diff --git a/crates/relayer/src/chain/cosmos.rs b/crates/relayer/src/chain/cosmos.rs
index 7b7d881f09..f1935d12a8 100644
--- a/crates/relayer/src/chain/cosmos.rs
+++ b/crates/relayer/src/chain/cosmos.rs
@@ -941,7 +941,7 @@ impl ChainEndpoint for CosmosSdkChain {
         &mut self.keybase
     }
 
-    fn get_key(&mut self) -> Result<Self::SigningKeyPair, Error> {
+    fn get_key(&self) -> Result<Self::SigningKeyPair, Error> {
         // Get the key from key seed file
         let key_pair = self
             .keybase()
diff --git a/crates/relayer/src/chain/endpoint.rs b/crates/relayer/src/chain/endpoint.rs
index 02b1d342cb..11f47a7486 100644
--- a/crates/relayer/src/chain/endpoint.rs
+++ b/crates/relayer/src/chain/endpoint.rs
@@ -112,7 +112,7 @@ pub trait ChainEndpoint: Sized {
     fn get_signer(&self) -> Result<Signer, Error>;
 
     /// Get the signing key pair
-    fn get_key(&mut self) -> Result<Self::SigningKeyPair, Error>;
+    fn get_key(&self) -> Result<Self::SigningKeyPair, Error>;
 
     fn add_key(&mut self, key_name: &str, key_pair: Self::SigningKeyPair) -> Result<(), Error> {
         self.keybase_mut()