diff --git a/src/de/dhbwstuttgart/parser/JavaTXParser.java b/src/de/dhbwstuttgart/parser/JavaTXParser.java
index 8d320ecb..800a0537 100644
--- a/src/de/dhbwstuttgart/parser/JavaTXParser.java
+++ b/src/de/dhbwstuttgart/parser/JavaTXParser.java
@@ -13,8 +13,8 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class JavaTXParser {
-    public SourceFile parse(File sourceFile) throws IOException, ClassNotFoundException {
-        InputStream stream = new FileInputStream(sourceFile);
+    public SourceFile parse(InputStream source) throws IOException, ClassNotFoundException {
+        InputStream stream = source;//new FileInputStream(sourceFile);
         ANTLRInputStream input = new ANTLRInputStream(stream);
         Java8Lexer lexer = new Java8Lexer(input);
         CommonTokenStream tokens = new CommonTokenStream(lexer);
@@ -22,7 +22,7 @@ public class JavaTXParser {
         Java8Parser.CompilationUnitContext tree = parser.compilationUnit();
 
         SyntaxTreeGenerator generator = new SyntaxTreeGenerator(new JavaClassRegistry(generateJavaLangNames()));
-        return generator.convert(tree, sourceFile);
+        return generator.convert(tree);
     }
 
     private List<String> generateJavaLangNames() throws IOException, ClassNotFoundException {
@@ -36,4 +36,8 @@ public class JavaTXParser {
 
         return ret;
     }
+
+    public SourceFile parse(File file) throws IOException, ClassNotFoundException {
+        return this.parse(new FileInputStream(file));
+    }
 }
diff --git a/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java b/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java
index 758a1114..d61fcb80 100644
--- a/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java
+++ b/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java
@@ -170,7 +170,7 @@ public class SyntaxTreeGenerator{
     return ret;
   }
   
-  public SourceFile convert(Java8Parser.CompilationUnitContext ctx, File parsedFile) throws ClassNotFoundException{
+  public SourceFile convert(Java8Parser.CompilationUnitContext ctx) throws ClassNotFoundException{
     List<ClassOrInterface> classes = new ArrayList<>();
     this.getNames(ctx);
     this.setImports(ctx);
@@ -184,7 +184,7 @@ public class SyntaxTreeGenerator{
       }
       classes.add(newClass);
     }
-    return new SourceFile(parsedFile, this.pkgName, classes, this.imports);
+    return new SourceFile(this.pkgName, classes, this.imports);
   }
 
   public Method convert(Java8Parser.MethodDeclarationContext methodDeclarationContext, JavaClassName parentClass, GenericsRegistry generics) {
diff --git a/src/de/dhbwstuttgart/syntaxtree/SourceFile.java b/src/de/dhbwstuttgart/syntaxtree/SourceFile.java
index c18385ad..2278a00e 100755
--- a/src/de/dhbwstuttgart/syntaxtree/SourceFile.java
+++ b/src/de/dhbwstuttgart/syntaxtree/SourceFile.java
@@ -15,18 +15,16 @@ public class SourceFile extends SyntaxTreeNode{
 
   private final List<ClassOrInterface> KlassenVektor;
   private final List<JavaClassName> imports;
-  private final File file;
 
   /**
      * Die SourceFile repräsntiert eine zu einem Syntaxbaum eingelesene Java-Datei.
      * SourceFile stellt dabei den Wurzelknoten des Syntaxbaumes dar.
      */
-  public SourceFile(File file, String pkgName, List<ClassOrInterface> classDefinitions, List<JavaClassName> imports){
+  public SourceFile(String pkgName, List<ClassOrInterface> classDefinitions, List<JavaClassName> imports){
     super(new NullToken());
     this.KlassenVektor = classDefinitions;
     this.pkgName = pkgName;
     this.imports = imports;
-    this.file = file;
   }
   
   public String getPkgName(){
@@ -59,10 +57,6 @@ public class SourceFile extends SyntaxTreeNode{
     return KlassenVektor;
   }
 
-  public File getFile() {
-    return file;
-  }
-
   @Override
   public void accept(ASTVisitor visitor) {
     visitor.visit(this);
diff --git a/test/typeinference/JavaTXCompilerTest.java b/test/typeinference/JavaTXCompilerTest.java
index a698980b..c08efd9a 100644
--- a/test/typeinference/JavaTXCompilerTest.java
+++ b/test/typeinference/JavaTXCompilerTest.java
@@ -43,9 +43,9 @@ public class JavaTXCompilerTest extends JavaTXCompiler {
         //filesToTest.add(new File(rootDirectory+"MethodsEasy.jav"));
         //filesToTest.add(new File(rootDirectory+"Matrix.jav"));
         for(File f : filesToTest){
-            this.parse(f);
+            SourceFile sf = this.parse(f);
             System.out.println(ASTTypePrinter.print(this.sourceFiles.get(sourceFiles.size()-1)));
-            List<TypeInsert> result = this.getTypeInserts(f);
+            List<TypeInsert> result = TypeInsertFactory.createTypeInsertPoints(sf, this.typeInference());
             String content = readFile(f.getPath(), StandardCharsets.UTF_8);
             for(TypeInsert tip : result){
                 System.out.println(tip.insert(content));
@@ -54,16 +54,6 @@ public class JavaTXCompilerTest extends JavaTXCompiler {
 
     }
 
-    public List<TypeInsert> getTypeInserts(File forFile){
-        ResultSet result = typeInference();
-        for(SourceFile sf : sourceFiles){
-            if(sf.getFile().equals(forFile)){
-                return TypeInsertFactory.createTypeInsertPoints(sf, result);
-            }
-        }
-        throw new DebugException("Die Datei "+forFile+" wurde nicht geparst");
-    }
-
     static String readFile(String path, Charset encoding)
             throws IOException
     {