diff --git a/crates/gateway/Cargo.toml b/crates/gateway/Cargo.toml
index 16a90fb6..e354515c 100644
--- a/crates/gateway/Cargo.toml
+++ b/crates/gateway/Cargo.toml
@@ -8,6 +8,9 @@ license.workspace = true
 [lints]
 workspace = true
 
+[features]
+testing = []
+
 [dependencies]
 axum.workspace = true
 blockifier.workspace = true
diff --git a/crates/gateway/src/config.rs b/crates/gateway/src/config.rs
index b7c53c51..783b658f 100644
--- a/crates/gateway/src/config.rs
+++ b/crates/gateway/src/config.rs
@@ -82,6 +82,7 @@ pub struct RpcStateReaderConfig {
     pub json_rpc_version: String,
 }
 
+#[cfg(any(feature = "testing", test))]
 impl RpcStateReaderConfig {
     pub fn create_for_testing() -> Self {
         Self { url: "http://localhost:8080".to_string(), json_rpc_version: "2.0".to_string() }