diff --git a/backend/src/services/__tests__/ordrestyringSyncService.test.js b/backend/src/services/__tests__/ordrestyringSyncService.test.js
index fb70d46..e280624 100644
--- a/backend/src/services/__tests__/ordrestyringSyncService.test.js
+++ b/backend/src/services/__tests__/ordrestyringSyncService.test.js
@@ -228,7 +228,6 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
     const stages = [
       ['syncCases', 1],
       ['syncUsers', 2],
-      ['syncHours', 0],
       ['syncDebtors', 5],
       ['syncOfferSnapshots', 6],
       ['syncCaseFeatures', 8],
@@ -237,6 +236,7 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
     stages.forEach(([name, changes]) => {
       service[name] = jest.fn().mockResolvedValue({ hasChanges: changes > 0, changes });
     });
+    service.syncHours = jest.fn().mockResolvedValue({ hasChanges: true, changes: 100 });
     service.syncMaterials = jest.fn().mockResolvedValue({ hasChanges: true, changes: 100 });
     service.syncCaseMaterialSnapshots = jest.fn().mockResolvedValue({ hasChanges: true, changes: 100 });
     service.logSyncActivity = jest.fn().mockResolvedValue();
@@ -249,6 +249,7 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
       expect.any(Number),
       22
     );
+    expect(service.syncHours).not.toHaveBeenCalled();
     expect(service.syncMaterials).not.toHaveBeenCalled();
     expect(service.syncCaseMaterialSnapshots).not.toHaveBeenCalled();
   });
@@ -256,7 +257,7 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
   test('records a failed stage as an incomplete run instead of a false success', async () => {
     const service = new OrdrestyringSyncService();
     const stages = [
-      'syncCases', 'syncUsers', 'syncHours', 'syncDebtors',
+      'syncCases', 'syncUsers', 'syncDebtors',
       'syncOfferSnapshots', 'syncCaseFeatures', 'syncDashboardMetrics'
     ];
     stages.forEach(name => {
@@ -271,7 +272,7 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
       'error',
       'Synchronization incomplete',
       expect.any(Number),
-      5
+      4
     );
   });
 
@@ -281,13 +282,13 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
   ])('records a %s stage as incomplete instead of no_changes', async (_label, stageResult) => {
     const service = new OrdrestyringSyncService();
     const stages = [
-      'syncCases', 'syncUsers', 'syncHours', 'syncDebtors',
+      'syncCases', 'syncUsers', 'syncDebtors',
       'syncOfferSnapshots', 'syncCaseFeatures', 'syncDashboardMetrics'
     ];
     stages.forEach(name => {
       service[name] = jest.fn().mockResolvedValue({ hasChanges: false, changes: 0 });
     });
-    service.syncHours.mockResolvedValue(stageResult);
+    service.syncCases.mockResolvedValue(stageResult);
     service.logSyncActivity = jest.fn().mockResolvedValue();
 
     await service.performSync();
@@ -307,7 +308,7 @@ describe('OrdrestyringSyncService.getSyncStatus', () => {
   ])('keeps the authoritative run healthy when optional dashboard metrics %s', async (_label, dashboardResult, rejects) => {
     const service = new OrdrestyringSyncService();
     const coreStages = [
-      'syncCases', 'syncUsers', 'syncHours', 'syncDebtors',
+      'syncCases', 'syncUsers', 'syncDebtors',
       'syncOfferSnapshots', 'syncCaseFeatures'
     ];
     coreStages.forEach(name => {
diff --git a/backend/src/services/ordrestyringSyncService.js b/backend/src/services/ordrestyringSyncService.js
index 7fdfc19..17edb7e 100644
--- a/backend/src/services/ordrestyringSyncService.js
+++ b/backend/src/services/ordrestyringSyncService.js
@@ -126,11 +126,11 @@ class OrdrestyringSyncService {
       let recordsProcessed = 0;
       let syncIncomplete = false;
 
-      // Check and sync different data types
+      // The legacy REST /hours endpoint is documented as unavailable and is not an active writer.
+      // Historical hours remain read-only until a dedicated GraphQL mirror is implemented.
       const syncResults = await Promise.allSettled([
         this.syncCases(),
         this.syncUsers(),
-        this.syncHours(),
         this.syncDebtors(),
         this.syncOfferSnapshots(),
         this.syncCaseFeatures(),
@@ -139,7 +139,7 @@ class OrdrestyringSyncService {
 
       // Process results
       syncResults.forEach((result, index) => {
-        const dataType = ['cases', 'users', 'hours', 'debtors', 'offer_snapshots', 'case_features', 'dashboard_metrics'][index];
+        const dataType = ['cases', 'users', 'debtors', 'offer_snapshots', 'case_features', 'dashboard_metrics'][index];
         const isAuthoritativeStage = dataType !== 'dashboard_metrics';
         if (result.status === 'fulfilled') {
           const stageChanges = Number(result.value?.changes);