diff --git a/src/runtime-rs/Cargo.lock b/src/runtime-rs/Cargo.lock
index a37eb41874..b70e39030d 100644
--- a/src/runtime-rs/Cargo.lock
+++ b/src/runtime-rs/Cargo.lock
@@ -1792,7 +1792,6 @@ dependencies = [
  "kata-sys-util",
  "kata-types",
  "libc",
- "rustc-serialize",
  "safe-path",
  "serde",
  "serde_json",
@@ -2236,12 +2235,6 @@ version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
-[[package]]
-name = "rustc-serialize"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
-
 [[package]]
 name = "rustix"
 version = "0.34.8"
diff --git a/src/runtime-rs/crates/persist/Cargo.toml b/src/runtime-rs/crates/persist/Cargo.toml
index 4a5a32bfd9..18c8bff3de 100644
--- a/src/runtime-rs/crates/persist/Cargo.toml
+++ b/src/runtime-rs/crates/persist/Cargo.toml
@@ -11,7 +11,6 @@ anyhow = "^1.0"
 kata-sys-util = { path = "../../../libs/kata-sys-util"}
 kata-types = { path = "../../../libs/kata-types" }
 libc = "0.2"
-rustc-serialize = "0.3.24"
 serde = { version = "1.0.138", features = ["derive"] }
 serde_json = "1.0.82"
 safe-path = { path = "../../../libs/safe-path"}