diff --git a/TODO.txt b/TODO.txt
index 07cb5777..25070d05 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -15,3 +15,4 @@ Version 0.10
   functions
 * Enable doctests of experimental `skimage.feature.brief`
 * Remove deprecated `skimage.segmentation.visualize_boundaries`
+* Remove deprecated `skimage.morphology.greyscale_*`