diff --git a/Cargo.toml b/Cargo.toml
index 72998d0..8088509 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,9 +7,6 @@ exclude = [
     "benches"
 ]
 
-[build]
-target = "wasm32-unknown-unknown"
-
 [workspace]
 members = [
     "cli",
diff --git a/config/src/config.rs b/config/src/config.rs
index d40947c..2e25710 100644
--- a/config/src/config.rs
+++ b/config/src/config.rs
@@ -4,7 +4,6 @@ use figment::{
 };
 use serde::{Deserialize, Deserializer};
 use std::{path::PathBuf, process::exit};
-use wasm_bindgen::JsValue;
 
 use crate::base::BaseConfig;
 use crate::cli::CliConfig;
diff --git a/consensus/src/rpc/nimbus_rpc.rs b/consensus/src/rpc/nimbus_rpc.rs
index 6db281c..ddf5a00 100644
--- a/consensus/src/rpc/nimbus_rpc.rs
+++ b/consensus/src/rpc/nimbus_rpc.rs
@@ -18,17 +18,18 @@ use super::ConsensusRpc;
 #[derive(Debug)]
 pub struct RpcError {
     message: String,
+    _type: String,
 }
 
 impl RpcError {
-    pub fn new(message: String) -> Self {
-        Self { message }
+    pub fn new(message: String, _type: String) -> Self {
+        Self { message, _type }
     }
 }
 
 impl Display for RpcError {
     fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        write!(f, "{}", self.message)
+        write!(f, "{} error {}", self._type, self.message)
     }
 }
 
@@ -37,7 +38,7 @@ impl From<JsValue> for RpcError {
         let message = js_error
             .as_string()
             .unwrap_or_else(|| "Unknown error".to_string());
-        RpcError::new(message)
+        RpcError::new(message, String::from(""))
     }
 }
 
@@ -66,9 +67,11 @@ impl ConsensusRpc for NimbusRpc {
         let root_hex = hex::encode(block_root);
         let path = format!("/eth/v1/beacon/light_client/bootstrap/0x{}", root_hex);
 
-        let res = self.request::<Bootstrap>(&path, "bootstrap").await?;
+        let res = self
+            .request::<BootstrapResponse>(&path, "bootstrap")
+            .await?;
 
-        Ok(res)
+        Ok(res.data)
     }
 
     async fn get_updates(&self, period: u64, count: u8) -> Result<Vec<Update>> {
@@ -176,7 +179,8 @@ impl NimbusRpc {
         let result = js_future.await?;
 
         let json = result.as_string().unwrap();
-        let response: T = serde_json::from_str(&json).map_err(|e| RpcError::new(e.to_string()))?;
+        let response: T = serde_json::from_str(&json)
+            .map_err(|e| RpcError::new(e.to_string(), String::from(error_type)))?;
 
         Ok(response)
     }
diff --git a/execution/src/execution.rs b/execution/src/execution.rs
index 3d35418..467b594 100644
--- a/execution/src/execution.rs
+++ b/execution/src/execution.rs
@@ -31,7 +31,7 @@ pub struct ExecutionClient<R: ExecutionRpc> {
 }
 
 impl<R: ExecutionRpc> ExecutionClient<R> {
-    pub fn new(rpc: &str) -> Result<Self> {
+    pub fn new(_rpc: &str) -> Result<Self> {
         let rpc: R = ExecutionRpc::new()?;
         Ok(ExecutionClient { rpc })
     }
diff --git a/helios-ts/Cargo.toml b/helios-ts/Cargo.toml
index dd96f77..c0f683d 100644
--- a/helios-ts/Cargo.toml
+++ b/helios-ts/Cargo.toml
@@ -1,6 +1,3 @@
-[build]
-target = "wasm32-unknown-unknown"
-
 [package]
 name = "helios-ts"
 version = "0.1.0"
diff --git a/helios-ts/src/lib.rs b/helios-ts/src/lib.rs
index bd46c77..0e75e9d 100644
--- a/helios-ts/src/lib.rs
+++ b/helios-ts/src/lib.rs
@@ -27,7 +27,7 @@ pub struct Client {
 #[wasm_bindgen]
 impl Client {
     #[wasm_bindgen(constructor)]
-    pub fn new(network: String, checkpoint: Option<String>) -> Self {
+    pub fn new(checkpoint: Option<String>) -> Self {
         console_error_panic_hook::set_once();
 
         let base = networks::mainnet();