diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/type/TypePlaceholder.java b/src/main/java/de/dhbwstuttgart/syntaxtree/type/TypePlaceholder.java
index 533ea9a0..73cd2df7 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/type/TypePlaceholder.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/type/TypePlaceholder.java
@@ -19,6 +19,10 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
 {
 	private final String name;
 	
+	/**
+	 * wird bisher nicht genutzt
+	 * setVariance muss ggf. auskommentiert werden.
+	 */
 	int variance = 0;
 
 
@@ -70,9 +74,11 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
         return name;
     }
 
+    /* wird bisher nicht genutzt
     public void setVariance(int variance) {
     	this.variance= variance;
     }
+    */
     
     public int getVariance() {
     	return this.variance;
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
index aca5912e..af1ba5ed 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -573,17 +573,10 @@ public class TYPEStmt implements StatementVisitor{
         */
         
         RefTypeOrTPHOrWildcardOrGeneric retType = assumption.getReceiverType(resolver);
-        RefTypeOrTPHOrWildcardOrGeneric zwSp;
-        methodConstraint.add(new Pair(zwSp = forMethod.receiver.getType(), retType,
+        methodConstraint.add(new Pair(forMethod.receiver.getType(), retType,
                     PairOperator.SMALLERDOT));
-        if (zwSp instanceof TypePlaceholder) {
-        	((TypePlaceholder) zwSp).setVariance(1);
-        }
-        methodConstraint.add(new Pair(assumption.getReturnType(resolver), zwSp = forMethod.getType(),
+        methodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(),
                 PairOperator.EQUALSDOT));
-        if (zwSp instanceof TypePlaceholder) {
-        	((TypePlaceholder) zwSp).setVariance(-1);
-        }
         methodConstraint.addAll(generateParameterConstraints(forMethod, assumption, info, resolver));
         return methodConstraint;
     }
@@ -596,9 +589,6 @@ public class TYPEStmt implements StatementVisitor{
             RefTypeOrTPHOrWildcardOrGeneric argType = foMethod.arglist.getArguments().get(i).getType();
             RefTypeOrTPHOrWildcardOrGeneric assType = assumption.getArgTypes(resolver).get(i);
             ret.add(new Pair(argType, assType, PairOperator.SMALLERDOT));
-            if (argType instanceof TypePlaceholder) {
-            	((TypePlaceholder) argType).setVariance(1);
-            }
         }
         return ret;
     }