diff --git a/Cargo.lock b/Cargo.lock
index accaf097a8..d0657706a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8569,6 +8569,7 @@ dependencies = [
  "bytes",
  "derive_more",
  "modular-bitfield",
+ "once_cell",
  "op-alloy-consensus",
  "proptest",
  "proptest-arbitrary-interop",
diff --git a/crates/optimism/primitives/Cargo.toml b/crates/optimism/primitives/Cargo.toml
index 55f8eee0b2..f0c35fb52e 100644
--- a/crates/optimism/primitives/Cargo.toml
+++ b/crates/optimism/primitives/Cargo.toml
@@ -36,6 +36,7 @@ serde = { workspace = true, optional = true }
 
 # misc
 derive_more = { workspace = true, features = ["deref", "from", "into", "constructor"] }
+once_cell.workspace = true
 rand = { workspace = true, optional = true }
 
 # test
@@ -65,12 +66,12 @@ std = [
 	"secp256k1?/std",
 	"alloy-rlp/std",
 	"reth-zstd-compressors?/std",
-	"op-alloy-consensus/std"
+	"op-alloy-consensus/std",
+	"once_cell/std"
 ]
 reth-codec = [
     "dep:reth-codecs",
     "std",
-    "rand",
     "dep:proptest",
     "dep:arbitrary",
     "reth-primitives/reth-codec",
diff --git a/crates/optimism/primitives/src/lib.rs b/crates/optimism/primitives/src/lib.rs
index 337d8da77b..f04ed59ff6 100644
--- a/crates/optimism/primitives/src/lib.rs
+++ b/crates/optimism/primitives/src/lib.rs
@@ -38,3 +38,5 @@ impl reth_primitives::NodePrimitives for OpPrimitives {
     type SignedTx = OpTransactionSigned;
     type Receipt = OpReceipt;
 }
+
+use once_cell as _;