diff --git a/composable_kernel/include/utility/amd_address_space.hpp b/composable_kernel/include/utility/amd_address_space.hpp
index c5bb1b2cd0..a8010f951c 100644
--- a/composable_kernel/include/utility/amd_address_space.hpp
+++ b/composable_kernel/include/utility/amd_address_space.hpp
@@ -3,6 +3,9 @@
 
 #include "config.hpp"
 
+// Address Space for AMDGCN
+// https://llvm.org/docs/AMDGPUUsage.html#address-space
+
 namespace ck {
 
 enum AddressSpaceEnum_t
@@ -17,15 +20,24 @@ enum AddressSpaceEnum_t
 template <typename T>
 __device__ T* cast_pointer_to_generic_address_space(T CONSTANT* p)
 {
-    return (T*)p;
+    // cast a pointer in "Constant" address space (4) to "Generic" address space (0)
+    // only old style cast seems be able to be compiled
+#pragma clang diagnostic ignored "-Wold-style-cast"
+#pragma clang diagnostic push
+    return (T*)p; // NOLINT(old-style-cast)
+#pragma clang diagnostic pop
 }
 
 template <typename T>
 __host__ __device__ T CONSTANT* cast_pointer_to_constant_address_space(T* p)
 {
-    return (T CONSTANT*)p;
+    // cast a pointer in "Generic" address space (0) to "Constant" address space (4)
+    // only old style cast seems be able to be compiled
+#pragma clang diagnostic ignored "-Wold-style-cast"
+#pragma clang diagnostic push
+    return (T CONSTANT*)p; // NOLINT(old-style-cast)
+#pragma clang diagnostic pop
 }
 
 } // namespace ck
-
 #endif
diff --git a/composable_kernel/include/utility/c_style_pointer_cast.hpp b/composable_kernel/include/utility/c_style_pointer_cast.hpp
new file mode 100644
index 0000000000..f4b4b09a76
--- /dev/null
+++ b/composable_kernel/include/utility/c_style_pointer_cast.hpp
@@ -0,0 +1,20 @@
+#ifndef CK_C_STYLE_POINTER_CAST_HPP
+#define CK_C_STYLE_POINTER_CAST_HPP
+
+#include "type.hpp"
+
+namespace ck {
+
+template <typename PY,
+          typename PX,
+          typename std::enable_if<is_pointer_v<PY> && is_pointer_v<PX>, bool>::type = false>
+__host__ __device__ PY c_style_pointer_cast(PX p_x)
+{
+#pragma clang diagnostic ignored "-Wold-style-cast"
+#pragma clang diagnostic push
+    return (PY)p_x; // NOLINT(old-style-cast)
+#pragma clang diagnostic pop
+}
+
+} // namespace ck
+#endif
diff --git a/composable_kernel/include/utility/common_header.hpp b/composable_kernel/include/utility/common_header.hpp
index 39b400b3cd..c4346e45d0 100644
--- a/composable_kernel/include/utility/common_header.hpp
+++ b/composable_kernel/include/utility/common_header.hpp
@@ -25,6 +25,7 @@
 #include "type.hpp"
 #include "magic_division.hpp"
 #include "utility.hpp"
+#include "c_style_pointer_cast.hpp"
 #include "amd_address_space.hpp"
 #include "amd_buffer_addressing.hpp"
 #include "static_buffer.hpp"
diff --git a/composable_kernel/include/utility/dynamic_buffer.hpp b/composable_kernel/include/utility/dynamic_buffer.hpp
index 34c28d7fef..b41639051f 100644
--- a/composable_kernel/include/utility/dynamic_buffer.hpp
+++ b/composable_kernel/include/utility/dynamic_buffer.hpp
@@ -1,9 +1,10 @@
 #ifndef CK_DYNAMIC_BUFFER_HPP
 #define CK_DYNAMIC_BUFFER_HPP
 
-namespace ck {
-
 #include "amd_buffer_addressing.hpp"
+#include "c_style_pointer_cast.hpp"
+
+namespace ck {
 
 template <AddressSpaceEnum_t BufferAddressSpace, typename T, typename ElementSpaceSize>
 struct DynamicBuffer
@@ -44,20 +45,20 @@ struct DynamicBuffer
         static_assert(scalar_per_x_vector % scalar_per_t_vector == 0,
                       "wrong! X need to be multiple T");
 
