diff --git a/include/boost/geometry/algorithms/detail/distance/backward_compatibility.hpp b/include/boost/geometry/algorithms/detail/distance/backward_compatibility.hpp
index 603963cbf..5dd69cbcd 100644
--- a/include/boost/geometry/algorithms/detail/distance/backward_compatibility.hpp
+++ b/include/boost/geometry/algorithms/detail/distance/backward_compatibility.hpp
@@ -110,7 +110,7 @@ struct distance
     static inline typename return_type<Strategy, Point, typename point_type<Linestring>::type>::type
     apply(Point const& point,
           Linestring const& linestring,
-          Strategy const& strategy)
+          Strategy const&)
     {
         typedef typename detail::distance::default_ps_strategy
                     <
@@ -143,7 +143,7 @@ struct distance
 
     static inline return_type apply(Point const& point,
             Ring const& ring,
-            Strategy const& strategy)
+            Strategy const&)
     {
         typedef typename detail::distance::default_ps_strategy
             <
@@ -181,7 +181,7 @@ struct distance
 
     static inline return_type apply(Point const& point,
             Polygon const& polygon,
-            Strategy const& strategy)
+            Strategy const&)
     {
         typedef typename detail::distance::default_ps_strategy
             <
diff --git a/include/boost/geometry/algorithms/detail/distance/box_to_box.hpp b/include/boost/geometry/algorithms/detail/distance/box_to_box.hpp
index 98b3be0f7..7b032a19c 100644
--- a/include/boost/geometry/algorithms/detail/distance/box_to_box.hpp
+++ b/include/boost/geometry/algorithms/detail/distance/box_to_box.hpp
@@ -43,6 +43,7 @@ struct distance
         >::type
     apply(Box1 const& box1, Box2 const& box2, Strategy const& strategy)
     {
+        boost::ignore_unused_variable_warning(strategy);
         return strategy.apply(box1, box2);
     }
 };
diff --git a/include/boost/geometry/algorithms/detail/distance/point_to_geometry.hpp b/include/boost/geometry/algorithms/detail/distance/point_to_geometry.hpp
index 4d6a598ad..7b89dcad1 100644
--- a/include/boost/geometry/algorithms/detail/distance/point_to_geometry.hpp
+++ b/include/boost/geometry/algorithms/detail/distance/point_to_geometry.hpp
@@ -390,10 +390,11 @@ struct distance
           Segment const& segment,
           Strategy const& strategy)
     {
-
         typename point_type<Segment>::type p[2];
         geometry::detail::assign_point_from_index<0>(segment, p[0]);
         geometry::detail::assign_point_from_index<1>(segment, p[1]);
+
+        boost::ignore_unused_variable_warning(strategy);
         return strategy.apply(point, p[0], p[1]);
     }
 };
@@ -413,6 +414,7 @@ struct distance
         >::type
     apply(Point const& point, Box const& box, Strategy const& strategy)
     {
+        boost::ignore_unused_variable_warning(strategy);
         return strategy.apply(point, box);
     }
 };
diff --git a/include/boost/geometry/algorithms/detail/distance/range_to_segment_or_box.hpp b/include/boost/geometry/algorithms/detail/distance/range_to_segment_or_box.hpp
index db2bcf68f..e1d113ff3 100644
--- a/include/boost/geometry/algorithms/detail/distance/range_to_segment_or_box.hpp
+++ b/include/boost/geometry/algorithms/detail/distance/range_to_segment_or_box.hpp
@@ -106,6 +106,7 @@ private:
                                      SegmentPoints const& segment_points,
                                      ComparableStrategy const& strategy)
         {
+            boost::ignore_unused_variable_warning(strategy);
             return strategy.apply(point, segment_points[0], segment_points[1]);
         }
     };
@@ -126,6 +127,8 @@ private:
                                      BoxPoints const& box_points,
                                      ComparableStrategy const& strategy)
         {
+            boost::ignore_unused_variable_warning(strategy);
+
             comparable_return_type cd_min =
                 strategy.apply(point, box_points[0], box_points[3]);
 
diff --git a/include/boost/geometry/algorithms/detail/distance/segment_to_box.hpp b/include/boost/geometry/algorithms/detail/distance/segment_to_box.hpp
index 3efa7673a..4a6f23839 100644
--- a/include/boost/geometry/algorithms/detail/distance/segment_to_box.hpp
+++ b/include/boost/geometry/algorithms/detail/distance/segment_to_box.hpp
@@ -81,6 +81,9 @@ private:
     {
         typedef cast_to_result<ReturnType> cast;
 
+        boost::ignore_unused_variable_warning(pp_strategy);
+        boost::ignore_unused_variable_warning(ps_strategy);
+
         // assert that the segment has non-negative slope
         BOOST_ASSERT( (math::equals(geometry::get<0>(p0),
                                     geometry::get<0>(p1))
@@ -217,6 +220,9 @@ private:
     {
         typedef cast_to_result<ReturnType> cast;
 
+        boost::ignore_unused_variable_warning(pp_strategy);
+        boost::ignore_unused_variable_warning(ps_strategy);
+
         // assert that the segment has negative slope
         BOOST_ASSERT
             ( geometry::get<0>(p0) < geometry::get<0>(p1)