diff --git a/map/traffic_manager.cpp b/map/traffic_manager.cpp
index d8a016a90..1ac54f318 100644
--- a/map/traffic_manager.cpp
+++ b/map/traffic_manager.cpp
@@ -410,20 +410,6 @@ void TrafficManager::ConsolidateFeedQueue()
       ++it;
 }
 
-void TrafficManager::InitializeDataSources(std::vector<FrozenDataSource> & dataSources)
-{
-  /*
-   * TODO can we include all available MWMs in the list (including non-active ones)?
-   * Then we could initialize the decoder once and for all.
-   */
-  ForEachActiveMwm([this, &dataSources](MwmSet::MwmId const & mwmId) {
-    ASSERT(mwmId.IsAlive(), ());
-    // TODO do we need .SyncWithDisk() for the file?
-    for (size_t i = 0; i < dataSources.size(); i++)
-      dataSources[i].RegisterMap(mwmId.GetInfo()->GetLocalFile());
-  });
-}
-
 /*
  * TODO the OpenLR decoder is designed to handle multiple segments (i.e. locations).
  * Decoding message by message kind of defeats the purpose.
diff --git a/map/traffic_manager.hpp b/map/traffic_manager.hpp
index 14b882d93..e384dbea4 100644
--- a/map/traffic_manager.hpp
+++ b/map/traffic_manager.hpp
@@ -246,13 +246,6 @@ private:
    */
   void ConsolidateFeedQueue();
 
-  /**
-   * @brief Initializes the data sources for an OpenLR decoder.
-   *
-   * @param dataSources Receives the data sources for the decoder (one per worker thread).
-   */
-  void InitializeDataSources(std::vector<FrozenDataSource> &dataSources);
-
   /**
    * @brief Removes the first message from the first feed and decodes it.
    */