diff --git a/crates/lib/pager/src/client/pager.rs b/crates/lib/pager/src/client/pager.rs
index def364e48a..64dd45fbde 100644
--- a/crates/lib/pager/src/client/pager.rs
+++ b/crates/lib/pager/src/client/pager.rs
@@ -59,9 +59,7 @@ impl Pager {
     &self,
     notification: NotificationDetails,
   ) -> Result<PageSentResult, PagerError> {
-    self.client.send_page(&notification)
-        .await
-        .map_err(PagerError::Service)
+    self.client.send_page(&notification).await
   }
 
   /// Enqueue a page to be sent by the background worker thread.
@@ -75,8 +73,7 @@ impl Pager {
     let queue = self.queue.as_ref()
       .ok_or(PagerSystemError::QueueFull)?;
 
-    let dropped = queue.push(notification)
-      .map_err(PagerError::System)?;
+    let dropped = queue.push(notification)?;
 
     if let Some(dropped) = dropped {
       log::warn!("Pager queue overflow: dropped '{}'", dropped.summary);
diff --git a/crates/lib/pager/src/client/pager_client.rs b/crates/lib/pager/src/client/pager_client.rs
index 8168ad569e..f74af414f3 100644
--- a/crates/lib/pager/src/client/pager_client.rs
+++ b/crates/lib/pager/src/client/pager_client.rs
@@ -5,6 +5,7 @@ use rootly_client::requests::create_alert::create_alert::{
   create_alert, CreateAlertArgs,
 };
 
+use crate::error::pager_error::PagerError;
 use crate::error::pager_service_error::PagerServiceError;
 use crate::notification::notification_details::NotificationDetails;
 
@@ -59,7 +60,7 @@ impl PagerClient {
   }
 
   /// Send a page immediately.
-  pub async fn send_page(&self, notification: &NotificationDetails) -> Result<PageSentResult, PagerServiceError> {
+  pub async fn send_page(&self, notification: &NotificationDetails) -> Result<PageSentResult, PagerError> {
     match &self.client_config {
       PagerClientConfig::Rootly { .. } => self.send_page_via_rootly(notification).await,
     }
@@ -68,7 +69,7 @@ impl PagerClient {
   async fn send_page_via_rootly(
     &self,
     notification: &NotificationDetails,
-  ) -> Result<PageSentResult, PagerServiceError> {
+  ) -> Result<PageSentResult, PagerError> {
     let PagerClientConfig::Rootly {
       api_key,
       alert_urgency_id,
@@ -118,7 +119,7 @@ impl PagerClient {
       }
       Err(err) => {
         error!("Failed to send page via Rootly: {}", err);
-        Err(PagerServiceError::RootlyError(err))
+        Err(PagerError::Service(PagerServiceError::RootlyError(err)))
       }
     }
   }
diff --git a/crates/lib/pager/src/worker/pager_worker_message_queue.rs b/crates/lib/pager/src/worker/pager_worker_message_queue.rs
index 74d0bafc1a..a8e8f2ace2 100644
--- a/crates/lib/pager/src/worker/pager_worker_message_queue.rs
+++ b/crates/lib/pager/src/worker/pager_worker_message_queue.rs
@@ -3,6 +3,7 @@ use std::sync::{Arc, Mutex, Condvar};
 
 use log::warn;
 
+use crate::error::pager_error::PagerError;
 use crate::error::pager_system_error::PagerSystemError;
 use crate::notification::notification_details::NotificationDetails;
 
@@ -35,7 +36,7 @@ impl PagerWorkerMessageQueue {
   ///
   /// If the queue is full, the oldest item is dropped and a warning is logged.
   /// Returns `Ok(Some(summary))` if an old item was evicted, `Ok(None)` otherwise.
-  pub fn push(&self, notification: NotificationDetails) -> Result<Option<NotificationDetails>, PagerSystemError> {
+  pub fn push(&self, notification: NotificationDetails) -> Result<Option<NotificationDetails>, PagerError> {
     let mut queue = self.inner.lock()
       .map_err(|e| PagerSystemError::MutexPoisoned(format!("push: {}", e)))?;
 
@@ -57,7 +58,7 @@ impl PagerWorkerMessageQueue {
   /// Block until at least one item is available, then drain all items.
   ///
   /// Returns an error if the mutex is poisoned.
-  pub fn wait_and_drain(&self) -> Result<Vec<NotificationDetails>, PagerSystemError> {
+  pub fn wait_and_drain(&self) -> Result<Vec<NotificationDetails>, PagerError> {
     let mut queue = self.inner.lock()
       .map_err(|e| PagerSystemError::MutexPoisoned(format!("wait_and_drain lock: {}", e)))?;
 
@@ -71,7 +72,7 @@ impl PagerWorkerMessageQueue {
   }
 
   /// Non-blocking drain of all currently queued items.
-  pub fn drain_available(&self) -> Result<Vec<NotificationDetails>, PagerSystemError> {
+  pub fn drain_available(&self) -> Result<Vec<NotificationDetails>, PagerError> {
     let mut queue = self.inner.lock()
       .map_err(|e| PagerSystemError::MutexPoisoned(format!("drain_available: {}", e)))?;
     Ok(queue.drain(..).collect())
@@ -84,13 +85,13 @@ impl PagerWorkerMessageQueue {
     self.condvar.notify_all();
   }
 
-  pub fn len(&self) -> Result<usize, PagerSystemError> {
+  pub fn len(&self) -> Result<usize, PagerError> {
     let queue = self.inner.lock()
       .map_err(|e| PagerSystemError::MutexPoisoned(format!("len: {}", e)))?;
     Ok(queue.len())
   }
 
-  pub fn is_empty(&self) -> Result<bool, PagerSystemError> {
+  pub fn is_empty(&self) -> Result<bool, PagerError> {
     Ok(self.len()? == 0)
   }
 }