diff --git a/src/libcore/unicode/tables.rs b/src/libcore/unicode/tables.rs
index a793ac3eb74b0..bfe784afaa47d 100644
--- a/src/libcore/unicode/tables.rs
+++ b/src/libcore/unicode/tables.rs
@@ -1,6 +1,6 @@
 // NOTE: The following code was generated by "./unicode.py", do not edit directly
 
-#![allow(missing_docs, non_upper_case_globals, non_snake_case)]
+#![allow(missing_docs, non_upper_case_globals, non_snake_case, clippy::unreadable_literal)]
 
 use crate::unicode::version::UnicodeVersion;
 use crate::unicode::bool_trie::{BoolTrie, SmallBoolTrie};
diff --git a/src/libcore/unicode/unicode.py b/src/libcore/unicode/unicode.py
index 3a20d0548c15f..5389d1cf80383 100755
--- a/src/libcore/unicode/unicode.py
+++ b/src/libcore/unicode/unicode.py
@@ -79,7 +79,7 @@ class UnicodeFiles(object):
 PREAMBLE = """\
 // NOTE: The following code was generated by "./unicode.py", do not edit directly
 
-#![allow(missing_docs, non_upper_case_globals, non_snake_case)]
+#![allow(missing_docs, non_upper_case_globals, non_snake_case, clippy::unreadable_literal)]
 
 use crate::unicode::version::UnicodeVersion;
 use crate::unicode::bool_trie::{{BoolTrie, SmallBoolTrie}};