-        constexpr index_t t_per_x = scalar_per_x_vector / scalar_per_t_vector;
-
         if constexpr(GetAddressSpace() == AddressSpaceEnum_t::Global)
         {
 #if CK_USE_AMD_BUFFER_ADDRESSING
+            constexpr index_t t_per_x = scalar_per_x_vector / scalar_per_t_vector;
+
             return amd_buffer_load_v2<remove_cv_t<remove_reference_t<T>>, t_per_x>(
                 p_data_, i, is_valid_offset, element_space_size_);
 #else
-            return is_valid_offset ? *reinterpret_cast<const X*>(&p_data_[i]) : X{0};
+            return is_valid_offset ? *c_style_pointer_cast<const X*>(&p_data_[i]) : X{0};
 #endif
         }
         else
         {
-            return is_valid_offset ? *reinterpret_cast<const X*>(&p_data_[i]) : X{0};
+            return is_valid_offset ? *c_style_pointer_cast<const X*>(&p_data_[i]) : X{0};
         }
     }
 
@@ -78,17 +79,17 @@ struct DynamicBuffer
         static_assert(scalar_per_x_vector % scalar_per_t_vector == 0,
                       "wrong! X need to be multiple T");
 
-        constexpr index_t t_per_x = scalar_per_x_vector / scalar_per_t_vector;
-
         if constexpr(GetAddressSpace() == AddressSpaceEnum_t::Global)
         {
 #if CK_USE_AMD_BUFFER_ADDRESSING
+            constexpr index_t t_per_x = scalar_per_x_vector / scalar_per_t_vector;
+
             amd_buffer_store_v2<remove_cv_t<remove_reference_t<T>>, t_per_x>(
                 x, p_data_, i, is_valid_offset, element_space_size_);
 #else
             if(is_valid_offset)
             {
-                *reinterpret_cast<X*>(&p_data_[i]) = x;
+                *c_style_pointer_cast<X*>(&p_data_[i]) = x;
             }
 #endif
         }
@@ -97,7 +98,7 @@ struct DynamicBuffer
             if(is_valid_offset)
             {
 #if !CK_WORKAROUND_SWDEV_XXXXXX_INT8_DS_WRITE_ISSUE
-                *reinterpret_cast<X*>(&p_data_[i]) = x;
+                *c_style_pointer_cast<X*>(&p_data_[i]) = x;
 #else
                 // HACK: compiler would lower IR "store<i8, 16> address_space(3)" into
                 // inefficient
@@ -128,24 +129,24 @@ struct DynamicBuffer
                     {
                         // HACK: cast pointer of x is bad
                         // TODO: remove this after compiler fix
-                        *reinterpret_cast<int8_t*>(&p_data_[i]) =
-                            *reinterpret_cast<const int8_t*>(&x);
+                        *c_style_pointer_cast<int8_t*>(&p_data_[i]) =
+                            *c_style_pointer_cast<const int8_t*>(&x);
                     }
                     else if constexpr(is_same<remove_cv_t<remove_reference_t<T>>, int8_t>::value &&
                                       is_same<remove_cv_t<remove_reference_t<X>>, int8x2_t>::value)
                     {
                         // HACK: cast pointer of x is bad
                         // TODO: remove this after compiler fix
-                        *reinterpret_cast<int16_t*>(&p_data_[i]) =
-                            *reinterpret_cast<const int16_t*>(&x);
+                        *c_style_pointer_cast<int16_t*>(&p_data_[i]) =
+                            *c_style_pointer_cast<const int16_t*>(&x);
                     }
                     else if constexpr(is_same<remove_cv_t<remove_reference_t<T>>, int8_t>::value &&
                                       is_same<remove_cv_t<remove_reference_t<X>>, int8x4_t>::value)
                     {
                         // HACK: cast pointer of x is bad
                         // TODO: remove this after compiler fix
-                        *reinterpret_cast<int32_t*>(&p_data_[i]) =
-                            *reinterpret_cast<const int32_t*>(&x);
+                        *c_style_pointer_cast<int32_t*>(&p_data_[i]) =
+                            *c_style_pointer_cast<const int32_t*>(&x);
                     }
                     else if constexpr(is_same<remove_cv_t<remove_reference_t<T>>,
