diff --git a/include/engine/search_engine_data.hpp b/include/engine/search_engine_data.hpp
index e18c9743b..8b59c77c9 100644
--- a/include/engine/search_engine_data.hpp
+++ b/include/engine/search_engine_data.hpp
@@ -79,12 +79,8 @@ template <> struct SearchEngineData<routing_algorithms::mld::Algorithm>
 
     static SearchEngineHeapPtr forward_heap_1;
     static SearchEngineHeapPtr reverse_heap_1;
-    static SearchEngineHeapPtr forward_heap_2;
-    static SearchEngineHeapPtr reverse_heap_2;
 
     void InitializeOrClearFirstThreadLocalStorage(unsigned number_of_nodes);
-
-    void InitializeOrClearSecondThreadLocalStorage(unsigned number_of_nodes);
 };
 }
 }
diff --git a/src/engine/search_engine_data.cpp b/src/engine/search_engine_data.cpp
index 48eaf5892..63824493d 100644
--- a/src/engine/search_engine_data.cpp
+++ b/src/engine/search_engine_data.cpp
@@ -96,8 +96,6 @@ void SearchEngineData<CH>::InitializeOrClearManyToManyThreadLocalStorage(unsigne
 using MLD = routing_algorithms::mld::Algorithm;
 SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::forward_heap_1;
 SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::reverse_heap_1;
-SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::forward_heap_2;
-SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::reverse_heap_2;
 
 void SearchEngineData<MLD>::InitializeOrClearFirstThreadLocalStorage(unsigned number_of_nodes)
 {
@@ -119,26 +117,5 @@ void SearchEngineData<MLD>::InitializeOrClearFirstThreadLocalStorage(unsigned nu
         reverse_heap_1.reset(new QueryHeap(number_of_nodes));
     }
 }
-
-void SearchEngineData<MLD>::InitializeOrClearSecondThreadLocalStorage(unsigned)
-{
-    if (forward_heap_2.get())
-    {
-        forward_heap_2->Clear();
-    }
-    else
-    {
-        forward_heap_2.reset(new QueryHeap(1));
-    }
-
-    if (reverse_heap_2.get())
-    {
-        reverse_heap_2->Clear();
-    }
-    else
-    {
-        reverse_heap_2.reset(new QueryHeap(1));
-    }
-}
 }
 }