diff --git a/includes/class-wc-shipping.php b/includes/class-wc-shipping.php
index fda7db35bcf..b76f98e9632 100644
--- a/includes/class-wc-shipping.php
+++ b/includes/class-wc-shipping.php
@@ -137,7 +137,7 @@ class WC_Shipping {
 			$this->shipping_methods = $shipping_zone->get_shipping_methods( true );
 
 			// Debug output
-			if ( ! empty( $status_options['shipping_debug_mode'] ) ) {
+			if ( ! empty( $status_options['shipping_debug_mode'] ) && ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
 				wc_add_notice( 'Customer matched zone "' . $shipping_zone->get_zone_name() . '"' );
 			}
 		} else {