diff --git a/mlpp/knn/knn.cpp b/mlpp/knn/knn.cpp
index 6139ef4..104a887 100644
--- a/mlpp/knn/knn.cpp
+++ b/mlpp/knn/knn.cpp
@@ -61,10 +61,6 @@ real_t MLPPKNN::score() {
 	return util.performance_pool_int_array_vec(model_set_test(_input_set), _output_set);
 }
 
-MLPPKNN::MLPPKNN(std::vector<std::vector<real_t>> inputSet, std::vector<real_t> outputSet, int k) {
-	_k = k;
-}
-
 MLPPKNN::MLPPKNN() {
 	_k = 0;
 }
@@ -171,7 +167,7 @@ void MLPPKNN::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("get_k"), &MLPPKNN::get_k);
 	ClassDB::bind_method(D_METHOD("set_k", "value"), &MLPPKNN::set_k);
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "k"), "set_k", "get_k");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "k"), "set_k", "get_k");
 
 	ClassDB::bind_method(D_METHOD("model_set_test", "X"), &MLPPKNN::model_set_test);
 	ClassDB::bind_method(D_METHOD("model_test", "x"), &MLPPKNN::model_test);
diff --git a/mlpp/knn/knn.h b/mlpp/knn/knn.h
index 534c750..5fd4836 100644
--- a/mlpp/knn/knn.h
+++ b/mlpp/knn/knn.h
@@ -32,8 +32,6 @@ public:
 	int model_test(const Ref<MLPPVector> &x);
 	real_t score();
 
-	MLPPKNN(std::vector<std::vector<real_t>> inputSet, std::vector<real_t> outputSet, int k);
-
 	MLPPKNN();
 	~MLPPKNN();