diff --git a/rust/Cargo.lock.in b/rust/Cargo.lock.in
index 0e0fb8f22ca0..d850e29c5b31 100644
--- a/rust/Cargo.lock.in
+++ b/rust/Cargo.lock.in
@@ -984,8 +984,6 @@ dependencies = [
  "regex",
  "sawp",
  "sawp-modbus",
- "serde",
- "serde_derive",
  "sha1",
  "sha2",
  "snmp-parser",
diff --git a/rust/Cargo.toml.in b/rust/Cargo.toml.in
index 97cf47186164..c69db937708e 100644
--- a/rust/Cargo.toml.in
+++ b/rust/Cargo.toml.in
@@ -65,10 +65,6 @@ ldap-parser = { version = "~0.4.0" }
 
 time = "~0.3.36"
 
-# pinned until oss-fuzz supports newer rust nightly cf https://github.com/google/oss-fuzz/pull/12365
-serde = { version = "=1.0.197" }
-serde_derive = { version = "1.0.197" }
-
 suricata-derive = { path = "./derive", version = "@PACKAGE_VERSION@" }
 
 suricata-lua-sys = { version = "0.1.0-alpha.1" }