diff --git a/src/basics/vector.cc b/src/basics/vector.cc
index 314f026..a2d65f8 100644
--- a/src/basics/vector.cc
+++ b/src/basics/vector.cc
@@ -11,14 +11,6 @@
 namespace charles {
 namespace basics {
 
-/*
- * charles::basics::Vector4::Vector4 --
- */
-Vector4::Vector4()
-    : Vector4(0, 0, 0)
-{ }
-
-
 /*
  * charles::basics::Vector4::Vector4 --
  */
diff --git a/src/basics/vector.hh b/src/basics/vector.hh
index 9ec4741..4069d87 100644
--- a/src/basics/vector.hh
+++ b/src/basics/vector.hh
@@ -22,8 +22,7 @@ struct Vector
 struct Vector4
     : public Vector<4>
 {
-    Vector4();
-    Vector4(const Double& x, const Double& y, const Double& z);
+    Vector4(const Double& x = 0.0, const Double& y = 0.0, const Double& z = 0.0);
     Vector4(const Matrix<4,1>&& m);
 
     Double& X();