diff --git a/src/Hashids.php b/src/Hashids.php
index 8939ae7..31bbb49 100644
--- a/src/Hashids.php
+++ b/src/Hashids.php
@@ -401,11 +401,7 @@ class Hashids implements HashidsInterface
             return new Gmp();
         }
 
-        if (\extension_loaded('bcmath')) {
-            return new Bc();
-        }
-
-        throw new RuntimeException('Missing BC Math or GMP extension.');
+        return new Bc();
     }
 
     /**