diff --git a/contractor/geometry_compressor.cpp b/contractor/geometry_compressor.cpp
index 5af89c297..e40143ad5 100644
--- a/contractor/geometry_compressor.cpp
+++ b/contractor/geometry_compressor.cpp
@@ -35,8 +35,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <limits>
 #include <string>
 
-int free_list_maximum = 0;
-int UniqueNumber() { return ++free_list_maximum; }
+//int UniqueNumber() { return ++free_list_maximum; }
 
 GeometryCompressor::GeometryCompressor()
 {
diff --git a/contractor/geometry_compressor.hpp b/contractor/geometry_compressor.hpp
index dd5748d91..ca83fa44c 100644
--- a/contractor/geometry_compressor.hpp
+++ b/contractor/geometry_compressor.hpp
@@ -58,6 +58,8 @@ class GeometryCompressor
     NodeID GetLastNodeIDOfBucket(const EdgeID edge_id) const;
 
   private:
+    int free_list_maximum = 0;
+    
     void IncreaseFreeList();
     std::vector<std::vector<CompressedNode>> m_compressed_geometries;
     std::vector<unsigned> m_free_list;