diff --git a/src/branches2.hpp b/src/branches2.hpp
index a1fe5e3e..c207d8ee 100644
--- a/src/branches2.hpp
+++ b/src/branches2.hpp
@@ -1,18 +1,10 @@
 #include "branch2.hpp"
+#include "branch_tier.hpp"
 
 #include "toml.hpp"
 
 #include <vector>
 
-class Branch2Tier
-{
-public:
-  uint64_t min_free_space;
-
-private:
-  std::vector<Branch2>  _branches;
-};
-
 class Branches2
 {
 public: