diff --git a/rustfmt.toml b/rustfmt.toml
index 590e7cb0608b..4522e520a469 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -16,7 +16,6 @@
 # under the License.
 
 edition = "2021"
-rust-version = "1.57"
 max_width = 90
 
 # ignore generated files