diff --git a/src/CartItem.php b/src/CartItem.php
index 3804e81..2b2ca7f 100644
--- a/src/CartItem.php
+++ b/src/CartItem.php
@@ -114,162 +114,6 @@ class CartItem implements Arrayable, Jsonable
         $this->rowId = $this->generateRowId($id, $options);
     }
 
-    /**
-     * Returns the formatted weight.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function weight(int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->weight, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted price without TAX.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function price(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->price, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted price with discount applied.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function priceTarget(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->priceTarget, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted price with TAX.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function priceTax(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->priceTax, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted subtotal.
-     * Subtotal is price for whole CartItem without TAX.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function subtotal(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->subtotal, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted total.
-     * Total is price for whole CartItem with TAX.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function total(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->total, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted tax.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function tax(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->tax, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted tax.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function taxTotal(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->taxTotal, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted discount.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function discount(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->discount, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted total discount for this cart item.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function discountTotal(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->discountTotal, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
-    /**
-     * Returns the formatted total price for this cart item.
-     *
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    public function priceTotal(?int $decimals = null, ?string $decimalPoint = null, ?string $thousandSeperator = null)
-    {
-        return $this->numberFormat($this->priceTotal, $decimals, $decimalPoint, $thousandSeperator);
-    }
-
     /**
      * Set the quantity for this cart item.
      *
@@ -493,33 +337,6 @@ class CartItem implements Arrayable, Jsonable
     {
         ksort($options);
 
-        return md5($id.serialize($options));
-    }
-
-    /**
-     * Get the formatted number.
-     *
-     * @param float  $value
-     * @param int    $decimals
-     * @param string $decimalPoint
-     * @param string $thousandSeperator
-     *
-     * @return string
-     */
-    private function numberFormat($value, ?int $decimals, ?string $decimalPoint, ?string $thousandSeperator) : string
-    {
-        if (is_null($decimals)) {
-            $decimals = config('cart.format.decimals', 2);
-        }
-
-        if (is_null($decimalPoint)) {
-            $decimalPoint = config('cart.format.decimal_point', '.');
-        }
-
-        if (is_null($thousandSeperator)) {
-            $thousandSeperator = config('cart.format.thousand_separator', ',');
-        }
-
-        return number_format($value, $decimals, $decimalPoint, $thousandSeperator);
+        return md5($id . serialize($options));
     }
 }