diff --git a/client/rpc-core/src/types/call_request.rs b/client/rpc-core/src/types/call_request.rs
index 2e014d3475..41b883ae26 100644
--- a/client/rpc-core/src/types/call_request.rs
+++ b/client/rpc-core/src/types/call_request.rs
@@ -26,7 +26,6 @@ use crate::types::Bytes;
 
 /// Call request
 #[derive(Clone, Debug, Default, Eq, PartialEq, Deserialize)]
-#[serde(deny_unknown_fields)]
 #[serde(rename_all = "camelCase")]
 pub struct CallRequest {
 	/// From