diff --git a/level_zero/core/source/cmdlist/cmdlist_extended/cmdlist_extended.inl b/level_zero/core/source/cmdlist/cmdlist_extended/cmdlist_extended.inl
index f201dc2216..f12cbf618b 100644
--- a/level_zero/core/source/cmdlist/cmdlist_extended/cmdlist_extended.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_extended/cmdlist_extended.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2020-2024 Intel Corporation
+ * Copyright (C) 2020-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/command_stream/linear_stream.h"
 
 #include "level_zero/core/source/cmdlist/cmdlist_hw.h"
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw_dg2_and_pvc.inl b/level_zero/core/source/cmdlist/cmdlist_hw_dg2_and_pvc.inl
index 1135c7c157..a5e9a61551 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw_dg2_and_pvc.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw_dg2_and_pvc.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2023-2024 Intel Corporation
+ * Copyright (C) 2023-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "level_zero/core/source/cmdlist/cmdlist_hw.h"
 
 namespace L0 {
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw_immediate.inl b/level_zero/core/source/cmdlist/cmdlist_hw_immediate.inl
index 7b3a6bc395..1fb4cbae9b 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw_immediate.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw_immediate.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/assert_handler/assert_handler.h"
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_container/encode_surface_state.h"
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw_skl_to_tgllp.inl b/level_zero/core/source/cmdlist/cmdlist_hw_skl_to_tgllp.inl
index a86f7368bc..33bbe1e5f1 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw_skl_to_tgllp.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw_skl_to_tgllp.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_stream/linear_stream.h"
 #include "shared/source/command_stream/preemption.h"
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw_xe2_hpg_and_later.inl b/level_zero/core/source/cmdlist/cmdlist_hw_xe2_hpg_and_later.inl
index 049f42bb08..13aa2401d1 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw_xe2_hpg_and_later.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw_xe2_hpg_and_later.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2024 Intel Corporation
+ * Copyright (C) 2024-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "level_zero/core/source/cmdlist/cmdlist_hw.h"
 #include "level_zero/core/source/kernel/kernel.h"
 
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw_xe_hpc_and_later.inl b/level_zero/core/source/cmdlist/cmdlist_hw_xe_hpc_and_later.inl
index 619cf1b21a..2c957e16e0 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw_xe_hpc_and_later.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw_xe_hpc_and_later.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2023 Intel Corporation
+ * Copyright (C) 2023-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/helpers/gfx_core_helper.h"
 #include "shared/source/helpers/pipe_control_args.h"
 
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw_xehp_and_later.inl b/level_zero/core/source/cmdlist/cmdlist_hw_xehp_and_later.inl
index 6c47998abb..94e8bee896 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw_xehp_and_later.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw_xehp_and_later.inl
@@ -5,7 +5,6 @@
  *
  */
 
