diff --git a/codegen/include/ck/host/stringutils.hpp b/codegen/include/ck/host/stringutils.hpp
index 37d1144ae1..89c1884d2e 100644
--- a/codegen/include/ck/host/stringutils.hpp
+++ b/codegen/include/ck/host/stringutils.hpp
@@ -100,33 +100,5 @@ inline auto Transform(const Range1& r1, const Range2& r2, F f)
     return result;
 }
 
-inline bool StartsWith(const std::string& value, const std::string& prefix)
-{
-    if(prefix.size() > value.size())
-        return false;
-    else
-        return std::equal(prefix.begin(), prefix.end(), value.begin());
-}
-
-inline bool EndsWith(const std::string& value, const std::string& suffix)
-{
-    if(suffix.size() > value.size())
-        return false;
-    else
-        return std::equal(suffix.rbegin(), suffix.rend(), value.rbegin());
-}
-
-inline std::vector<std::string> SplitString(const std::string& s, char delim)
-{
-    std::vector<std::string> elems;
-    std::stringstream ss(s + delim);
-    std::string item;
-    while(std::getline(ss, item, delim))
-    {
-        elems.push_back(item);
-    }
-    return elems;
-}
-
 } // namespace host
 } // namespace ck
diff --git a/codegen/test/CMakeLists.txt b/codegen/test/CMakeLists.txt
index 94b1b99409..6dd130bc3f 100644
--- a/codegen/test/CMakeLists.txt
+++ b/codegen/test/CMakeLists.txt
@@ -1,10 +1,3 @@
-option(USE_HIPRTC_FOR_CODEGEN_TESTS "Whether to enable hipRTC for codegen tests." ON)
-
-if(USE_HIPRTC_FOR_CODEGEN_TESTS)
-    add_compile_definitions(HIPRTC_FOR_CODEGEN_TESTS)
-    message("CK compiled with USE_HIPRTC_FOR_CODEGEN_TESTS set to ${USE_HIPRTC_FOR_CODEGEN_TESTS}")
-endif()
-
 list(APPEND CMAKE_PREFIX_PATH /opt/rocm)
 add_subdirectory(rtc)
 file(GLOB TEST_SRCS CONFIGURE_DEPENDS *.cpp)
diff --git a/codegen/test/rtc/CMakeLists.txt b/codegen/test/rtc/CMakeLists.txt
index 39497f1a21..a83574947d 100644
--- a/codegen/test/rtc/CMakeLists.txt
+++ b/codegen/test/rtc/CMakeLists.txt
@@ -2,3 +2,9 @@ file(GLOB RTC_SOURCES CONFIGURE_DEPENDS src/*.cpp)
 add_library(ck_rtc ${RTC_SOURCES})
 target_include_directories(ck_rtc PUBLIC include)
 target_link_libraries(ck_rtc PUBLIC hip::host)
+
+option(USE_HIPRTC_FOR_CODEGEN_TESTS "Whether to enable hipRTC for codegen tests." ON)
+if(USE_HIPRTC_FOR_CODEGEN_TESTS)
+    target_compile_definitions(ck_rtc PUBLIC HIPRTC_FOR_CODEGEN_TESTS)
+    message("CK compiled with USE_HIPRTC_FOR_CODEGEN_TESTS set to ${USE_HIPRTC_FOR_CODEGEN_TESTS}")
+endif()
diff --git a/codegen/test/rtc/src/compile_kernel.cpp b/codegen/test/rtc/src/compile_kernel.cpp
index 445f8725d2..a3377d6853 100644
--- a/codegen/test/rtc/src/compile_kernel.cpp
+++ b/codegen/test/rtc/src/compile_kernel.cpp
@@ -1,8 +1,8 @@
-#include <ck/host/stringutils.hpp>
 #include <rtc/compile_kernel.hpp>
 #include <rtc/hip.hpp>
 #ifdef HIPRTC_FOR_CODEGEN_TESTS
 #include <hip/hiprtc.h>
+#include <rtc/manage_ptr.hpp>
 #endif
 #include <rtc/tmp_dir.hpp>
 #include <cassert>
@@ -14,6 +14,26 @@
 