                                               int8x4_t>::value &&
@@ -153,8 +154,8 @@ struct DynamicBuffer
                     {
                         // HACK: cast pointer of x is bad
                         // TODO: remove this after compiler fix
-                        *reinterpret_cast<int32_t*>(&p_data_[i]) =
-                            *reinterpret_cast<const int32_t*>(&x);
+                        *c_style_pointer_cast<int32_t*>(&p_data_[i]) =
+                            *c_style_pointer_cast<const int32_t*>(&x);
                     }
                     else if constexpr(is_same<remove_cv_t<remove_reference_t<T>>,
                                               int8x8_t>::value &&
@@ -162,8 +163,8 @@ struct DynamicBuffer
                     {
                         // HACK: cast pointer of x is bad
                         // TODO: remove this after compiler fix
-                        *reinterpret_cast<int32x2_t*>(&p_data_[i]) =
-                            *reinterpret_cast<const int32x2_t*>(&x);
+                        *c_style_pointer_cast<int32x2_t*>(&p_data_[i]) =
+                            *c_style_pointer_cast<const int32x2_t*>(&x);
                     }
                     else if constexpr(is_same<remove_cv_t<remove_reference_t<T>>,
                                               int8x16_t>::value &&
@@ -171,13 +172,13 @@ struct DynamicBuffer
                     {
                         // HACK: cast pointer of x is bad
                         // TODO: remove this after compiler fix
-                        *reinterpret_cast<int32x4_t*>(&p_data_[i]) =
-                            *reinterpret_cast<const int32x4_t*>(&x);
+                        *c_style_pointer_cast<int32x4_t*>(&p_data_[i]) =
+                            *c_style_pointer_cast<const int32x4_t*>(&x);
                     }
                 }
                 else
                 {
-                    *reinterpret_cast<X*>(&p_data_[i]) = x;
+                    *c_style_pointer_cast<X*>(&p_data_[i]) = x;
                 }
 #endif
             }
@@ -186,7 +187,7 @@ struct DynamicBuffer
         {
             if(is_valid_offset)
             {
-                *reinterpret_cast<X*>(&p_data_[i]) = x;
+                *c_style_pointer_cast<X*>(&p_data_[i]) = x;
             }
         }
     }
diff --git a/composable_kernel/include/utility/type.hpp b/composable_kernel/include/utility/type.hpp
index 32f7dfb569..12ed435658 100644
--- a/composable_kernel/include/utility/type.hpp
+++ b/composable_kernel/include/utility/type.hpp
@@ -22,10 +22,7 @@ template <typename T>
 using remove_cv_t = typename std::remove_cv<T>::type;
 
 template <typename T>
-constexpr std::remove_reference_t<T>&& move(T&& t) noexcept
-{
-    return static_cast<typename std::remove_reference<T>::type&&>(t);
-}
+inline constexpr bool is_pointer_v = std::is_pointer<T>::value;
 
 template <typename T>
 struct is_known_at_compile_time;
diff --git a/host/driver_offline/include/device_dynamic_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk.hpp b/host/driver_offline/include/device_dynamic_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk.hpp
index e1c6db8045..85c418c52f 100644
--- a/host/driver_offline/include/device_dynamic_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk.hpp
+++ b/host/driver_offline/include/device_dynamic_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk.hpp
@@ -290,9 +290,6 @@ void device_dynamic_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_k
             const auto K = out_n_ho_wo_k_lengths[I3];
             const auto C = wei_k_y_x_c_lengths[I3];
 
-            const auto Hi = in_n_hi_wi_c_lengths[I1];
-            const auto Wi = in_n_hi_wi_c_lengths[I2];
-
             const auto Ho = out_n_ho_wo_k_lengths[I1];
             const auto Wo = out_n_ho_wo_k_lengths[I2];