-#pragma once
 #include "shared/source/command_container/encode_surface_state.h"
 #include "shared/source/command_container/implicit_scaling.h"
 #include "shared/source/command_stream/preemption.h"
diff --git a/level_zero/core/source/cmdqueue/cmdqueue_hw.inl b/level_zero/core/source/cmdqueue/cmdqueue_hw.inl
index 79f17127cf..42db4fd2b7 100644
--- a/level_zero/core/source/cmdqueue/cmdqueue_hw.inl
+++ b/level_zero/core/source/cmdqueue/cmdqueue_hw.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/built_ins/built_ins.h"
 #include "shared/source/built_ins/sip.h"
 #include "shared/source/command_container/command_encoder.h"
diff --git a/level_zero/core/source/cmdqueue/cmdqueue_hw_skl_to_tgllp.inl b/level_zero/core/source/cmdqueue/cmdqueue_hw_skl_to_tgllp.inl
index 6d8e287a6a..f4087aa96c 100644
--- a/level_zero/core/source/cmdqueue/cmdqueue_hw_skl_to_tgllp.inl
+++ b/level_zero/core/source/cmdqueue/cmdqueue_hw_skl_to_tgllp.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/command_container/cmdcontainer.h"
 #include "shared/source/command_container/encode_surface_state.h"
 #include "shared/source/command_stream/linear_stream.h"
diff --git a/level_zero/core/source/image/image_hw.inl b/level_zero/core/source/image/image_hw.inl
index c41c9a45ca..76a7039e47 100644
--- a/level_zero/core/source/image/image_hw.inl
+++ b/level_zero/core/source/image/image_hw.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/command_container/encode_surface_state.h"
 #include "shared/source/device/device.h"
 #include "shared/source/execution_environment/root_device_environment.h"
diff --git a/level_zero/core/source/sampler/sampler_hw.inl b/level_zero/core/source/sampler/sampler_hw.inl
index ddd5e07841..1698b0e223 100644
--- a/level_zero/core/source/sampler/sampler_hw.inl
+++ b/level_zero/core/source/sampler/sampler_hw.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2020-2024 Intel Corporation
+ * Copyright (C) 2020-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/device/device.h"
 #include "shared/source/execution_environment/root_device_environment.h"
 #include "shared/source/helpers/ptr_math.h"
diff --git a/opencl/source/command_queue/gpgpu_walker_base.inl b/opencl/source/command_queue/gpgpu_walker_base.inl
index 8efda0553f..791832fa73 100644
--- a/opencl/source/command_queue/gpgpu_walker_base.inl
+++ b/opencl/source/command_queue/gpgpu_walker_base.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2018-2024 Intel Corporation
+ * Copyright (C) 2018-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_stream/command_stream_receiver.h"
 #include "shared/source/helpers/aligned_memory.h"
diff --git a/opencl/source/command_queue/gpgpu_walker_xehp_and_later.inl b/opencl/source/command_queue/gpgpu_walker_xehp_and_later.inl
index 882f6290e0..adf7f86e86 100644
--- a/opencl/source/command_queue/gpgpu_walker_xehp_and_later.inl
+++ b/opencl/source/command_queue/gpgpu_walker_xehp_and_later.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2021-2024 Intel Corporation
+ * Copyright (C) 2021-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/command_container/implicit_scaling.h"
 #include "shared/source/debug_settings/debug_settings_manager.h"
 #include "shared/source/execution_environment/root_device_environment.h"
diff --git a/opencl/source/command_queue/hardware_interface_base.inl b/opencl/source/command_queue/hardware_interface_base.inl
index 802796ec2f..6a540fad30 100644
--- a/opencl/source/command_queue/hardware_interface_base.inl
+++ b/opencl/source/command_queue/hardware_interface_base.inl
@@ -5,7 +5,6 @@
  *
  */
 
-#pragma once
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/direct_submission/relaxed_ordering_helper.h"
 #include "shared/source/helpers/gfx_core_helper.h"
diff --git a/opencl/source/command_queue/hardware_interface_xehp_and_later.inl b/opencl/source/command_queue/hardware_interface_xehp_and_later.inl
index 4f9b68adaa..8bef16a864 100644
--- a/opencl/source/command_queue/hardware_interface_xehp_and_later.inl
+++ b/opencl/source/command_queue/hardware_interface_xehp_and_later.inl
@@ -5,7 +5,6 @@
  *
  */
 
-#pragma once
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_container/implicit_scaling.h"
 #include "shared/source/command_stream/command_stream_receiver.h"
diff --git a/opencl/source/helpers/hardware_commands_helper_xehp_and_later.inl b/opencl/source/helpers/hardware_commands_helper_xehp_and_later.inl
index 41b560cd68..894b63f344 100644
--- a/opencl/source/helpers/hardware_commands_helper_xehp_and_later.inl
+++ b/opencl/source/helpers/hardware_commands_helper_xehp_and_later.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2021-2024 Intel Corporation
+ * Copyright (C) 2021-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/helpers/flat_batch_buffer_helper.h"
 #include "shared/source/helpers/gfx_core_helper.h"
 #include "shared/source/helpers/l3_range.h"
diff --git a/opencl/source/sharings/sharing_factory.inl b/opencl/source/sharings/sharing_factory.inl
index 616103c4ad..942c7a88f8 100644
--- a/opencl/source/sharings/sharing_factory.inl
+++ b/opencl/source/sharings/sharing_factory.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "opencl/source/sharings/sharing_factory.h"
 
