 100644
Binary files a/icons/_nanomaps/Delta_nanomap_z1.png and b/icons/_nanomaps/Delta_nanomap_z1.png differ
diff --git a/icons/_nanomaps/Nova_nanomap_z2.png b/icons/_nanomaps/Nova_nanomap_z2.png
index 692db8d618a4..7dc692d47e1a 100644
Binary files a/icons/_nanomaps/Nova_nanomap_z2.png and b/icons/_nanomaps/Nova_nanomap_z2.png differ