 namespace rtc {
 
+bool EndsWith(const std::string& value, const std::string& suffix)
+{
+    if(suffix.size() > value.size())
+        return false;
+    else
+        return std::equal(suffix.rbegin(), suffix.rend(), value.rbegin());
+}
+
+std::vector<std::string> SplitString(const std::string& s, char delim)
+{
+    std::vector<std::string> elems;
+    std::stringstream ss(s + delim);
+    std::string item;
+    while(std::getline(ss, item, delim))
+    {
+        elems.push_back(item);
+    }
+    return elems;
+}
+
 template <class T>
 T generic_read_file(const std::string& filename, size_t offset = 0, size_t nbytes = 0)
 {
@@ -108,42 +128,27 @@ kernel clang_compile_kernel(const std::vector<src_file>& srcs, compile_options o
 
 #ifdef HIPRTC_FOR_CODEGEN_TESTS
 
+std::string hiprtc_error(hiprtcResult err, const std::string& msg)
+{
+    return "hiprtc: " + (hiprtcGetErrorString(err) + (": " + msg));
+}
+
+void hiprtc_check_error(hiprtcResult err, const std::string& msg = "")
+{
+    if(err != HIPRTC_SUCCESS)
+        throw std::runtime_error(hiprtc_error(err, msg));
+}
+
 struct hiprtc_src_file
 {
     hiprtc_src_file() = default;
     hiprtc_src_file(const src_file& s) : path(s.path.string()), content(s.content) {}
     std::string path;
     std::string content;
-    template <class Self, class F>
-    static auto reflect(Self& self, F f)
-    {
-        return pack(f(self.path, "path"), f(self.content, "content"));
-    }
 };
 
-std::string hiprtc_error(hiprtcResult err, const std::string& msg)
-{
-    return "hiprtc: " + (hiprtcGetErrorString(err) + (": " + msg));
-}
-
-void hiprtc_check_error(hiprtcResult err, const std::string& msg, const std::string& ctx)
-{
-    if(err != HIPRTC_SUCCESS)
-        throw std::runtime_error(hiprtc_error(err, msg));
-}
-
-// NOLINTNEXTLINE
-#define RTC_HIPRTC(...) hiprtc_check_error(__VA_ARGS__, #__VA_ARGS__, "Lorem ipsum dolor sit amet")
-
-#define RTC_HIPRTC_THROW(error, msg) throw std::runtime_error(hiprtc_error(error, msg))
-
-struct hiprtc_program_destroy
-{
-    void operator()(hiprtcProgram prog) const { hiprtcDestroyProgram(&prog); }
-};
-
-using hiprtc_program_ptr =
-    std::unique_ptr<std::remove_pointer_t<hiprtcProgram>, hiprtc_program_destroy>;
+void hiprtc_program_destroy(hiprtcProgram prog) { hiprtcDestroyProgram(&prog); }
+using hiprtc_program_ptr = RTC_MANAGE_PTR(hiprtcProgram, hiprtc_program_destroy);
 
 template <class... Ts>
 hiprtc_program_ptr hiprtc_program_create(Ts... xs)
@@ -151,8 +156,7 @@ hiprtc_program_ptr hiprtc_program_create(Ts... xs)
     hiprtcProgram prog = nullptr;
     auto result        = hiprtcCreateProgram(&prog, xs...);
     hiprtc_program_ptr p{prog};
-    if(result != HIPRTC_SUCCESS)
-        RTC_HIPRTC_THROW(result, "Create program failed.");
+    hiprtc_check_error(result, "Create program failed.");
     return p;
 }
 
