diff --git a/plugins/woocommerce/changelog/default-constants-unused-var b/plugins/woocommerce/changelog/default-constants-unused-var
new file mode 100644
index 00000000000..c1a447ff16c
--- /dev/null
+++ b/plugins/woocommerce/changelog/default-constants-unused-var
@@ -0,0 +1,4 @@
+Significance: patch
+Type: tweak
+
+Remove an unused variable from `WooCommerce::define_constants()` missing during an earlier piece of work.