diff --git a/core/modules/migrate/src/Source.php b/core/modules/migrate/src/Source.php
index d509c61..202dc32 100644
--- a/core/modules/migrate/src/Source.php
+++ b/core/modules/migrate/src/Source.php
@@ -361,18 +361,14 @@ public function next() {
         // If the source has a property for tracking changes (like Drupal has
         // node.changed) then check whether it's higher than the highest
         // value of those imported so far.
-        ($this->usesHighWater() && $row->getSourceProperty($this->highWaterProperty['name']) > $this->originalHighWater) || // now let's try to see whether the source has changed, either via highwater which is like node.changed
+        ($this->highWaterProperty && $row->getSourceProperty($this->highWaterProperty['name']) > $this->originalHighWater) || // now let's try to see whether the source has changed, either via highwater which is like node.changed
         // If no such property exists then try by checking the hash of the row.
-        (!$this->usesHighwater() && $this->trackChanges && $row->changed()) ) {
+        (!$this->highWaterProperty && $this->trackChanges && $row->changed()) ) {
           $this->currentRow = $row->freezeSource();
       }
     }
   }
 
-  protected function usesHighwater() {
-    return $this->highWaterProperty;
-  }
-
   /**
    * Add additional data to the row.
    *