diff --git a/Cargo.lock b/Cargo.lock
index 1c1d3b6458e0..a8436fe8dea2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -253,7 +253,6 @@ dependencies = [
  "clap",
  "colored",
  "convert_case 0.6.0",
- "derivative",
  "derive-visitor",
  "env_logger",
  "hashlink",
@@ -497,17 +496,6 @@ dependencies = [
  "powerfmt",
 ]
 
-[[package]]
-name = "derivative"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "derive-visitor"
 version = "0.4.0"
diff --git a/charon b/charon
index 2193aa00fd89..454078ebdb4a 160000
--- a/charon
+++ b/charon
@@ -1 +1 @@
-Subproject commit 2193aa00fd89e991226ada10d8a8f66e0594f212
+Subproject commit 454078ebdb4a607e2b21dc115e1ca99b516e436f