diff --git a/src/wp-admin/includes/theme.php b/src/wp-admin/includes/theme.php
index 91e92995ec..70abab68ad 100644
--- a/src/wp-admin/includes/theme.php
+++ b/src/wp-admin/includes/theme.php
@@ -114,6 +114,7 @@ function delete_theme( $stylesheet, $redirect = '' ) {
 		foreach ( $translations as $translation => $data ) {
 			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' );
 			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' );
+			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.l10n.php' );
 
 			$json_translation_files = glob( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '-*.json' );
 			if ( $json_translation_files ) {