diff --git a/src/de/dhbwstuttgart/syntaxtree/statement/Block.java b/src/de/dhbwstuttgart/syntaxtree/statement/Block.java
index 639a98c2..556b3e3d 100755
--- a/src/de/dhbwstuttgart/syntaxtree/statement/Block.java
+++ b/src/de/dhbwstuttgart/syntaxtree/statement/Block.java
@@ -19,7 +19,6 @@ import de.dhbwstuttgart.syntaxtree.type.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.type.Type;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.Void;
-import de.dhbwstuttgart.typeinference.ConstraintType;
 import de.dhbwstuttgart.typeinference.ConstraintsSet;
 import de.dhbwstuttgart.typeinference.JavaCodeResult;
 import de.dhbwstuttgart.typeinference.ResultSet;
@@ -143,7 +142,6 @@ public class Block extends Statement
         for(int i=0;i<statements.size();i++){
             statements.elementAt(i).wandleRefTypeAttributes2GenericAttributes(paralist,genericMethodParameters);            
         }
-        
     }
     // ino.end
 
diff --git a/src/de/dhbwstuttgart/typeinference/ConstraintType.java b/src/de/dhbwstuttgart/typeinference/ConstraintType.java
deleted file mode 100644
index aa26c650..00000000
--- a/src/de/dhbwstuttgart/typeinference/ConstraintType.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package de.dhbwstuttgart.typeinference;
-
-import de.dhbwstuttgart.syntaxtree.type.*;
-import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
-
-public class ConstraintType{
-
-	private Type t;
-	
-	public ConstraintType(TypePlaceholder t){
-		this.t = t;
-	}
-	public ConstraintType(GenericTypeVar t){
-		this.t = t;
-	}
-	public ConstraintType(RefType t){
-		this.t = t;
-	}
-	public ConstraintType(WildcardType t){
-		this.t = t;
-	}
-	public Type getType() {
-		return t;
-	}
-}