diff --git a/source/ILayer.hpp b/source/ILayer.hpp
deleted file mode 100644
index feb9863..0000000
--- a/source/ILayer.hpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-
-/* 
- * File:   ILayer.hpp
- * Author: jens
- *
- * Created on 25. Oktober 2019, 18:33
- */
-
-#ifndef ILAYER_HPP
-#define ILAYER_HPP
-
-#include <armadillo>
-
-class ILayer
-{
-public:
-	ILayer *upper;
-	ILayer *lower;
-
-	ILayer()
-	: upper(nullptr)	
-	, lower(nullptr)	
-	{}
-	
-	virtual ~ILayer()
-	{}
-	
-	virtual void up_pass(arma::mat const &v) = 0;
-	virtual void down_pass(arma::mat &dst, arma::mat const &src) = 0;
-};
-
-
-#endif /* ILAYER_HPP */
-
diff --git a/source/Layer.hpp b/source/Layer.hpp
index 30e7b0f..e5cbf23 100644
--- a/source/Layer.hpp
+++ b/source/Layer.hpp
@@ -19,7 +19,6 @@
 #include <armadillo>
 #include <jsoncpp/json/json.h>
 #include "Rbm.hpp"
-#include "ILayer.hpp"
 
 class Layer : public Rbm
 {