diff --git a/rust/kathy/src/main.rs b/rust/kathy/src/main.rs
index d3d252252..e58ec91ed 100644
--- a/rust/kathy/src/main.rs
+++ b/rust/kathy/src/main.rs
@@ -15,12 +15,11 @@ use crate::{kathy::Kathy, settings::KathySettings as Settings};
 
 async fn _main() -> Result<()> {
     color_eyre::install()?;
-
     let settings = Settings::new()?;
     settings.base.tracing.try_init_tracing()?;
 
-    let kathy = Kathy::from_settings(settings).await?;
-    kathy.run_all().await?;
+    let agent = Kathy::from_settings(settings).await?;
+    agent.run_all().await?;
     Ok(())
 }
 
diff --git a/rust/processor/src/main.rs b/rust/processor/src/main.rs
index b59b6735f..d953afe9d 100644
--- a/rust/processor/src/main.rs
+++ b/rust/processor/src/main.rs
@@ -17,26 +17,20 @@ use color_eyre::Result;
 use crate::{processor::Processor, settings::ProcessorSettings as Settings};
 use optics_base::agent::OpticsAgent;
 
-async fn _main(settings: Settings) -> Result<()> {
-    let processor = Processor::from_settings(settings).await?;
-    processor.run_all().await?;
-
-    Ok(())
-}
-
-fn setup() -> Result<Settings> {
+async fn _main() -> Result<()> {
     color_eyre::install()?;
     let settings = Settings::new()?;
     settings.base.tracing.try_init_tracing()?;
-    Ok(settings)
+
+    let agent = Processor::from_settings(settings).await?;
+    agent.run_all().await?;
+    Ok(())
 }
 
 fn main() -> Result<()> {
-    let settings = setup()?;
-
     tokio::runtime::Builder::new_current_thread()
         .enable_all()
         .build()
         .unwrap()
-        .block_on(_main(settings))
+        .block_on(_main())
 }
diff --git a/rust/relayer/src/main.rs b/rust/relayer/src/main.rs
index 50f6e932f..c7c34ca3d 100644
--- a/rust/relayer/src/main.rs
+++ b/rust/relayer/src/main.rs
@@ -19,29 +19,20 @@ use optics_base::agent::OpticsAgent;
 
 use crate::{relayer::Relayer, settings::RelayerSettings as Settings};
 
-async fn _main(settings: Settings) -> Result<()> {
-    let relayer = Relayer::from_settings(settings).await?;
-    relayer.run_all().await?;
-
-    Ok(())
-}
-
-fn setup() -> Result<Settings> {
+async fn _main() -> Result<()> {
     color_eyre::install()?;
-
     let settings = Settings::new()?;
-
     settings.base.tracing.try_init_tracing()?;
 
-    Ok(settings)
+    let agent = Relayer::from_settings(settings).await?;
+    agent.run_all().await?;
+    Ok(())
 }
 
 fn main() -> Result<()> {
-    let settings = setup()?;
-
     tokio::runtime::Builder::new_current_thread()
         .enable_all()
         .build()
         .unwrap()
-        .block_on(_main(settings))
+        .block_on(_main())
 }
diff --git a/rust/updater/src/main.rs b/rust/updater/src/main.rs
index 4cba15ac0..f53d050cf 100644
--- a/rust/updater/src/main.rs
+++ b/rust/updater/src/main.rs
@@ -16,29 +16,20 @@ use optics_base::agent::OpticsAgent;
 
 use crate::{settings::UpdaterSettings as Settings, updater::Updater};
 
-async fn _main(settings: Settings) -> Result<()> {
-    let updater = Updater::from_settings(settings).await?;
-
-    updater.run("").await??;
-
-    Ok(())
-}
-
-fn setup() -> Result<Settings> {
+async fn _main() -> Result<()> {
     color_eyre::install()?;
-
     let settings = Settings::new()?;
     settings.base.tracing.try_init_tracing()?;
 
-    Ok(settings)
+    let agent = Updater::from_settings(settings).await?;
+    agent.run_all().await?;
+    Ok(())
 }
 
 fn main() -> Result<()> {
-    let settings = setup()?;
-
     tokio::runtime::Builder::new_current_thread()
         .enable_all()
         .build()
         .unwrap()
-        .block_on(_main(settings))
+        .block_on(_main())
 }
diff --git a/rust/watcher/src/main.rs b/rust/watcher/src/main.rs
index 940b08400..0e9f967f9 100644
--- a/rust/watcher/src/main.rs
+++ b/rust/watcher/src/main.rs
@@ -18,29 +18,20 @@ use optics_base::agent::OpticsAgent;
 
 use crate::{settings::WatcherSettings as Settings, watcher::Watcher};
 
-async fn _main(settings: Settings) -> Result<()> {
-    let watcher = Watcher::from_settings(settings).await?;
-    watcher.run_all().await?;
-
-    Ok(())
-}
-
-fn setup() -> Result<Settings> {
+async fn _main() -> Result<()> {
     color_eyre::install()?;
-
     let settings = Settings::new()?;
-
     settings.base.tracing.try_init_tracing()?;
 
-    Ok(settings)
+    let agent = Watcher::from_settings(settings).await?;
+    agent.run_all().await?;
+    Ok(())
 }
 
 fn main() -> Result<()> {
-    let settings = setup()?;
-
     tokio::runtime::Builder::new_current_thread()
         .enable_all()
         .build()
         .unwrap()
-        .block_on(_main(settings))
+        .block_on(_main())
 }