diff --git a/src/main/java/de/neemann/digital/builder/BuilderInterface.java b/src/main/java/de/neemann/digital/builder/BuilderInterface.java
index c8b6a0960..9290f7efe 100644
--- a/src/main/java/de/neemann/digital/builder/BuilderInterface.java
+++ b/src/main/java/de/neemann/digital/builder/BuilderInterface.java
@@ -1,7 +1,6 @@
 package de.neemann.digital.builder;
 
 import de.neemann.digital.analyse.expression.Expression;
-import de.neemann.digital.builder.Gal16v8.CuplExporter;
 
 /**
  * Interface used to create a circuit
diff --git a/src/main/java/de/neemann/digital/builder/Gal16v8/CuplExporter.java b/src/main/java/de/neemann/digital/builder/Gal16v8/CuplExporter.java
index 6e8c73d76..53853c628 100644
--- a/src/main/java/de/neemann/digital/builder/Gal16v8/CuplExporter.java
+++ b/src/main/java/de/neemann/digital/builder/Gal16v8/CuplExporter.java
@@ -115,6 +115,11 @@ public class CuplExporter implements ExpressionExporter<CuplExporter> {
         return pinMap;
     }
 
+    @Override
+    public void writeTo(OutputStream out) throws FuseMapFillerException, IOException, PinMapException {
+        writeTo(new OutputStreamWriter(out, "ISO-8859-1"));
+    }
+
     /**
      * Writes code to given writer
      *
@@ -198,11 +203,6 @@ public class CuplExporter implements ExpressionExporter<CuplExporter> {
         }
     }
 
-    @Override
-    public void writeTo(OutputStream out) throws FuseMapFillerException, IOException, PinMapException {
-        writeTo(new OutputStreamWriter(out, "ISO-8859-1"));
-    }
-
     /**
      * Is called if header is written
      *