diff --git a/lib/registration.rb b/lib/registration.rb
index cd2306540e3287ee39705a4df5a706e0208b9f73..8d0e4b94cf5c89047dba5afdb21134b3931d6caf 100644
--- a/lib/registration.rb
+++ b/lib/registration.rb
@@ -259,10 +259,16 @@ class Registration
 			@kinds ||= {}
 		end
 
-		def self.for(iq, customer, tel, finish: Finish, maybe_bill: MaybeBill)
+		def self.for(
+			iq, customer, tel,
+			finish: Finish, maybe_bill: MaybeBill,
+			price: CONFIG[:activation_amount] + tel.price
+		)
 			kinds.fetch(iq.form.field("activation_method")&.value&.to_s&.to_sym) {
 				raise "Invalid activation method"
-			}.call(customer, tel, finish: finish, maybe_bill: maybe_bill)
+			}.call(
+				customer, tel, finish: finish, maybe_bill: maybe_bill, price: price
+			)
 		end
 
 		class CryptoPaymentMethod
@@ -278,11 +284,14 @@ class Registration
 				raise NotImplementedError, "Subclass must implement"
 			end
 
-			def initialize(customer, tel, maybe_bill: MaybeBill, **)
+			def initialize(
+				customer, tel,
+				price: CONFIG[:activation_amount] + tel.price, **
+			)
 				@customer = customer
 				@customer_id = customer.customer_id
 				@tel = tel
-				@maybe_bill = maybe_bill
+				@price = price
 			end
 
 			def save
@@ -294,7 +303,7 @@ class Registration
 			def form(rate, addr)
 				FormTemplate.render(
 					reg_form_name,
-					amount: @maybe_bill.price(@tel) / rate,
+					amount: @price / rate,
 					addr: addr
 				)
 			end
@@ -385,12 +394,6 @@ class Registration
 					yield customer
 				end
 			end
-
-			# @return [Float] The price of the number + activation fee
-			# @param [TelSelection::ChooseTel::Tn] tel The phone number to charge
-			def self.price(tel)
-				CONFIG[:activation_amount] + tel.price
-			end
 		end
 
 		class JustCharge
@@ -399,21 +402,21 @@ class Registration
 			end
 
 			def call; end
-
-			def self.price(tel)
-				tel.price
-			end
 		end
 
 		class CreditCard
 			Payment.kinds[:credit_card] = method(:new)
 
-			def initialize(customer, tel, finish: Finish, maybe_bill: MaybeBill)
+			def initialize(
+				customer, tel,
+				finish: Finish, maybe_bill: MaybeBill,
+				price: CONFIG[:activation_amount] + tel.price
+			)
 				@customer = customer
 				@tel = tel
 				@finish = finish
 				@maybe_bill = maybe_bill.new(customer, tel, finish: finish)
-				@price = maybe_bill.price(tel)
+				@price = price
 			end
 
 			def oob(reply)
@@ -519,17 +522,20 @@ class Registration
 		class Mail
 			Payment.kinds[:mail] = method(:new)
 
-			def initialize(customer, tel, maybe_bill: MaybeBill, **)
+			def initialize(
+				customer, tel,
+				price: CONFIG[:activation_amount] + tel.price, **
+			)
 				@customer = customer
 				@tel = tel
-				@maybe_bill = maybe_bill
+				@price = price
 			end
 
 			def form
 				FormTemplate.render(
 					"registration/mail",
 					currency: @customer.currency,
-					price: @maybe_bill.price(@tel),
+					price: @price,
 					**onboarding_extras
 				)
 			end
@@ -613,7 +619,8 @@ class Registration
 			}.then { |iq|
 				Payment.for(
 					iq, @customer, @tel,
-					maybe_bill: ::Registration::Payment::JustCharge
+					maybe_bill: ::Registration::Payment::JustCharge,
+					price: @tel.price
 				)
 			}.then(&:write)
 		end