diff --git a/src/webgl/layer.js b/src/webgl/layer.js
index 80faf8789e..f0bb8c3356 100644
--- a/src/webgl/layer.js
+++ b/src/webgl/layer.js
@@ -179,6 +179,10 @@ var webgl_layer = function () {
             used_canvases.push(canvas);
           }
         });
+        /* explicitly exit any renderers we no longer use */
+        rerender_list.forEach(function (renderer) {
+          renderer._exit();
+        });
       };
 
       map.geoOn(geo_event.layerAdd, () => map._updateAutoshareRenderers());