diff --git a/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/BayesianNetwork.java b/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/BayesianNetwork.java
index 175a7b8..19a1e94 100644
--- a/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/BayesianNetwork.java
+++ b/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/BayesianNetwork.java
@@ -5,6 +5,7 @@
 
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -162,7 +163,7 @@ public Double probability(List<InputValue<I>> inputs) {
     }
 
     @Override
-    public void init(ISeedProvider seedProvider) {
+    public void init(Optional<ISeedProvider> seedProvider) {
         if (initialized) {
             return;
         }
diff --git a/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/DynamicBayesianNetwork.java b/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/DynamicBayesianNetwork.java
index 6405f5d..29844fc 100644
--- a/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/DynamicBayesianNetwork.java
+++ b/bundles/org.palladiosimulator.envdyn.api/src/org/palladiosimulator/envdyn/api/entity/bn/DynamicBayesianNetwork.java
@@ -6,6 +6,7 @@
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -214,7 +215,7 @@ public Double probability(Trajectory<I> value) {
     }
 
     @Override
-    public void init(ISeedProvider seedProvider) {
+    public void init(Optional<ISeedProvider> seedProvider) {
         if (initialized) {
             throw new RuntimeException("already initialized");
         }
diff --git a/tests/org.palladiosimulator.envdyn.api.tests/src/org/palladiosimulator/envdyn/api/tests/bn/BayesianModelTest.java b/tests/org.palladiosimulator.envdyn.api.tests/src/org/palladiosimulator/envdyn/api/tests/bn/BayesianModelTest.java
index 02105dd..e33f779 100644
--- a/tests/org.palladiosimulator.envdyn.api.tests/src/org/palladiosimulator/envdyn/api/tests/bn/BayesianModelTest.java
+++ b/tests/org.palladiosimulator.envdyn.api.tests/src/org/palladiosimulator/envdyn/api/tests/bn/BayesianModelTest.java
@@ -1,5 +1,7 @@
 package org.palladiosimulator.envdyn.api.tests.bn;
 
+import java.util.Optional;
+
 import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
 import org.junit.BeforeClass;
@@ -15,7 +17,6 @@
 import tools.mdsd.probdist.api.factory.ProbabilityDistributionFactory;
 import tools.mdsd.probdist.api.parser.DefaultParameterParser;
 import tools.mdsd.probdist.api.parser.ParameterParser;
-import tools.mdsd.probdist.api.random.NoSeedProvider;
 import tools.mdsd.probdist.distributiontype.ProbabilityDistributionRepository;
 
 public class BayesianModelTest {
@@ -41,7 +42,7 @@ public static void setUpModels() {
         IProbabilityDistributionRepositoryLookup probDistRepoLookup = new ProbabilityDistributionRepositoryLookup(
                 distTypes);
 
-        defaultProbabilityDistributionFactory = new ProbabilityDistributionFactory(new NoSeedProvider());
+        defaultProbabilityDistributionFactory = new ProbabilityDistributionFactory(Optional.empty());
         IProbabilityDistributionRegistry<CategoricalValue> probabilityDistributionRegistry = defaultProbabilityDistributionFactory;
         ParameterParser parameterParser = new DefaultParameterParser();
         probabilityDistributionRegistry