diff --git a/src/wp-admin/includes/class-wp-plugin-install-list-table.php b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
index 8746230484..6b78850479 100644
--- a/src/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -498,7 +498,6 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 			 */
 			$action_links = apply_filters( 'plugin_install_action_links', $action_links, $plugin );
 
-			$date_format = __( 'M j, Y @ H:i' );
 			$last_updated_timestamp = strtotime( $plugin['last_updated'] );
 		?>
 		<div class="plugin-card plugin-card-<?php echo sanitize_html_class( $plugin['slug'] ); ?>">