diff --git a/Cargo.lock b/Cargo.lock
index a13536f44a..952f4b6cf5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6915,7 +6915,6 @@ dependencies = [
  "parity-scale-codec",
  "precompile-utils",
  "scale-info",
- "serde_json",
  "sp-api",
  "sp-consensus-slots",
  "sp-core",
diff --git a/runtime/common/Cargo.toml b/runtime/common/Cargo.toml
index 19f46062b1..d3c3027be3 100644
--- a/runtime/common/Cargo.toml
+++ b/runtime/common/Cargo.toml
@@ -11,7 +11,6 @@ version = "0.8.0-dev"
 hex-literal = "0.3.4"
 impl-trait-for-tuples = "0.2.1"
 log = "0.4"
-serde_json = { version = "1.0.114", default-features = false }
 
 # Moonbeam
 moonbeam-core-primitives = { workspace = true }