diff --git a/python/core/qgsmaplayer.sip b/python/core/qgsmaplayer.sip
index 783d4e87406..700c152e396 100644
--- a/python/core/qgsmaplayer.sip
+++ b/python/core/qgsmaplayer.sip
@@ -55,12 +55,6 @@ public:
      */
     const QString & name() const;
 
-    /** Virtual function to calculate the extent of the current layer.
-     * This function must be overridden in all child classes and implemented
-     * based on the layer type
-     */
-    virtual QgsRect calculateExtent();
-
     /** Render the layer, to be overridden in child classes
      * @param painter Painter that to be used for rendered output
      * @param rect Extent of the layer to be drawn
diff --git a/src/core/qgsmaplayer.cpp b/src/core/qgsmaplayer.cpp
index b7d11c59bc8..be315b97a19 100644
--- a/src/core/qgsmaplayer.cpp
+++ b/src/core/qgsmaplayer.cpp
@@ -119,14 +119,6 @@ const QgsRect QgsMapLayer::extent()
     return mLayerExtent;
 }
 
-QgsRect QgsMapLayer::calculateExtent()
-{
-    //just to prevent any crashes
-    QgsRect rect;
-    
-    rect.setMinimal();
-    return rect;
-}
 
 bool QgsMapLayer::draw(QPainter *, QgsRect &, QgsMapToPixel *, QgsCoordinateTransform *, bool)
 {
diff --git a/src/core/qgsmaplayer.h b/src/core/qgsmaplayer.h
index 950b9cb22ba..2eabf1424af 100644
--- a/src/core/qgsmaplayer.h
+++ b/src/core/qgsmaplayer.h
@@ -72,12 +72,6 @@ public:
      */
     QString const & name() const;
 
-    /** Virtual function to calculate the extent of the current layer.
-     * This function must be overridden in all child classes and implemented
-     * based on the layer type
-     */
-    virtual QgsRect calculateExtent();
-
     /** Render the layer, to be overridden in child classes
      * @param painter Painter that to be used for rendered output
      * @param rect Extent of the layer to be drawn