diff --git a/src/Util/README.md b/src/Util/README.md
index 7539d4e48..171f6b5cd 100644
--- a/src/Util/README.md
+++ b/src/Util/README.md
@@ -1,9 +1,6 @@
 Symfony Polyfill / Util
 =======================
 
-This component provides binary-safe string functions, using the
-[mbstring](https://php.net/mbstring) extension when available.
-
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/main/README.md).