diff --git a/GeoLib/StationBorehole.cpp b/GeoLib/StationBorehole.cpp
index 48ab7a33f80bd392f57c7457af8e91ebb9bd2413..6f61564a085fd66468978bb4c92a5572172f0163 100644
--- a/GeoLib/StationBorehole.cpp
+++ b/GeoLib/StationBorehole.cpp
@@ -35,7 +35,7 @@ namespace GeoLib
 ////////////////////////
 
 StationBorehole::StationBorehole(double x, double y, double z, const std::string &name) :
-	Station (x, y, z, name), _zCoord(0), _depth(0), _date(0)
+	Station (x, y, z, name), _depth(0), _date(0)
 {
 	_type = Station::BOREHOLE;
 	addProperty("date", &StationBorehole::getDate, &StationBorehole::setDate);
diff --git a/GeoLib/StationBorehole.h b/GeoLib/StationBorehole.h
index ea21da5064af975ca6c2f07e864e6b8d3031be7b..691eb99fa385ae3769c0b894b63227ea3cdb42ae 100644
--- a/GeoLib/StationBorehole.h
+++ b/GeoLib/StationBorehole.h
@@ -117,7 +117,6 @@ private:
 
 	//long profile_type;
 	//std::vector<long> _soilType;
-	double _zCoord; // height at which the borehole officially begins (this might _not_ be the actual elevation)
 	double _depth; // depth of the borehole
 	int _date; // date when the borehole has been drilled