diff --git a/include/internal/catch_test_registry.h b/include/internal/catch_test_registry.h
index 0e7b53de..feae962d 100644
--- a/include/internal/catch_test_registry.h
+++ b/include/internal/catch_test_registry.h
@@ -120,7 +120,6 @@ struct AutoReg : NonCopyable {
             struct TestName{\
                 template<typename...Ts> \
                 TestName(Ts...names){\
-                    CATCH_INTERNAL_CHECK_UNIQUE_TYPES(CATCH_REC_LIST(INTERNAL_CATCH_REMOVE_PARENS, __VA_ARGS__)) \
                     using expander = int[];\
                     (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFunc<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ names, Tags } ), 0)... };/* NOLINT */ \
                 }\
@@ -131,12 +130,6 @@ struct AutoReg : NonCopyable {
         template<typename TestType> \
         static void TestFunc()
 
-#if defined(CATCH_CPP17_OR_GREATER)
-#define CATCH_INTERNAL_CHECK_UNIQUE_TYPES(...) static_assert(Catch::is_unique<__VA_ARGS__>,"Duplicate type detected in declaration of template test case");
-#else
-#define CATCH_INTERNAL_CHECK_UNIQUE_TYPES(...) static_assert(Catch::is_unique<__VA_ARGS__>::value,"Duplicate type detected in declaration of template test case");
-#endif
-
 #ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
     #define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...) \
         INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, __VA_ARGS__ )
@@ -158,7 +151,6 @@ struct AutoReg : NonCopyable {
             template<typename... Types>                               \
             struct TestName {                                         \
                 TestName() {                                          \
-                    CATCH_INTERNAL_CHECK_UNIQUE_TYPES(Types...)       \
                     int index = 0;                                    \
                     using expander = int[];                           \
                     constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};\
@@ -197,7 +189,6 @@ struct AutoReg : NonCopyable {
             struct TestNameClass{\
                 template<typename...Ts> \
                 TestNameClass(Ts...names){\
-                    CATCH_INTERNAL_CHECK_UNIQUE_TYPES(CATCH_REC_LIST(INTERNAL_CATCH_REMOVE_PARENS, __VA_ARGS__)) \
                     using expander = int[];\
                     (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ names, Tags } ), 0)... };/* NOLINT */ \
                 }\
@@ -226,7 +217,6 @@ struct AutoReg : NonCopyable {
             template<typename...Types>\
             struct TestNameClass{\
                 TestNameClass(){\
-                    CATCH_INTERNAL_CHECK_UNIQUE_TYPES(Types...)\
                     int index = 0;\
                     using expander = int[];\
                     constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};\