diff --git a/src/mbgl/map/live_tile_data.cpp b/src/mbgl/map/live_tile_data.cpp
index 8e241f981..8b4f46deb 100644
--- a/src/mbgl/map/live_tile_data.cpp
+++ b/src/mbgl/map/live_tile_data.cpp
@@ -54,7 +54,9 @@ void LiveTileData::parse() {
             return;
         }
     } else {
+        // Clear the style so that we don't have a cycle in the shared_ptr references.
         style.reset();
+
         state = State::obsolete;
     }