diff --git a/crates/gateway/src/compilation.rs b/crates/gateway/src/compilation.rs
index 1df6d0d99..18dd58197 100644
--- a/crates/gateway/src/compilation.rs
+++ b/crates/gateway/src/compilation.rs
@@ -19,6 +19,7 @@ use crate::utils::is_subsequence;
 #[path = "compilation_test.rs"]
 mod compilation_test;
 
+#[derive(Clone)]
 pub struct GatewayCompiler {
     #[allow(dead_code)]
     pub config: GatewayCompilerConfig,
diff --git a/crates/gateway/src/config.rs b/crates/gateway/src/config.rs
index 389bc4f69..49970fa7a 100644
--- a/crates/gateway/src/config.rs
+++ b/crates/gateway/src/config.rs
@@ -296,7 +296,7 @@ impl StatefulTransactionValidatorConfig {
     }
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, Validate, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize, Validate, PartialEq)]
 pub struct GatewayCompilerConfig {}
 
 impl SerializeConfig for GatewayCompilerConfig {
diff --git a/crates/gateway/src/gateway.rs b/crates/gateway/src/gateway.rs
index a4f611bed..920be0ae0 100644
--- a/crates/gateway/src/gateway.rs
+++ b/crates/gateway/src/gateway.rs
@@ -36,6 +36,7 @@ pub struct AppState {
     pub stateless_tx_validator: StatelessTransactionValidator,
     pub stateful_tx_validator: Arc<StatefulTransactionValidator>,
     pub state_reader_factory: Arc<dyn StateReaderFactory>,
+    pub gateway_compiler: GatewayCompiler,
     pub mempool_client: SharedMempoolClient,
 }
 
@@ -43,6 +44,7 @@ impl Gateway {
     pub fn new(
         config: GatewayConfig,
         state_reader_factory: Arc<dyn StateReaderFactory>,
+        gateway_compiler: GatewayCompiler,
         mempool_client: SharedMempoolClient,
     ) -> Self {
         let app_state = AppState {
@@ -53,6 +55,7 @@ impl Gateway {
                 config: config.stateful_tx_validator_config.clone(),
             }),
             state_reader_factory,
+            gateway_compiler,
             mempool_client,
         };
         Gateway { config, app_state }
@@ -93,6 +96,7 @@ async fn add_tx(
             app_state.stateless_tx_validator,
             app_state.stateful_tx_validator.as_ref(),
             app_state.state_reader_factory.as_ref(),
+            app_state.gateway_compiler,
             tx,
         )
     })
@@ -113,6 +117,7 @@ fn process_tx(
     stateless_tx_validator: StatelessTransactionValidator,
     stateful_tx_validator: &StatefulTransactionValidator,
     state_reader_factory: &dyn StateReaderFactory,
+    gateway_compiler: GatewayCompiler,
     tx: RPCTransaction,
 ) -> GatewayResult<MempoolInput> {
     // TODO(Arni, 1/5/2024): Perform congestion control.
@@ -123,7 +128,6 @@ fn process_tx(
     // Compile Sierra to Casm.
     let optional_class_info = match &tx {
         RPCTransaction::Declare(declare_tx) => {
-            let gateway_compiler = GatewayCompiler { config: Default::default() };
             Some(gateway_compiler.compile_contract_class(declare_tx)?)
         }
         _ => None,
@@ -145,7 +149,8 @@ pub fn create_gateway(
     client: SharedMempoolClient,
 ) -> Gateway {
     let state_reader_factory = Arc::new(RpcStateReaderFactory { config: rpc_state_reader_config });
-    Gateway::new(config, state_reader_factory, client)
+    let gateway_compiler = GatewayCompiler { config: config.compiler_config };
+    Gateway::new(config, state_reader_factory, gateway_compiler, client)
 }
 
