diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e36836690..f59774558d 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ All notable changes to this project will be documented in this file based on the
 
 ### Improvements
 
+* Scroll releases previous ResultSet from memory before calling ES for next data batch [#1740](https://github.com/ruflin/Elastica/pull/1740)
+
 ### Deprecated
 
 ## [7.0.0-beta2](https://github.com/ruflin/Elastica/compare/7.0.0-beta1...7.0.0-beta2)
diff --git a/lib/Elastica/Scroll.php b/lib/Elastica/Scroll.php
index 1a374f6050..7eba6d3114 100644
--- a/lib/Elastica/Scroll.php
+++ b/lib/Elastica/Scroll.php
@@ -69,6 +69,7 @@ public function current(): ?ResultSet
      */
     public function next()
     {
+        $this->_currentResultSet = null;
         if ($this->currentPage < $this->totalPages) {
             $this->_saveOptions();
 
@@ -81,7 +82,6 @@ public function next()
         } else {
             // If there are no pages left, we do not need to query ES.
             $this->clear();
-            $this->_currentResultSet = null;
         }
     }
 
@@ -121,6 +121,7 @@ public function rewind(): void
 
         $this->_search->setOption(Search::OPTION_SCROLL, $this->expiryTime);
         $this->_search->setOption(Search::OPTION_SCROLL_ID, null);
+        $this->_currentResultSet = null;
         $this->_setScrollId($this->_search->search());
 
         $this->_revertOptions();