diff --git a/src/Matrix.cc b/src/Matrix.cc
index e7ea9dc..a708453 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -134,9 +134,6 @@ Matrix::Matrix(cv::Mat m, cv::Rect roi): ObjectWrap() {
 	mat = cv::Mat(m, roi);
 }
 
-Matrix::Matrix(cv::Mat m): ObjectWrap() {
-	mat = cv::Mat(m);
-}
 
 Handle<Value>
 Matrix::Empty(const Arguments& args){
diff --git a/src/Matrix.h b/src/Matrix.h
index 0619ddb..a21ed0e 100755
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -9,7 +9,6 @@ class Matrix: public node::ObjectWrap {
     static Handle<Value> New(const Arguments &args);
     Matrix();
     Matrix(cv::Mat other, cv::Rect roi);
-    Matrix(cv::Mat other);
     Matrix(int rows, int cols);
     Matrix(int rows, int cols, int typ);