diff --git a/node/src/chain_spec/laos.rs b/node/src/chain_spec/laos.rs
index dc25f7f9..8eec802b 100644
--- a/node/src/chain_spec/laos.rs
+++ b/node/src/chain_spec/laos.rs
@@ -147,5 +147,5 @@ fn create_test_genesis_config() -> serde_json::Value {
 		},
 		..Default::default()
 	};
-	serde_json::to_value(&config).expect("Could not build genesis config.")
+	serde_json::to_value(config).expect("Could not build genesis config.")
 }
diff --git a/pallets/precompiles-benchmark/src/precompiles/vesting/benchmarking.rs b/pallets/precompiles-benchmark/src/precompiles/vesting/benchmarking.rs
index fde9bfce..fb8cacf7 100644
--- a/pallets/precompiles-benchmark/src/precompiles/vesting/benchmarking.rs
+++ b/pallets/precompiles-benchmark/src/precompiles/vesting/benchmarking.rs
@@ -132,7 +132,6 @@ type BalanceOf<Runtime> = <<Runtime as pallet_vesting::Config>::Currency as Curr
  *   T: Config + pallet_vesting: Config,
  * ```
  */
-#[allow(clippy::multiple_bound_locations)]
 #[benchmarks(
 	where
 		T: Config + pallet_vesting::Config,
diff --git a/rust-toolchain b/rust-toolchain
index 49c0b9d9..24ee9037 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "stable"
+channel = "1.77"
 components = [ "rustfmt", "clippy", "rust-src" ]
 targets = [ "wasm32-unknown-unknown" ]
 profile = "minimal"
\ No newline at end of file