diff --git a/src/config.ts b/src/config.ts
index abec77e..c1df10e 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -54,6 +54,3 @@ export const APP_VERSION = '1.0.0';
 
 /** Nombre de la BD SQLite local. */
 export const DB_NAME = 'avante.db';
-
-/** Ability que el backend exige al token (ver brief §2). */
-export const TOKEN_ABILITY = 'mobile-sync';
diff --git a/src/db/repositories.ts b/src/db/repositories.ts
index cc271b2..7000afb 100644
--- a/src/db/repositories.ts
+++ b/src/db/repositories.ts
@@ -44,8 +44,6 @@ export async function setMeta(key: string, value: string): Promise<void> {
 }
 
 export const getCursor = (projectId: number) => getMeta(CURSOR_PREFIX + projectId);
-export const setCursor = (projectId: number, serverTime: string) =>
-  setMeta(CURSOR_PREFIX + projectId, serverTime);
 
 export const getActiveProjectId = async (): Promise<number | null> => {
   const v = await getMeta(ACTIVE_PROJECT_KEY);
@@ -301,14 +299,6 @@ export async function saveProjectList(projects: Project[]): Promise<void> {
   });
 }
 
-export async function getPhases(projectId: number): Promise<Phase[]> {
-  const db = await getDb();
-  return db.getAllAsync<Phase>(
-    'SELECT * FROM phases WHERE project_id = ? ORDER BY "order", id',
-    projectId,
-  );
-}
-
 export async function getIssues(projectId: number): Promise<Issue[]> {
   const db = await getDb();
   return db.getAllAsync<Issue>(
@@ -322,14 +312,6 @@ export async function getIssue(id: number): Promise<Issue | null> {
   return db.getFirstAsync<Issue>('SELECT * FROM issues WHERE id = ?', id);
 }
 
-export async function getLayers(projectId: number): Promise<Layer[]> {
-  const db = await getDb();
-  return db.getAllAsync<Layer>(
-    'SELECT * FROM layers WHERE project_id = ? ORDER BY name',
-    projectId,
-  );
-}
-
 /** Features de un proyecto. `geometry` se devuelve como objeto ya parseado. */
 export async function getFeatures(projectId: number): Promise<Feature[]> {
   const db = await getDb();
@@ -413,17 +395,6 @@ export async function getFeatureTypes(): Promise<FeatureType[]> {
   return db.getAllAsync<FeatureType>('SELECT * FROM feature_types ORDER BY name');
 }
 
-export async function getTemplate(id: number): Promise<Template | null> {
-  const db = await getDb();
-  const row = await db.getFirstAsync<Template & { fields: string | null }>(
-    'SELECT * FROM templates WHERE id = ?',
-    id,
-  );
-  return row
-    ? { ...row, fields: row.fields ? (JSON.parse(row.fields) as unknown[]) : [] }
-    : null;
-}
-
 /** Media YA sincronizada (con url) para un padre. */
 export async function getMediaFor(
   parentEntity: string,
@@ -437,11 +408,6 @@ export async function getMediaFor(
   );
 }
 
-export async function countRows(table: string): Promise<number> {
-  const db = await getDb();
-  const row = await db.getFirstAsync<{ n: number }>(`SELECT COUNT(*) AS n FROM ${table}`);
-  return row?.n ?? 0;
-}
 
 /** Aplica el valor del servidor (recibido en un conflicto) a la fila local. */
 export async function applyServerValue(
diff --git a/src/sync/engine.ts b/src/sync/engine.ts
index 9fc0225..c86c737 100644
--- a/src/sync/engine.ts
+++ b/src/sync/engine.ts
@@ -30,6 +30,7 @@ import {
   markMediaError,
   markMediaSent,
   PendingOp,
+  purgeSentOperations,
   updateOutboxData,
 } from '../db/outbox';
 
@@ -232,5 +233,9 @@ export async function runSync(projectId: number): Promise<SyncReport> {
   await pushMedia(report);
   await pull(projectId, report);
 
+  // Housekeeping: descarta del outbox las operaciones ya confirmadas para que
+  // la tabla no crezca sin límite (los conflictos/errores se conservan).
+  await purgeSentOperations();
+
   return report;
 }