diff --git a/libgrust/libformat_parser/generic_format_parser/src/lib.rs b/libgrust/libformat_parser/generic_format_parser/src/lib.rs
index 87a20dc18c56..6a366177f252 100644
--- a/libgrust/libformat_parser/generic_format_parser/src/lib.rs
+++ b/libgrust/libformat_parser/generic_format_parser/src/lib.rs
@@ -14,12 +14,10 @@
 // WARNING: We want to be able to build this crate with a stable compiler,
 //          so no `#![feature]` attributes should be added!
 
-#[deprecated(note = "Use a proper lexer function for this")]
 fn is_id_start(c: char) -> bool {
     c == '_' || unicode_xid::UnicodeXID::is_xid_start(c)
 }
 
-#[deprecated(note = "Use a proper lexer function for this")]
 fn is_id_continue(c: char) -> bool {
     unicode_xid::UnicodeXID::is_xid_continue(c)
 }
diff --git a/libgrust/libformat_parser/src/lib.rs b/libgrust/libformat_parser/src/lib.rs
index eb3e1060e5d8..c164578a1039 100644
--- a/libgrust/libformat_parser/src/lib.rs
+++ b/libgrust/libformat_parser/src/lib.rs
@@ -3,7 +3,7 @@
 // what's the plan? Have a function return something that can be constructed into a vector?
 // or an iterator?
 
-use std::{ffi::CStr, mem};
+use std::ffi::CStr;
 
 trait IntoFFI<T> {
     fn into_ffi(self) -> T;