diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 642513ae4e..aa10fa14eb 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,9 +1,3 @@
-# If you see this, run "rustup self update" to get rustup 1.23 or newer.
-
-# NOTE: above comment is for older `rustup` (before TOML support was added),
-# which will treat the first line as the toolchain name, and therefore show it
-# to the user in the error, instead of "error: invalid channel name '[toolchain]'".
-
 [toolchain]
 channel = "1.76"                     # Needed for deno & cts_runner. Firefox's MSRV is 1.74
 components = ["rustfmt", "clippy"]