diff --git a/src/thirdparty/recast/Detour/Include/DetourNavMesh.h b/src/thirdparty/recast/Detour/Include/DetourNavMesh.h
index 7fb747ec..b512c0c0 100644
--- a/src/thirdparty/recast/Detour/Include/DetourNavMesh.h
+++ b/src/thirdparty/recast/Detour/Include/DetourNavMesh.h
@@ -871,7 +871,9 @@ public:
 	///  @param[in]	size	The size of the traverse table.
 	void setTraverseTableSize(const int size) { m_params.traverseTableSize = size; }
 
+#if DT_NAVMESH_SET_VERSION >= 7
 	void freeHints();
+#endif
 
 	/// @}
 
diff --git a/src/thirdparty/recast/Detour/Source/DetourNavMesh.cpp b/src/thirdparty/recast/Detour/Source/DetourNavMesh.cpp
index 0d68256e..66722d81 100644
--- a/src/thirdparty/recast/Detour/Source/DetourNavMesh.cpp
+++ b/src/thirdparty/recast/Detour/Source/DetourNavMesh.cpp
@@ -293,7 +293,9 @@ dtNavMesh::~dtNavMesh()
 	rdFree(m_tiles);
 
 	freeTraverseTables();
+#if DT_NAVMESH_SET_VERSION >= 7
 	freeHints();
+#endif
 }
 
 dtStatus dtNavMesh::init(const dtNavMeshParams* params)
@@ -2091,6 +2093,7 @@ void dtNavMesh::setTraverseTable(const int index, int* const table)
 	m_traverseTables[index] = table;
 }
 
+#if DT_NAVMESH_SET_VERSION >= 7
 void dtNavMesh::freeHints()
 {
 	for (int i = 0; i < m_params.hintCount; i++)
@@ -2103,6 +2106,7 @@ void dtNavMesh::freeHints()
 
 	rdFree(m_hints);
 }
+#endif
 
 dtStatus dtNavMesh::setPolyFlags(dtPolyRef ref, unsigned short flags)
 {