diff --git a/source/adapters/native_cpu/command_buffer.cpp b/source/adapters/native_cpu/command_buffer.cpp
index f13a57f392..50b38c9d52 100644
--- a/source/adapters/native_cpu/command_buffer.cpp
+++ b/source/adapters/native_cpu/command_buffer.cpp
@@ -133,3 +133,32 @@ UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferEnqueueExp(
                   "implemented for the NativeCPU adapter.");
   return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
 }
+
+UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferAppendMemBufferFillExp(
+    ur_exp_command_buffer_handle_t, ur_mem_handle_t, const void *, size_t,
+    size_t, size_t, uint32_t, const ur_exp_command_buffer_sync_point_t *,
+    ur_exp_command_buffer_sync_point_t *) {
+  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferAppendUSMFillExp(
+    ur_exp_command_buffer_handle_t, void *, const void *, size_t, size_t,
+    uint32_t, const ur_exp_command_buffer_sync_point_t *,
+    ur_exp_command_buffer_sync_point_t *) {
+  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferAppendUSMPrefetchExp(
+    ur_exp_command_buffer_handle_t, const void *, size_t,
+    ur_usm_migration_flags_t, uint32_t,
+    const ur_exp_command_buffer_sync_point_t *,
+    ur_exp_command_buffer_sync_point_t *) {
+  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferAppendUSMAdviseExp(
+    ur_exp_command_buffer_handle_t, const void *, size_t, ur_usm_advice_flags_t,
+    uint32_t, const ur_exp_command_buffer_sync_point_t *,
+    ur_exp_command_buffer_sync_point_t *) {
+  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+}