 namespace NEO {
diff --git a/opencl/test/unit_test/kernel/cache_flush_tests.inl b/opencl/test/unit_test/kernel/cache_flush_tests.inl
index 45b998fd2c..3fbffa69f1 100644
--- a/opencl/test/unit_test/kernel/cache_flush_tests.inl
+++ b/opencl/test/unit_test/kernel/cache_flush_tests.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2021-2023 Intel Corporation
+ * Copyright (C) 2021-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/helpers/l3_range.h"
 #include "shared/source/memory_manager/memory_manager.h"
 #include "shared/source/memory_manager/unified_memory_manager.h"
diff --git a/shared/source/command_container/command_encoder.inl b/shared/source/command_container/command_encoder.inl
index f5bb8314be..21beb6204c 100644
--- a/shared/source/command_container/command_encoder.inl
+++ b/shared/source/command_container/command_encoder.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2020-2024 Intel Corporation
+ * Copyright (C) 2020-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_container/implicit_scaling.h"
 #include "shared/source/command_stream/linear_stream.h"
diff --git a/shared/source/command_container/command_encoder_enablers.inl b/shared/source/command_container/command_encoder_enablers.inl
index a251da2d6a..964be1eb76 100644
--- a/shared/source/command_container/command_encoder_enablers.inl
+++ b/shared/source/command_container/command_encoder_enablers.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/command_container/command_encoder.h"
 
 template struct NEO::EncodeDispatchKernel<Family>;
diff --git a/shared/source/command_container/command_encoder_tgllp_and_later.inl b/shared/source/command_container/command_encoder_tgllp_and_later.inl
index cc40f89937..668f8d79f3 100644
--- a/shared/source/command_container/command_encoder_tgllp_and_later.inl
+++ b/shared/source/command_container/command_encoder_tgllp_and_later.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2020-2024 Intel Corporation
+ * Copyright (C) 2020-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_stream/linear_stream.h"
 #include "shared/source/helpers/gfx_core_helper.h"
diff --git a/shared/source/command_container/command_encoder_xehp_and_later.inl b/shared/source/command_container/command_encoder_xehp_and_later.inl
index 497c03a8a6..a5f4dd3d77 100644
--- a/shared/source/command_container/command_encoder_xehp_and_later.inl
+++ b/shared/source/command_container/command_encoder_xehp_and_later.inl
@@ -5,7 +5,6 @@
  *
  */
 
-#pragma once
 #include "shared/source/command_container/command_encoder.h"
 #include "shared/source/command_container/implicit_scaling.h"
 #include "shared/source/command_stream/command_stream_receiver.h"
diff --git a/shared/source/command_stream/definitions/command_stream_receiver_hw_ext.inl b/shared/source/command_stream/definitions/command_stream_receiver_hw_ext.inl
index e33dd278c1..2faeb8fa0c 100644
--- a/shared/source/command_stream/definitions/command_stream_receiver_hw_ext.inl
+++ b/shared/source/command_stream/definitions/command_stream_receiver_hw_ext.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2019-2020 Intel Corporation
+ * Copyright (C) 2019-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/command_stream/command_stream_receiver_hw.h"
 #include "shared/source/command_stream/csr_definitions.h"
 #include "shared/source/command_stream/linear_stream.h"
diff --git a/shared/source/compiler_interface/compiler_interface.inl b/shared/source/compiler_interface/compiler_interface.inl
index 2c7addc088..bb6f89aafb 100644
--- a/shared/source/compiler_interface/compiler_interface.inl
+++ b/shared/source/compiler_interface/compiler_interface.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2018-2024 Intel Corporation
+ * Copyright (C) 2018-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/debug_settings/debug_settings_manager.h"
 #include "shared/source/helpers/debug_helpers.h"
 #include "shared/source/helpers/validators.h"
diff --git a/shared/source/helpers/compiler_product_helper_base.inl b/shared/source/helpers/compiler_product_helper_base.inl
index 357c28c578..60c5e91e10 100644
--- a/shared/source/helpers/compiler_product_helper_base.inl
+++ b/shared/source/helpers/compiler_product_helper_base.inl
@@ -5,8 +5,6 @@
  *
  */
 
