diff --git a/backend/windmill-api/src/concurrency_groups.rs b/backend/windmill-api/src/concurrency_groups.rs
index 57a0941492..d66da5417f 100644
--- a/backend/windmill-api/src/concurrency_groups.rs
+++ b/backend/windmill-api/src/concurrency_groups.rs
@@ -21,12 +21,14 @@ pub fn global_service() -> Router {
     Router::new()
 }
 
+#[cfg(feature = "enterprise")]
 #[derive(Serialize)]
 pub struct ConcurrencyGroups {
     concurrency_id: String,
     job_uuids: Vec<String>,
 }
 
+#[cfg(feature = "enterprise")]
 async fn list_concurrency_groups(
     authed: ApiAuthed,
     Extension(db): Extension<DB>,
@@ -66,6 +68,7 @@ async fn list_concurrency_groups(
     return Ok(Json(concurrency_groups));
 }
 
+#[cfg(feature = "enterprise")]
 async fn delete_concurrency_group(
     authed: ApiAuthed,
     Extension(db): Extension<DB>,
diff --git a/backend/windmill-api/src/oidc.rs b/backend/windmill-api/src/oidc.rs
index 9bb1549e58..917c144a14 100644
--- a/backend/windmill-api/src/oidc.rs
+++ b/backend/windmill-api/src/oidc.rs
@@ -54,11 +54,13 @@ pub fn workspaced_service() -> Router {
     Router::new().route("/token/:audience", post(gen_token))
 }
 
+#[cfg(feature = "enterprise")]
 #[derive(Debug, Clone, serde::Serialize)]
 struct Keys {
     private_key: String,
 }
 
+#[cfg(feature = "enterprise")]
 async fn gen_pems(db: &DB) -> anyhow::Result<Keys> {
     let private_key_cmd = Command::new("openssl")
         .arg("genrsa")
diff --git a/backend/windmill-common/src/lib.rs b/backend/windmill-common/src/lib.rs
index 091cbc0254..e5631e59e7 100644
--- a/backend/windmill-common/src/lib.rs
+++ b/backend/windmill-common/src/lib.rs
@@ -42,7 +42,7 @@ pub mod workspaces;
 pub mod tracing_init;
 
 pub const DEFAULT_MAX_CONNECTIONS_SERVER: u32 = 50;
-pub const DEFAULT_MAX_CONNECTIONS_WORKER: u32 = 5;
+pub const DEFAULT_MAX_CONNECTIONS_WORKER: u32 = 3;
 
 lazy_static::lazy_static! {
     pub static ref METRICS_PORT: u16 = std::env::var("METRICS_PORT")