diff --git a/include/boost/math/special_functions/gamma.hpp b/include/boost/math/special_functions/gamma.hpp
index 46045b8cc..f17f7fa94 100644
--- a/include/boost/math/special_functions/gamma.hpp
+++ b/include/boost/math/special_functions/gamma.hpp
@@ -131,11 +131,6 @@ BOOST_MATH_GPU_ENABLED T gamma_imp_final(T z, const Policy& pol, const Lanczos&
 
    if(z <= 0)
    {
-      if(floor(z) == z)
-      {
-         return policies::raise_pole_error<T>(function, "Evaluation of tgamma at a negative integer %1%.", z, pol);
-      }
-
       // shift z to > 1:
       while(z < 0)
       {
@@ -225,7 +220,8 @@ BOOST_MATH_GPU_ENABLED BOOST_MATH_FORCEINLINE T gamma_imp(T z, const Policy& pol
          {
             if ((fabs(result) < 1) && (tools::max_value<T>() * fabs(result) < boost::math::constants::pi<T>()))
             {
-               return policies::raise_overflow_error<T>(function, nullptr, pol);
+               return policies::raise_overflow_error<T>(function, nullptr, pol);  // LCOV_EXCL_LINE MP only.
+
             }
          }
          else
@@ -1302,12 +1298,6 @@ template <class T, class Policy>
 BOOST_MATH_GPU_ENABLED T gamma_incomplete_imp_final(T a, T x, bool normalised, bool invert,
                        const Policy& pol, T* p_derivative)
 {
-   constexpr auto function = "boost::math::gamma_p<%1%>(%1%, %1%)";
-   if(a <= 0)
-      return policies::raise_domain_error<T>(function, "Argument a to the incomplete gamma function must be greater than zero (got a=%1%).", a, pol);
-   if(x < 0)
-      return policies::raise_domain_error<T>(function, "Argument x to the incomplete gamma function must be >= 0 (got x=%1%).", x, pol);
-
    BOOST_MATH_STD_USING
 
    typedef typename lanczos::lanczos<T, Policy>::type lanczos_type;
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 88984f5dc..d94d40c5c 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -575,6 +575,7 @@ test-suite special_fun :
    [ run test_tgamma_for_issue396_part1.cpp /boost/test//boost_unit_test_framework : : : $(float128_type) <toolset>gcc-mingw:<cxxflags>-Wa,-mbig-obj <debug-symbols>off <toolset>msvc:<cxxflags>/bigobj [ check-target-builds ../config//is_cygwin_run "Cygwin CI run" : <build>no ] ]
    [ run test_tgamma_for_issue396_part2.cpp /boost/test//boost_unit_test_framework : : : <toolset>gcc-mingw:<cxxflags>-Wa,-mbig-obj <debug-symbols>off <toolset>msvc:<cxxflags>/bigobj [ check-target-builds ../config//is_cygwin_run "Cygwin CI run" : <build>no ]  ]
    [ run test_tgamma_ratio.cpp test_instances//test_instances pch_light /boost/test//boost_unit_test_framework  ]
+   [ run test_tgamma_eh.cpp /boost/test//boost_unit_test_framework  ]
    [ run test_trig.cpp test_instances//test_instances pch_light /boost/test//boost_unit_test_framework  ]
    [ run test_zeta.cpp /boost/test//boost_unit_test_framework test_instances//test_instances pch_light  ]
    [ run test_sinc.cpp /boost/test//boost_unit_test_framework pch_light ]