diff --git a/src/main/scala/lc/background/taskThread.scala b/src/main/scala/lc/background/taskThread.scala
index 6e9dbd8..8278469 100644
--- a/src/main/scala/lc/background/taskThread.scala
+++ b/src/main/scala/lc/background/taskThread.scala
@@ -4,6 +4,7 @@ import lc.database.Statements
 import java.util.concurrent.{ScheduledThreadPoolExecutor, TimeUnit}
 import lc.core.{Captcha, Config}
 import lc.core.{Parameters, Size}
+import lc.misc.HelperFunctions
 
 class BackgroundTask(throttle: Int, timeLimit: Int) {
 
@@ -39,7 +40,7 @@ class BackgroundTask(throttle: Int, timeLimit: Int) {
   }
 
   private def pickRandom[T](list: List[T]): T = {
-    list(Config.getNextRandomInt(list.size))
+    list(HelperFunctions.randomNumber(list.size))
   }
 
   def beginThread(delay: Int): Unit = {
diff --git a/src/main/scala/lc/core/captchaProviders.scala b/src/main/scala/lc/core/captchaProviders.scala
index 453aafc..f778037 100644
--- a/src/main/scala/lc/core/captchaProviders.scala
+++ b/src/main/scala/lc/core/captchaProviders.scala
@@ -4,6 +4,7 @@ import lc.captchas._
 import lc.captchas.interfaces.ChallengeProvider
 import lc.captchas.interfaces.Challenge
 import scala.collection.mutable.Map
+import lc.misc.HelperFunctions
 
 object CaptchaProviders {
   private val providers = Map(
@@ -51,7 +52,7 @@ object CaptchaProviders {
   def getProvider(param: Parameters): Option[ChallengeProvider] = {
     val providerConfig = filterProviderByParam(param).toList
     if (providerConfig.length > 0) {
-      val randomIndex = Config.getNextRandomInt(providerConfig.length)
+      val randomIndex = HelperFunctions.randomNumber(providerConfig.length)
       val providerIndex = providerConfig(randomIndex)._1
       val selectedProvider = providers(providerIndex)
       selectedProvider.configure(providerConfig(randomIndex)._2)