diff --git a/config/src/config.rs b/config/src/config.rs
index 97b5fe058..d11298078 100644
--- a/config/src/config.rs
+++ b/config/src/config.rs
@@ -210,7 +210,7 @@ impl GlobalWalletConfig {
 	/// apply defaults for each chain type
 	pub fn for_chain(chain_type: &global::ChainTypes) -> GlobalWalletConfig {
 		let mut defaults_conf = GlobalWalletConfig::default();
-		let mut defaults = &mut defaults_conf.members.as_mut().unwrap().wallet;
+		let defaults = &mut defaults_conf.members.as_mut().unwrap().wallet;
 		defaults.chain_type = Some(chain_type.clone());
 
 		match *chain_type {