diff --git a/app/Repositories/Metric/PgSqlRepository.php b/app/Repositories/Metric/PgSqlRepository.php
index a40fc8b0..c6ebec61 100644
--- a/app/Repositories/Metric/PgSqlRepository.php
+++ b/app/Repositories/Metric/PgSqlRepository.php
@@ -12,7 +12,6 @@
 namespace CachetHQ\Cachet\Repositories\Metric;
 
 use CachetHQ\Cachet\Models\Metric;
-use DateInterval;
 use Illuminate\Support\Facades\DB;
 use Jenssegers\Date\Date;
 
diff --git a/app/Repositories/Metric/SqliteRepository.php b/app/Repositories/Metric/SqliteRepository.php
index 9e2d2bd1..c6a9a003 100644
--- a/app/Repositories/Metric/SqliteRepository.php
+++ b/app/Repositories/Metric/SqliteRepository.php
@@ -12,7 +12,6 @@
 namespace CachetHQ\Cachet\Repositories\Metric;
 
 use CachetHQ\Cachet\Models\Metric;
-use DateInterval;
 use Illuminate\Support\Facades\DB;
 use Jenssegers\Date\Date;