diff --git a/src/helpers.php b/src/helpers.php
index 51ca81d..9fa6f61 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -6,26 +6,32 @@ use ArchTech\Money\Currency;
 use ArchTech\Money\CurrencyManager;
 use ArchTech\Money\Money;
 
-/** Create a Money instance. */
-function money(int $amount, Currency|string $currency = null): Money
-{
-    return new Money($amount, $currency ?? currencies()->getDefault());
-}
-
-/** Fetch a currency. If no argument is provided, the current currency will be returned. */
-function currency(Currency|string $currency = null): Currency
-{
-    if ($currency) {
-        return $currency instanceof Currency
-            ? $currency
-            : currencies()->get($currency);
+if (! function_exists('money')) {
+    /** Create a Money instance. */
+    function money(int $amount, Currency|string $currency = null): Money
+    {
+        return new Money($amount, $currency ?? currencies()->getDefault());
     }
-
-    return currencies()->getCurrent();
 }
 
-/** Get the CurrencyManager instance. */
-function currencies(): CurrencyManager
-{
-    return app(CurrencyManager::class);
+if (! function_exists('currency')) {
+    /** Fetch a currency. If no argument is provided, the current currency will be returned. */
+    function currency(Currency|string $currency = null): Currency
+    {
+        if ($currency) {
+            return $currency instanceof Currency
+                ? $currency
+                : currencies()->get($currency);
+        }
+
+        return currencies()->getCurrent();
+    }
+}
+
+if (! function_exists('currencies')) {
+    /** Get the CurrencyManager instance. */
+    function currencies(): CurrencyManager
+    {
+        return app(CurrencyManager::class);
+    }
 }