diff --git a/gtsam/discrete/DiscreteSearch.cpp b/gtsam/discrete/DiscreteSearch.cpp
index 531d994be..d151e7a6f 100644
--- a/gtsam/discrete/DiscreteSearch.cpp
+++ b/gtsam/discrete/DiscreteSearch.cpp
@@ -20,8 +20,6 @@
 
 namespace gtsam {
 
-using Value = size_t;
-
 /**
  * @brief Represents a node in the search tree for discrete search algorithms.
  *