diff --git a/test/unordered/prime_fmod_tests.cpp b/test/unordered/prime_fmod_tests.cpp
index 149bdc5a..231fd913 100644
--- a/test/unordered/prime_fmod_tests.cpp
+++ b/test/unordered/prime_fmod_tests.cpp
@@ -6,7 +6,6 @@
 
 #include <boost/core/detail/splitmix64.hpp>
 #include <boost/core/lightweight_test.hpp>
-#include <boost/static_assert.hpp>
 
 #include <limits>