diff --git a/toolkit/library/rust/shared/Cargo.toml b/toolkit/library/rust/shared/Cargo.toml
index dd999ddad6fb0..707bbe62aba51 100644
--- a/toolkit/library/rust/shared/Cargo.toml
+++ b/toolkit/library/rust/shared/Cargo.toml
@@ -542,30 +542,6 @@ release_max_level_info
 "
 ]
 }
-syn
-=
-{
-version
-=
-"
-0
-.
-11
-"
-features
-=
-[
-"
-full
-"
-"
-visit
-"
-"
-parsing
-"
-]
-}
 cose
 -
 c
diff --git a/toolkit/library/rust/shared/lib.rs b/toolkit/library/rust/shared/lib.rs
index f3cee6c00b932..1576809b3827c 100644
--- a/toolkit/library/rust/shared/lib.rs
+++ b/toolkit/library/rust/shared/lib.rs
@@ -123,10 +123,6 @@ log
 ;
 extern
 crate
-syn
-;
-extern
-crate
 cosec
 ;
 extern