diff --git a/wp-admin/includes/class-wp-importer.php b/wp-admin/includes/class-wp-importer.php
index a39fc60cd1..aaed2e9d81 100644
--- a/wp-admin/includes/class-wp-importer.php
+++ b/wp-admin/includes/class-wp-importer.php
@@ -42,9 +42,6 @@ class WP_Importer {
 			}
 		} while ( count( $results ) == $limit );
 
-		// Unset to save memory.
-		unset( $results, $r );
-
 		return $hashtable;
 	}
 
@@ -72,9 +69,6 @@ class WP_Importer {
 			$count = (int) $result[0]->cnt;
 		}
 
-		// Unset to save memory.
-		unset( $results );
-
 		return $count;
 	}
 
@@ -117,9 +111,6 @@ class WP_Importer {
 			}
 		} while ( count( $results ) == $limit );
 
-		// Unset to save memory.
-		unset( $results, $r );
-
 		return $hashtable;
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6e41359a13..801232fa51 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-alpha-50689';
+$wp_version = '5.8-alpha-50692';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.