diff --git a/Cargo.toml b/Cargo.toml
index 7bc0e6ecb6..37861debb6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,8 +54,8 @@ test-case = "2.2.2"
 thiserror = "1.0.37"
 
 [workspace.lints.rust]
-warnings = "deny"
 future-incompatible = "deny"
 nonstandard-style = "deny"
 rust-2018-idioms = "deny"
-unused = "deny"
+unused = { level = "deny", priority = -1 }
+warnings = "deny"
diff --git a/crates/blockifier/src/fee/actual_cost.rs b/crates/blockifier/src/fee/actual_cost.rs
index 7e53d50bca..4d51ccd67d 100644
--- a/crates/blockifier/src/fee/actual_cost.rs
+++ b/crates/blockifier/src/fee/actual_cost.rs
@@ -189,7 +189,7 @@ impl<'a> ActualCostBuilder<'a> {
         let bouncer_resources = actual_resources.clone();
 
         // Add reverted steps to actual_resources' n_steps for correct fee charge.
-        *actual_resources.0.get_mut(&abi_constants::N_STEPS_RESOURCE.to_string()).unwrap() +=
+        *actual_resources.0.get_mut(abi_constants::N_STEPS_RESOURCE).unwrap() +=
             self.n_reverted_steps;
 
         let tx_info = &self.tx_context.tx_info;
diff --git a/crates/blockifier/src/state/cached_state_test.rs b/crates/blockifier/src/state/cached_state_test.rs
index a8467c43cb..c6a0bea482 100644
--- a/crates/blockifier/src/state/cached_state_test.rs
+++ b/crates/blockifier/src/state/cached_state_test.rs
@@ -390,7 +390,7 @@ fn global_contract_cache_is_used() {
     let mut state = CachedState::new(DictStateReader::default(), global_cache.clone());
 
     // Assert local cache is initialized empty even if global cache is not empty.
-    assert!(state.class_hash_to_class.get(&class_hash).is_none());
+    assert!(!state.class_hash_to_class.contains_key(&class_hash));
 
     // Check state uses the global cache.
     assert_eq!(state.get_compiled_contract_class(class_hash).unwrap(), contract_class);
diff --git a/crates/native_blockifier/src/py_validator.rs b/crates/native_blockifier/src/py_validator.rs
index 5480014f03..2dcc84e4a1 100644
--- a/crates/native_blockifier/src/py_validator.rs
+++ b/crates/native_blockifier/src/py_validator.rs
@@ -31,6 +31,7 @@ pub struct PyValidator {
 
 #[pymethods]
 impl PyValidator {
+    #[allow(clippy::too_many_arguments)]
     #[new]
     #[pyo3(signature = (general_config, state_reader_proxy, next_block_info, validate_max_n_steps, invoke_max_n_steps, max_recursion_depth, global_contract_cache_size, max_nonce_for_validation_skip))]
     pub fn create(