diff --git a/cartridge/shop/utils.py b/cartridge/shop/utils.py
index ef139a794..73ced21af 100644
--- a/cartridge/shop/utils.py
+++ b/cartridge/shop/utils.py
@@ -59,6 +59,9 @@ def recalculate_cart(request):
         if discount_form.is_valid():
             discount_form.set_discount()
 
+    if not request.session.get("free_shipping"):
+        settings.clear_cache()
+        clear_session(request, "shipping_type", "shipping_total")
     handler = lambda s: import_dotted_path(s) if s else lambda *args: None
     billship_handler = handler(settings.SHOP_HANDLER_BILLING_SHIPPING)
     tax_handler = handler(settings.SHOP_HANDLER_TAX)