diff --git a/src/rpc.rs b/src/rpc.rs
index 876ef1cf..6f8bb352 100644
--- a/src/rpc.rs
+++ b/src/rpc.rs
@@ -20,8 +20,10 @@ pub struct GenerateParams {
 
 impl Rpc {
     pub fn receive(&self, msg: Message) -> StdResult<Vec<u8>, RpcError> {
-        // specify rpc message as the resulting type
+        // consume the ws data into bytes
         let data = msg.into_data();
+
+        // cast the msg to this type to receive method name
         match from_slice::<RpcMessage>(&data) {
             Ok(v) => {
 
@@ -53,11 +55,6 @@ pub enum RpcError {
     UnknownMethod,
 }
 
-#[derive(Debug,Clone,Serialize,Deserialize)]
-enum RpcParam {
-    GenerateParams { level: u16 },
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;