diff --git a/src/sat/sat_local_search.h b/src/sat/sat_local_search.h
index 78e0d8cd6..0f955a17e 100644
--- a/src/sat/sat_local_search.h
+++ b/src/sat/sat_local_search.h
@@ -78,7 +78,6 @@ namespace sat {
             pbcoeff(unsigned id, unsigned coeff):
                 m_constraint_id(id), m_coeff(coeff) {}
         };
-        typedef bool_vector bool_vector;
         typedef svector<pbcoeff> coeff_vector;