diff --git a/app/Import/Routine/BunqRoutine.php b/app/Import/Routine/BunqRoutine.php
index 1d705eba93..6117391639 100644
--- a/app/Import/Routine/BunqRoutine.php
+++ b/app/Import/Routine/BunqRoutine.php
@@ -929,10 +929,8 @@ class BunqRoutine implements RoutineInterface
 
     /**
      * @param ImportJob $job
-     *
-     * @return mixed
      */
-    public function setJob(ImportJob $job)
+    public function setJob(ImportJob $job): void
     {
         // TODO: Implement setJob() method.
         throw new NotImplementedException;
diff --git a/app/Import/Routine/SpectreRoutine.php b/app/Import/Routine/SpectreRoutine.php
index 16eeba2c65..85a3c8f54c 100644
--- a/app/Import/Routine/SpectreRoutine.php
+++ b/app/Import/Routine/SpectreRoutine.php
@@ -608,10 +608,8 @@ class SpectreRoutine implements RoutineInterface
 
     /**
      * @param ImportJob $job
-     *
-     * @return mixed
      */
-    public function setJob(ImportJob $job)
+    public function setJob(ImportJob $job): void
     {
         // TODO: Implement setJob() method.
         throw new NotImplementedException;