diff --git a/Civi/Payment/PropertyBag.php b/Civi/Payment/PropertyBag.php
index 73179edb78ce..65b789885e1f 100644
--- a/Civi/Payment/PropertyBag.php
+++ b/Civi/Payment/PropertyBag.php
@@ -215,19 +215,6 @@ public function offsetUnset ($offset) {
     unset($this->props['default'][$prop]);
   }
 
-  /**
-   * Save any legacy warnings to log.
-   *
-   * Called as a shutdown function.
-   */
-  public static function writeLegacyWarnings() {
-    if (!empty(static::$legacyWarnings)) {
-      $message = "Civi\\Payment\\PropertyBag related deprecation warnings:\n"
-        . implode("\n", array_keys(static::$legacyWarnings));
-      Civi::log()->warning($message, ['civi.tag' => 'deprecated']);
-    }
-  }
-
   /**
    * @param string $prop
    * @param bool $silent if TRUE return NULL instead of throwing an exception. This is because offsetExists should be safe and not throw exceptions.