diff --git a/python/core/qgscolortable.sip b/python/core/qgscolortable.sip
index ef8f90b0f99..320d603cac5 100644
--- a/python/core/qgscolortable.sip
+++ b/python/core/qgscolortable.sip
@@ -63,7 +63,6 @@ public:
 
     /** \brief Clear the color table */
     void clear();
-	void gack();
 
 };
 
diff --git a/src/core/raster/qgscolortable.h b/src/core/raster/qgscolortable.h
index ad6db46ac35..d31e3fe6541 100644
--- a/src/core/raster/qgscolortable.h
+++ b/src/core/raster/qgscolortable.h
@@ -100,7 +100,6 @@ public:
 
     /** \brief Clear the color table */
     void clear();
-	void gack();
 
 private:
     /** \brief vector of discrete values */