diff --git a/net.wolfgangwerner.geo/src/net/wolfgangwerner/geo/distance/DistanceCalculationAlgorithm.java b/net.wolfgangwerner.geo/src/net/wolfgangwerner/geo/distance/DistanceCalculationAlgorithm.java
deleted file mode 100644
index aaf4ebe..0000000
--- a/net.wolfgangwerner.geo/src/net/wolfgangwerner/geo/distance/DistanceCalculationAlgorithm.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package net.wolfgangwerner.geo.distance;
-
-import net.wolfgangwerner.geo.model.GeoPoint;
-
-public interface DistanceCalculationAlgorithm {
-	public double distanceInKilometres(GeoPoint from, GeoPoint to);
-}
\ No newline at end of file
diff --git a/net.wolfgangwerner.geo/src/net/wolfgangwerner/geo/distance/GreatCircleDistanceAlgorithm.java b/net.wolfgangwerner.geo/src/net/wolfgangwerner/geo/distance/GreatCircleDistanceAlgorithm.java
deleted file mode 100644
index 4003a85..0000000
--- a/net.wolfgangwerner.geo/src/net/wolfgangwerner/geo/distance/GreatCircleDistanceAlgorithm.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package net.wolfgangwerner.geo.distance;
-
-import static net.wolfgangwerner.geo.GeoConstants.EARTH_RADIUS_IN_KM;
-import net.wolfgangwerner.geo.model.GeoPoint;
-
-public class GreatCircleDistanceAlgorithm implements
-		DistanceCalculationAlgorithm {
-
-	@Override
-	public double distanceInKilometres(GeoPoint from, GeoPoint to) {
-
-		double d = Math.acos((Math.cos(from.getLatitudeRadians()) * Math.cos(to
-				.getLatitudeRadians()))
-				+ (Math.sin(from.getLatitudeRadians()) * Math.sin(to
-						.getLatitudeRadians()))
-				* (Math.cos(from.getLongitudeRadians()
-						- to.getLongitudeRadians())));
-		return (d * EARTH_RADIUS_IN_KM);
-	}
-
-}