diff --git a/src/lib.rs b/src/lib.rs
index e0ab8ac..5c8cfd5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,6 @@
 // #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png")] TODO: Set to Parsec logo
 #![deny(
     nonstandard_style,
-    const_err,
     dead_code,
     improper_ctypes,
     non_shorthand_field_patterns,