diff --git a/app/models/bank_statement.rb b/app/models/bank_statement.rb
index 8d4608f64..942ae3907 100644
--- a/app/models/bank_statement.rb
+++ b/app/models/bank_statement.rb
@@ -45,7 +45,7 @@ class BankStatement < ApplicationRecord
       buyer_name: row[83, 35].strip,
       document_no: row[118, 8].strip,
       description: row[126, 140].strip,
-      sum: BigDecimal.new(row[268, 12].strip) / BigDecimal.new('100.0'),
+      sum: BigDecimal(row[268, 12].strip) / BigDecimal('100.0'),
       reference_no: row[280, 35].strip
     }
   end
diff --git a/app/models/payment_orders/bank_link.rb b/app/models/payment_orders/bank_link.rb
index 1e4c2785a..ffc570510 100644
--- a/app/models/payment_orders/bank_link.rb
+++ b/app/models/payment_orders/bank_link.rb
@@ -89,7 +89,7 @@ module PaymentOrders
 
     def valid_amount?
       source = number_with_precision(
-        BigDecimal.new(response["VK_AMOUNT"]), precision: 2, separator: "."
+        BigDecimal(response["VK_AMOUNT"]), precision: 2, separator: "."
       )
       target = number_with_precision(
         invoice.total, precision: 2, separator: "."
diff --git a/app/models/payment_orders/every_pay.rb b/app/models/payment_orders/every_pay.rb
index a866ba972..560ee6e9e 100644
--- a/app/models/payment_orders/every_pay.rb
+++ b/app/models/payment_orders/every_pay.rb
@@ -76,7 +76,7 @@ module PaymentOrders
     end
 
     def valid_amount?
-      invoice.total == BigDecimal.new(response[:amount])
+      invoice.total == BigDecimal(response[:amount])
     end
 
     def valid_account?
diff --git a/test/models/deposit_test.rb b/test/models/deposit_test.rb
index d8fc2d02a..171316f65 100644
--- a/test/models/deposit_test.rb
+++ b/test/models/deposit_test.rb
@@ -36,22 +36,22 @@ class DepositTest < ActiveSupport::TestCase
 
   def test_amount_is_converted_from_string
     @deposit.amount = "12.00"
-    assert_equal(BigDecimal.new("12.00"), @deposit.amount)
+    assert_equal(BigDecimal("12.00"), @deposit.amount)
 
     @deposit.amount = "12,11"
-    assert_equal(BigDecimal.new("12.11"), @deposit.amount)
+    assert_equal(BigDecimal("12.11"), @deposit.amount)
   end
 
   def test_amount_is_converted_from_float
     @deposit.amount = 12.0044
-    assert_equal(BigDecimal.new("12.0044"), @deposit.amount)
+    assert_equal(BigDecimal("12.0044"), @deposit.amount)
 
     @deposit.amount = 12.0144
-    assert_equal(BigDecimal.new("12.0144"), @deposit.amount)
+    assert_equal(BigDecimal("12.0144"), @deposit.amount)
   end
 
   def test_amount_is_converted_from_nil
     @deposit.amount = nil
-    assert_equal(BigDecimal.new("0.00"), @deposit.amount)
+    assert_equal(BigDecimal("0.00"), @deposit.amount)
   end
 end