diff --git a/include/boost/math/quadrature/detail/tanh_sinh_detail.hpp b/include/boost/math/quadrature/detail/tanh_sinh_detail.hpp
index 8d658159e..a40c7bdea 100644
--- a/include/boost/math/quadrature/detail/tanh_sinh_detail.hpp
+++ b/include/boost/math/quadrature/detail/tanh_sinh_detail.hpp
@@ -667,7 +667,7 @@ void tanh_sinh_detail<Real, Policy>::prune_to_min_complement(const Real& m)
    {
       for (unsigned row = 0; (row < m_abscissas.size()) && m_abscissas[row].size(); ++row)
       {
-         typename std::vector<Real>::iterator pos = std::lower_bound(m_abscissas[row].begin(), m_abscissas[row].end(), m, [](const Real& a, const Real& b) { return fabs(a) > fabs(b); });
+         typename std::vector<Real>::iterator pos = std::lower_bound(m_abscissas[row].begin(), m_abscissas[row].end(), m, [](const Real& a, const Real& b) { using std::fabs; return fabs(a) > fabs(b); });
          if (pos != m_abscissas[row].end())
          {
             m_abscissas[row].erase(pos, m_abscissas[row].end());
diff --git a/test/tanh_sinh_quadrature_test.cpp b/test/tanh_sinh_quadrature_test.cpp
index c9404d8a7..4c9698488 100644
--- a/test/tanh_sinh_quadrature_test.cpp
+++ b/test/tanh_sinh_quadrature_test.cpp
@@ -58,6 +58,9 @@ using std::sinh;
 using std::tanh;
 using std::cosh;
 using std::pow;
+using std::exp;
+using std::sin;
+using std::cos;
 using std::string;
 using boost::multiprecision::cpp_bin_float_50;
 using boost::multiprecision::cpp_bin_float_100;