diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php
index cdc2341c04..3f7aaf1a97 100644
--- a/src/wp-includes/post-template.php
+++ b/src/wp-includes/post-template.php
@@ -1972,7 +1972,7 @@ function wp_list_post_revisions( $post_id = 0, $type = 'all' ) {
  * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global $post.
  * @return WP_Post|null Parent post object, or null if there isn't one.
  */
-function get_parent_post( $post = null ) {
+function get_post_parent( $post = null ) {
 	$wp_post = get_post( $post );
 	return ! empty( $wp_post->post_parent ) ? get_post( $wp_post->post_parent ) : null;
 }
@@ -1985,6 +1985,6 @@ function get_parent_post( $post = null ) {
  * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global $post.
  * @return bool Whether the post has a parent post.
  */
-function has_parent_post( $post = null ) {
-	return (bool) get_parent_post( $post );
+function has_post_parent( $post = null ) {
+	return (bool) get_post_parent( $post );
 }
diff --git a/tests/phpunit/tests/post/template.php b/tests/phpunit/tests/post/template.php
index a9d3fc1704..f725121bbc 100644
--- a/tests/phpunit/tests/post/template.php
+++ b/tests/phpunit/tests/post/template.php
@@ -467,7 +467,7 @@ NO;
 		$child_id  = self::factory()->post->create( $post );
 
 		// Test if child get_parent_post() post returns Null by default.
-		$parent = get_parent_post( $child_id );
+		$parent = get_post_parent( $child_id );
 		$this->assertNull( $parent );
 
 		// Update child post with a parent.
@@ -479,7 +479,7 @@ NO;
 		);
 
 		// Test if child get_parent_post() post returns the parent object.
-		$parent = get_parent_post( $child_id );
+		$parent = get_post_parent( $child_id );
 		$this->assertNotNull( $parent );
 		$this->assertSame( $parent_id, $parent->ID );
 	}
@@ -498,7 +498,7 @@ NO;
 		$child_id  = self::factory()->post->create( $post );
 
 		// Test if child has_parent_post() post returns False by default.
-		$parent = has_parent_post( $child_id );
+		$parent = has_post_parent( $child_id );
 		$this->assertFalse( $parent );
 
 		// Update child post with a parent.
@@ -510,7 +510,7 @@ NO;
 		);
 
 		// Test if child has_parent_post() returns True.
-		$parent = has_parent_post( $child_id );
+		$parent = has_post_parent( $child_id );
 		$this->assertTrue( $parent );
 	}
 }