 #[async_trait]
diff --git a/crates/gateway/src/gateway_test.rs b/crates/gateway/src/gateway_test.rs
index e4288afe5..5216c8797 100644
--- a/crates/gateway/src/gateway_test.rs
+++ b/crates/gateway/src/gateway_test.rs
@@ -17,7 +17,9 @@ use starknet_mempool_types::communication::{MempoolClientImpl, MempoolRequestAnd
 use tokio::sync::mpsc::channel;
 use tokio::task;
 
-use crate::config::{StatefulTransactionValidatorConfig, StatelessTransactionValidatorConfig};
+use crate::config::{
+    GatewayCompilerConfig, StatefulTransactionValidatorConfig, StatelessTransactionValidatorConfig,
+};
 use crate::gateway::{add_tx, AppState, GatewayCompiler, SharedMempoolClient};
 use crate::state_reader_test_utils::{
     local_test_state_reader_factory, local_test_state_reader_factory_for_deploy_account,
@@ -52,6 +54,7 @@ pub fn app_state(
         stateful_tx_validator: Arc::new(StatefulTransactionValidator {
             config: StatefulTransactionValidatorConfig::create_for_testing(),
         }),
+        gateway_compiler: GatewayCompiler { config: GatewayCompilerConfig {} },
         state_reader_factory: Arc::new(state_reader_factory),
         mempool_client,
     }
@@ -94,7 +97,7 @@ async fn test_add_tx(
 
     let app_state = app_state(mempool_client, state_reader_factory);
 
-    let tx_hash = calculate_hash(&tx);
+    let tx_hash = calculate_hash(&tx, &app_state.gateway_compiler);
     let response = add_tx(State(app_state), tx.into()).await.into_response();
 
     let status_code = response.status();
@@ -108,13 +111,14 @@ async fn to_bytes(res: Response) -> Bytes {
     res.into_body().collect().await.unwrap().to_bytes()
 }
 
-fn calculate_hash(external_tx: &RPCTransaction) -> TransactionHash {
+fn calculate_hash(
+    external_tx: &RPCTransaction,
+    gateway_compiler: &GatewayCompiler,
+) -> TransactionHash {
     let optional_class_info = match &external_tx {
-        RPCTransaction::Declare(declare_tx) => Some(
-            GatewayCompiler { config: Default::default() }
-                .compile_contract_class(declare_tx)
-                .unwrap(),
-        ),
+        RPCTransaction::Declare(declare_tx) => {
+            Some(gateway_compiler.compile_contract_class(declare_tx).unwrap())
+        }
         _ => None,
     };
 
diff --git a/crates/gateway/src/stateful_transaction_validator_test.rs b/crates/gateway/src/stateful_transaction_validator_test.rs
index ffe1df19f..bd1216075 100644
--- a/crates/gateway/src/stateful_transaction_validator_test.rs
+++ b/crates/gateway/src/stateful_transaction_validator_test.rs
@@ -19,7 +19,7 @@ use starknet_api::transaction::TransactionHash;
 use starknet_types_core::felt::Felt;
 
 use crate::compilation::GatewayCompiler;
-use crate::config::StatefulTransactionValidatorConfig;
+use crate::config::{GatewayCompilerConfig, StatefulTransactionValidatorConfig};
 use crate::errors::{StatefulTransactionValidatorError, StatefulTransactionValidatorResult};
 use crate::state_reader_test_utils::{
     local_test_state_reader_factory, local_test_state_reader_factory_for_deploy_account,
@@ -95,10 +95,11 @@ fn test_stateful_tx_validator(
     stateful_validator: StatefulTransactionValidator,
 ) {
     let optional_class_info = match &external_tx {
-        RPCTransaction::Declare(declare_tx) => {
-            let gateway_compiler = GatewayCompiler { config: Default::default() };
-            Some(gateway_compiler.compile_contract_class(declare_tx).unwrap())
-        }
+        RPCTransaction::Declare(declare_tx) => Some(
+            GatewayCompiler { config: GatewayCompilerConfig {} }
+                .compile_contract_class(declare_tx)
+                .unwrap(),
+        ),
         _ => None,
     };