diff --git a/peptide-news-plugin/uninstall.php b/peptide-news-plugin/uninstall.php
new file mode 100644
index 0000000..1f36e5d
--- /dev/null
+++ b/peptide-news-plugin/uninstall.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Fired when the plugin is uninstalled.
+ *
+ * Drops custom tables and removes all options.
+ *
+ * @since 1.0.0
+ */
+
+if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
+    die;
+}
+
+global $wpdb;
+
+// Drop custom tables.
+$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}peptide_news_daily_stats" );
+$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}peptide_news_clicks" );
+$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}peptide_news_articles" );
+
+// Remove all options.
+$options = $wpdb->get_col(
+    "SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE 'peptide_news_%'"
+);
+
+foreach ( $options as $option ) {
+    delete_option( $option );
+}