diff --git a/crates/playout/src/config.rs b/crates/playout/src/config.rs
index 2d9da98..1a6b5ac 100644
--- a/crates/playout/src/config.rs
+++ b/crates/playout/src/config.rs
@@ -5,7 +5,6 @@ use std::time::Duration;
 pub struct PlayoutConfig {
     pub listen_addr: String,
     pub segment_duration_secs: u32,
-    pub target_duration_secs: u32,
     pub window_size: usize,
     pub storage_path: PathBuf,
     pub tick_interval_ms: u64,
@@ -17,7 +16,6 @@ impl Default for PlayoutConfig {
         Self {
             listen_addr: "0.0.0.0:9090".into(),
             segment_duration_secs: 6,
-            target_duration_secs: 6,
             window_size: 10,
             storage_path: PathBuf::from("/tmp/k-tv-playout"),
             tick_interval_ms: 1000,
@@ -34,7 +32,6 @@ impl PlayoutConfig {
         }
         if let Some(v) = std::env::var("PLAYOUT_SEGMENT_DURATION").ok().and_then(|v| v.parse().ok()) {
             config.segment_duration_secs = v;
-            config.target_duration_secs = v;
         }
         if let Some(v) = std::env::var("PLAYOUT_WINDOW_SIZE").ok().and_then(|v| v.parse().ok()) {
             config.window_size = v;
diff --git a/crates/playout/src/scte35.rs b/crates/playout/src/scte35.rs
index 37a6258..422fb61 100644
--- a/crates/playout/src/scte35.rs
+++ b/crates/playout/src/scte35.rs
@@ -5,7 +5,7 @@ use crate::config::PlayoutConfig;
 use crate::metadata::{OverlayPayload, TimedMetadata};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
-pub enum Scte35Event {
+pub(crate) enum Scte35Event {
     SpliceOut {
         id: String,
         start: DateTime<Utc>,
@@ -18,13 +18,13 @@ pub enum Scte35Event {
 }
 
 #[derive(Debug, Clone)]
-pub struct PlayoutPlan {
+pub(crate) struct PlayoutPlan {
     pub slots: Vec<ScheduledSlot>,
     pub scte35_events: Vec<Scte35Event>,
     pub timed_metadata: Vec<TimedMetadata>,
 }
 
-pub fn build_playout_plan(slots: &[ScheduledSlot], config: &PlayoutConfig) -> PlayoutPlan {
+pub(crate) fn build_playout_plan(slots: &[ScheduledSlot], config: &PlayoutConfig) -> PlayoutPlan {
     let scte35_events = detect_midroll_breaks(slots);
     let timed_metadata = generate_overlay_triggers(slots, config);
 
@@ -103,7 +103,7 @@ fn generate_overlay_triggers(
     triggers
 }
 
-pub fn render_scte35_daterange(event: &Scte35Event) -> String {
+pub(crate) fn render_scte35_daterange(event: &Scte35Event) -> String {
     match event {
         Scte35Event::SpliceOut {
             id,