diff --git a/Cargo.toml b/Cargo.toml
index 9d975d8..f9bf4ab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,3 +29,6 @@ std = []
 # Enable the implementation of the map Key trait for ArrayVec and ArrayString
 arrayvec = ["dep:arrayvec"]
 _test = ["dep:futures", "dep:approx", "std", "arrayvec"]
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing_repro)'] }
diff --git a/build.rs b/build.rs
deleted file mode 100644
index f5e0358..0000000
--- a/build.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("cargo::rustc-check-cfg=cfg(fuzzing_repro)");
-}