diff --git a/docs/src/todo.md b/docs/src/todo.md
index 9cca922d..39163877 100644
--- a/docs/src/todo.md
+++ b/docs/src/todo.md
@@ -5,12 +5,6 @@ The package is developed at
 https://github.com/JuliaPhysics/Measurements.jl. There you can submit bug
 reports, make suggestions, and propose pull requests.
 
-TODO
-----
-
-* Allow defining quantities related by a correlation matrix and correctly
-  propagate uncertainty in this case
-
 How Can I Help?
 ---------------