diff --git a/src/lib.rs b/src/lib.rs
index c3c4346..be12277 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,10 +8,6 @@
 //! assert_eq!(CKSUM, 0x414fa339_u32);
 //! ```
 
-#![feature(const_eval_limit)]
-
-#![const_eval_limit = "1000000000"]
-
 /// used to generate up a [u32; 256] lookup table in `crc32`. this computes
 /// the table on demand for a given "index" `i`
 const fn table_fn(i: u32) -> u32 {