diff --git a/TODO.txt b/TODO.txt
index fcb8952f..67429880 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -14,6 +14,8 @@ Version 0.14
   `(origin, direction)`.
 * Remove deprecated old syntax support for ``skimage.transform.integrate``.
 * Remove deprecated ``skimage.data.lena`` and corresponding data files.
+* Remove deprecated ``skimage.measure.structural_similarity`` alias and
+  deprecation warning test for this alias.
 
 
 Version 0.13