diff --git a/README.md b/README.md
index c1b783c..c66e519 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,6 @@ fast.
 ## TODO
 
 * Implement hashing to a point on the curve (Elligator).
-* Maybe use serde for serialization.
 * Make a new `mask` type in `subtle.rs` and return that instead of `u8`s.
 * Implement all utilities in Golang's `crypto/subtle` package, and
   move the module to its own crate.