diff --git a/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java b/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
index 4168b587..bf9fe263 100644
--- a/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
+++ b/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
@@ -66,10 +66,10 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     @Override
     public void visit(ParameterList formalParameters) {
-        Iterator<FormalParameter> genericIterator = formalParameters.getFormalparalist().iterator();
-        if(genericIterator.hasNext()){
-            while(genericIterator.hasNext()){
-                genericIterator.next().accept(this);
+        Iterator<FormalParameter> it = formalParameters.getFormalparalist().iterator();
+        if(it.hasNext()){
+            while(it.hasNext()){
+                it.next().accept(this);
             }
         }
     }
diff --git a/src/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java b/src/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java
index ad591ebe..9e5ba545 100644
--- a/src/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java
+++ b/src/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java
@@ -59,13 +59,11 @@ class TypeInsertPlacerClass extends AbstractASTWalker{
     }
 
     @Override
-    public void visit(ParameterList params) {
-        for(FormalParameter param : params){
+    public void visit(FormalParameter param) {
             if(param.getType() instanceof TypePlaceholder)
                 inserts.add(TypeInsertFactory.createInsertPoints(
                         param.getType(), param.getType().getOffset(), cl, method, results));
-        }
-        super.visit(params);
+        super.visit(param);
     }
 
     @Override