diff --git a/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/ObservationRepositoryModelLoader.java b/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/ObservationRepositoryModelLoader.java
index 8eeb911d2a023b07542a01c8666d1d96b3d3d209..c0c567598f25c4dcecd09e9be78d1d0f984090f9 100644
--- a/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/ObservationRepositoryModelLoader.java
+++ b/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/ObservationRepositoryModelLoader.java
@@ -24,7 +24,7 @@ public class ObservationRepositoryModelLoader extends AbstractEcoreModelLoader {
         return instance;
     }
     
-    public ObservationRepositoryModelLoader() {
+    private ObservationRepositoryModelLoader() {
         initializeResourceSet(new ResourceSetImpl());
     }
     
diff --git a/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/PerformanceDataRepositoryModelLoader.java b/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/PerformanceDataRepositoryModelLoader.java
index deae112eb6eb843a2c1a4d62e857c775fd2b768a..ca25ae9f9273f377871fc68555a890375acbd729 100644
--- a/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/PerformanceDataRepositoryModelLoader.java
+++ b/edu.kit.ipd.descartes.adaptation/src/edu/kit/ipd/descartes/adaptation/model/perfdatarepo/PerformanceDataRepositoryModelLoader.java
@@ -24,7 +24,8 @@ public class PerformanceDataRepositoryModelLoader extends AbstractEcoreModelLoad
         return instance;
     }
 
-    public PerformanceDataRepositoryModelLoader() {
+
+    private PerformanceDataRepositoryModelLoader() {
         initializeResourceSet(new ResourceSetImpl());
     }
 
@@ -46,4 +47,5 @@ public class PerformanceDataRepositoryModelLoader extends AbstractEcoreModelLoad
     public PerformanceDataRepository load(URI uri) {
         return (PerformanceDataRepository) super.load(uri);
     }
+
 }