diff --git a/internal/repository/migrations/sqlite3/12_stats-covering-index.up.sql b/internal/repository/migrations/sqlite3/12_stats-covering-index.up.sql
index e1da64e1..2ddc8ffe 100644
--- a/internal/repository/migrations/sqlite3/12_stats-covering-index.up.sql
+++ b/internal/repository/migrations/sqlite3/12_stats-covering-index.up.sql
@@ -2,9 +2,10 @@
 -- Column order: cluster (equality), hpc_user (GROUP BY), start_time (range scan)
 -- Includes aggregated columns to avoid main table lookups entirely.
 
-DROP INDEX IF EXISTS jobs_cluster_starttime_user_stats;
-
 CREATE INDEX IF NOT EXISTS jobs_cluster_user_starttime_stats
   ON job (cluster, hpc_user, start_time, duration, job_state, num_nodes, num_hwthreads, num_acc);
 
+CREATE INDEX IF NOT EXISTS jobs_cluster_project_starttime_stats
+  ON job (cluster, project, start_time, duration, job_state, num_nodes, num_hwthreads, num_acc);
+
 PRAGMA optimize;
diff --git a/internal/repository/stats.go b/internal/repository/stats.go
index 150fe5ed..8311e797 100644
--- a/internal/repository/stats.go
+++ b/internal/repository/stats.go
@@ -238,7 +238,6 @@ func (r *JobRepository) JobsStatsGrouped(
 	groupBy *model.Aggregate,
 	reqFields map[string]bool,
 ) ([]*model.JobsStatistics, error) {
-	start := time.Now()
 	col := groupBy2column[*groupBy]
 	query := r.buildStatsQuery(filter, col, config.Keys.ShortRunningJobsDuration, reqFields)
 
@@ -325,7 +324,6 @@ func (r *JobRepository) JobsStatsGrouped(
 		}
 	}
 
-	cclog.Debugf("Timer JobsStatsGrouped %s", time.Since(start))
 	return stats, nil
 }