diff --git a/gtsam/navigation/tests/testGPSFactor.cpp b/gtsam/navigation/tests/testGPSFactor.cpp
index 5607add16..741ec4dfd 100644
--- a/gtsam/navigation/tests/testGPSFactor.cpp
+++ b/gtsam/navigation/tests/testGPSFactor.cpp
@@ -20,8 +20,6 @@
 #include <gtsam/base/Testable.h>
 #include <gtsam/base/numericalDerivative.h>
 
-#include <boost/bind/bind.hpp>
-
 #include <CppUnitLite/TestHarness.h>
 
 #include <GeographicLib/Config.h>
@@ -71,7 +69,7 @@ TEST( GPSFactor, Constructor ) {
 
   // Calculate numerical derivatives
   Matrix expectedH = numericalDerivative11<Vector, Pose3>(
-      std::bind(&GPSFactor::evaluateError, &factor, std::placeholders::_1, boost::none), T);
+      [&factor](const Pose3& T) { return factor.evaluateError(T); }, T);
 
   // Use the factor to calculate the derivative
   Matrix actualH;
@@ -100,7 +98,7 @@ TEST( GPSFactor2, Constructor ) {
 
   // Calculate numerical derivatives
   Matrix expectedH = numericalDerivative11<Vector, NavState>(
-      std::bind(&GPSFactor2::evaluateError, &factor, std::placeholders::_1, boost::none), T);
+      [&factor](const NavState& T) { return factor.evaluateError(T); }, T);
 
   // Use the factor to calculate the derivative
   Matrix actualH;