@@ -193,7 +197,7 @@ struct hiprtc_program
     {
         for(auto&& src : srcs)
         {
-            if(ck::host::EndsWith(src.path, ".cpp"))
+            if(EndsWith(src.path, ".cpp"))
             {
                 cpp_src  = std::move(src.content);
                 cpp_name = std::move(src.path);
@@ -239,11 +243,11 @@ struct hiprtc_program
     std::string log() const
     {
         std::size_t n = 0;
-        RTC_HIPRTC(hiprtcGetProgramLogSize(prog.get(), &n));
+        hiprtc_check_error(hiprtcGetProgramLogSize(prog.get(), &n));
         if(n == 0)
             return {};
         std::string buffer(n, '\0');
-        RTC_HIPRTC(hiprtcGetProgramLog(prog.get(), buffer.data()));
+        hiprtc_check_error(hiprtcGetProgramLog(prog.get(), buffer.data()));
         assert(buffer.back() != 0);
         return buffer;
     }
@@ -251,9 +255,9 @@ struct hiprtc_program
     std::vector<char> get_code_obj() const
     {
         std::size_t n = 0;
-        RTC_HIPRTC(hiprtcGetCodeSize(prog.get(), &n));
+        hiprtc_check_error(hiprtcGetCodeSize(prog.get(), &n));
         std::vector<char> buffer(n);
-        RTC_HIPRTC(hiprtcGetCode(prog.get(), buffer.data()));
+        hiprtc_check_error(hiprtcGetCode(prog.get(), buffer.data()));
         return buffer;
     }
 };
@@ -262,7 +266,7 @@ std::vector<std::vector<char>> compile_hip_src_with_hiprtc(const std::vector<src
                                                            const compile_options& options)
 {
     hiprtc_program prog(srcs);
-    auto flags = ck::host::SplitString(options.flags, ' ');
+    auto flags = SplitString(options.flags, ' ');
     prog.compile(flags);
     return {prog.get_code_obj()};
 }
diff --git a/include/ck/utility/type.hpp b/include/ck/utility/type.hpp
index fb4e706739..8721a4a4a4 100644
--- a/include/ck/utility/type.hpp
+++ b/include/ck/utility/type.hpp
@@ -9,6 +9,7 @@
 
 namespace ck {
 #ifdef __HIPCC_RTC__
+
 template <bool B>
 using bool_constant = integral_constant<bool, B>;
 
@@ -113,51 +114,75 @@ constexpr T&& forward(typename remove_reference<T>::type&& t_) noexcept
     return static_cast<T&&>(t_);
 }
 
-template<class T> struct is_const          : false_type {};
-template<class T> struct is_const<const T> : true_type {};
-template< class T >
+template <class T>
+struct is_const : false_type
+{
+};
+template <class T>
+struct is_const<const T> : true_type
+{
+};
+template <class T>
 inline constexpr bool is_const_v = is_const<T>::value;
 
-template< class T >
+template <class T>
 inline constexpr bool is_reference_v = is_reference<T>::value;
 
-template<class T> struct remove_const { typedef T type; };
-template<class T> struct remove_const<const T> { typedef T type; };
-template< class T >
+template <class T>
+struct remove_const
+{
+    typedef T type;
+};
+template <class T>
+struct remove_const<const T>
+{
+    typedef T type;
+};
+template <class T>
 using remove_const_t = typename remove_const<T>::type;
 
-template< class T >
+template <class T>
 inline constexpr bool is_class_v = is_class<T>::value;
 
-template< class T >
+template <class T>
 inline constexpr bool is_trivially_copyable_v = is_trivially_copyable<T>::value;
 
-template< class... >
+template <class...>
 using void_t = void;
 
-using __hip::declval;
+template <class T, class U = T&&>
+U private_declval(int);
+
+template <class T>
+T private_declval(long);
+
+template <class T>
+auto declval() noexcept -> decltype(private_declval<T>(0));
+
 #else
+
 #include <utility>
 #include <type_traits>
+using std::declval;
+using std::false_type;
 using std::forward;
 using std::is_base_of;
 using std::is_class;
+using std::is_class_v;
+using std::is_const_v;
 using std::is_pointer;
 using std::is_reference;
+using std::is_reference_v;
 using std::is_trivially_copyable;
+using std::is_trivially_copyable_v;
 using std::is_unsigned;
+using std::remove_const_t;
 using std::remove_cv;
 using std::remove_pointer;
 using std::remove_reference;
-using std::is_const_v;
-using std::is_reference_v;
-using std::remove_const_t;
-using std::is_class_v;
-using std::is_trivially_copyable_v;
-using std::void_t;
-using std::false_type;
 using std::true_type;
-using std::declval;
+using std::void_t;
+
 #endif
 
 template <typename X, typename Y>