diff --git a/src/exec/mod.rs b/src/exec/mod.rs
index 84b1d8f..4c58287 100644
--- a/src/exec/mod.rs
+++ b/src/exec/mod.rs
@@ -1,4 +1,3 @@
-// TODO: Possible optimization could avoid pushing characters on a buffer.
 mod command;
 mod input;
 mod job;