diff --git a/src/shogun/neuralnets/NeuralLinearLayer.cpp b/src/shogun/neuralnets/NeuralLinearLayer.cpp
index b1a3f280d99..ad310a96e08 100644
--- a/src/shogun/neuralnets/NeuralLinearLayer.cpp
+++ b/src/shogun/neuralnets/NeuralLinearLayer.cpp
@@ -20,13 +20,6 @@ CNeuralLinearLayer::CNeuralLinearLayer() : CNeuralLayer()
 {
 }
 
-CNeuralLinearLayer::CNeuralLinearLayer(const CNeuralLinearLayer& orig)
-: CNeuralLayer(orig)
-{
-
-}
-
-
 CNeuralLinearLayer::CNeuralLinearLayer(int32_t num_neurons): 
 CNeuralLayer(num_neurons)
 {	
diff --git a/src/shogun/neuralnets/NeuralLinearLayer.h b/src/shogun/neuralnets/NeuralLinearLayer.h
index 7337313c5a1..e04346cf026 100644
--- a/src/shogun/neuralnets/NeuralLinearLayer.h
+++ b/src/shogun/neuralnets/NeuralLinearLayer.h
@@ -26,9 +26,6 @@ class CNeuralLinearLayer : public CNeuralLayer
 	/** default constructor */
 	CNeuralLinearLayer();
 	
-	/** copy constructor */
-	CNeuralLinearLayer(const CNeuralLinearLayer &orig);
-	
 	/** Constuctor
 	 * 
 	 * @param num_neurons Number of neurons in this layer
diff --git a/src/shogun/neuralnets/NeuralLogisticLayer.cpp b/src/shogun/neuralnets/NeuralLogisticLayer.cpp
index 916cc30459e..83b85c98a5c 100644
--- a/src/shogun/neuralnets/NeuralLogisticLayer.cpp
+++ b/src/shogun/neuralnets/NeuralLogisticLayer.cpp
@@ -16,13 +16,6 @@ CNeuralLogisticLayer::CNeuralLogisticLayer() : CNeuralLinearLayer()
 {
 }
 
-CNeuralLogisticLayer::CNeuralLogisticLayer(const CNeuralLogisticLayer& orig)
-: CNeuralLinearLayer(orig)
-{
-
-}
-
-
 CNeuralLogisticLayer::CNeuralLogisticLayer(int32_t num_neurons): 
 CNeuralLinearLayer(num_neurons)
 {
diff --git a/src/shogun/neuralnets/NeuralLogisticLayer.h b/src/shogun/neuralnets/NeuralLogisticLayer.h
index c795e85520a..d2ee8847bda 100644
--- a/src/shogun/neuralnets/NeuralLogisticLayer.h
+++ b/src/shogun/neuralnets/NeuralLogisticLayer.h
@@ -25,9 +25,6 @@ class CNeuralLogisticLayer : public CNeuralLinearLayer
 	/** default constructor */
 	CNeuralLogisticLayer();
 	
-	/** copy constructor */
-	CNeuralLogisticLayer(const CNeuralLogisticLayer &orig);
-	
 	/** Constuctor
 	 * 
 	 * @param num_neurons Number of neurons in this layer