diff --git a/wp-admin/includes/noop.php b/wp-admin/includes/noop.php
index 6e2397ea2e..ba611fc9e1 100644
--- a/wp-admin/includes/noop.php
+++ b/wp-admin/includes/noop.php
@@ -95,9 +95,7 @@ function wp_guess_url() {}
 
 function get_file( $path ) {
 
-	if ( function_exists( 'realpath' ) ) {
-		$path = realpath( $path );
-	}
+	$path = realpath( $path );
 
 	if ( ! $path || ! @is_file( $path ) ) {
 		return '';
diff --git a/wp-includes/class-wp-editor.php b/wp-includes/class-wp-editor.php
index d980dca3c8..0aaeae6166 100644
--- a/wp-includes/class-wp-editor.php
+++ b/wp-includes/class-wp-editor.php
@@ -491,9 +491,7 @@ final class _WP_Editors {
 								$path = str_replace( content_url(), '', $plugurl );
 								$path = WP_CONTENT_DIR . $path . '/langs/';
 
-								if ( function_exists( 'realpath' ) ) {
-									$path = trailingslashit( realpath( $path ) );
-								}
+								$path = trailingslashit( realpath( $path ) );
 
 								if ( @is_file( $path . $mce_locale . '.js' ) ) {
 									$strings .= @file_get_contents( $path . $mce_locale . '.js' ) . "\n";
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 40de1beba0..c1b98412c9 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-46209';
+$wp_version = '5.3-alpha-46210';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.