diff --git a/rpc-state-reader/Cargo.toml b/rpc-state-reader/Cargo.toml
index 9dd0f43..5a4af9f 100644
--- a/rpc-state-reader/Cargo.toml
+++ b/rpc-state-reader/Cargo.toml
@@ -16,8 +16,8 @@ serde_json = { version = "1.0", features = [
   "raw_value",
 ] }
 starknet_api = {workspace = true}
-cairo-lang-starknet-classes = "2.9.0-dev.0"
-cairo-lang-utils = "2.9.0-dev.0"
+cairo-lang-starknet-classes = "=2.9.0-dev.0"
+cairo-lang-utils = "=2.9.0-dev.0"
 cairo-native = { workspace = true }
 starknet = "0.6.0"
 flate2 = "1.0.25"
diff --git a/rpc-state-reader/src/execution.rs b/rpc-state-reader/src/execution.rs
index 5d73eef..c0337ce 100644
--- a/rpc-state-reader/src/execution.rs
+++ b/rpc-state-reader/src/execution.rs
@@ -5,11 +5,7 @@ use crate::{
 use blockifier::{
     bouncer::BouncerConfig,
     context::{BlockContext, ChainInfo, FeeTokenAddresses},
-    execution::contract_class::RunnableCompiledClass,
-    state::{
-        cached_state::{CachedState, TransactionalState},
-        state_api::{State, StateReader},
-    },
+    state::{cached_state::CachedState, state_api::StateReader},
     transaction::{
         account_transaction::AccountTransaction as BlockiAccountTransaction,
         objects::{TransactionExecutionInfo, TransactionExecutionResult},