-#pragma once
-
 #include "shared/source/debug_settings/debug_settings_manager.h"
 #include "shared/source/helpers/cache_policy.h"
 #include "shared/source/helpers/compiler_product_helper.h"
diff --git a/shared/source/helpers/compiler_product_helper_before_xe_hpc.inl b/shared/source/helpers/compiler_product_helper_before_xe_hpc.inl
index a8419c4ee4..d3970c5398 100644
--- a/shared/source/helpers/compiler_product_helper_before_xe_hpc.inl
+++ b/shared/source/helpers/compiler_product_helper_before_xe_hpc.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2022-2024 Intel Corporation
+ * Copyright (C) 2022-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/helpers/compiler_product_helper.h"
 
 namespace NEO {
diff --git a/shared/source/helpers/compiler_product_helper_tgllp_and_later.inl b/shared/source/helpers/compiler_product_helper_tgllp_and_later.inl
index 72c35152eb..22491eaad4 100644
--- a/shared/source/helpers/compiler_product_helper_tgllp_and_later.inl
+++ b/shared/source/helpers/compiler_product_helper_tgllp_and_later.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2023 Intel Corporation
+ * Copyright (C) 2023-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/helpers/compiler_product_helper.h"
 
 namespace NEO {
diff --git a/shared/source/helpers/compiler_product_helper_xe_hpc_and_later.inl b/shared/source/helpers/compiler_product_helper_xe_hpc_and_later.inl
index 56d13db82a..de40e49502 100644
--- a/shared/source/helpers/compiler_product_helper_xe_hpc_and_later.inl
+++ b/shared/source/helpers/compiler_product_helper_xe_hpc_and_later.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2022-2024 Intel Corporation
+ * Copyright (C) 2022-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 #include "shared/source/debug_settings/debug_settings_manager.h"
 #include "shared/source/helpers/compiler_product_helper.h"
 
diff --git a/shared/source/os_interface/product_helper_xe2_and_later.inl b/shared/source/os_interface/product_helper_xe2_and_later.inl
index 5fc83cfe6b..90cc8258c3 100644
--- a/shared/source/os_interface/product_helper_xe2_and_later.inl
+++ b/shared/source/os_interface/product_helper_xe2_and_later.inl
@@ -5,7 +5,6 @@
  *
  */
 
-#pragma once
 #include "shared/source/debug_settings/debug_settings_manager.h"
 #include "shared/source/os_interface/product_helper.h"
 #include "shared/source/os_interface/product_helper_hw.h"
diff --git a/shared/test/common/helpers/mock_product_helper_hw.inl b/shared/test/common/helpers/mock_product_helper_hw.inl
index e66236786c..403b67900a 100644
--- a/shared/test/common/helpers/mock_product_helper_hw.inl
+++ b/shared/test/common/helpers/mock_product_helper_hw.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2022-2024 Intel Corporation
+ * Copyright (C) 2022-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/source/release_helper/release_helper.h"
 
 namespace NEO {
diff --git a/shared/test/common/os_interface/linux/xe/mock_drm_xe.inl b/shared/test/common/os_interface/linux/xe/mock_drm_xe.inl
index fe702c8b7e..47daa9a4f8 100644
--- a/shared/test/common/os_interface/linux/xe/mock_drm_xe.inl
+++ b/shared/test/common/os_interface/linux/xe/mock_drm_xe.inl
@@ -1,12 +1,10 @@
 /*
- * Copyright (C) 2024 Intel Corporation
+ * Copyright (C) 2024-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
-
 inline constexpr int testValueVmId = 0x5764;
 inline constexpr int testValueMapOff = 0x7788;
 inline constexpr int testValuePrime = 0x4321;
diff --git a/shared/test/common/test_configuration/aub_tests/aub_tests_configuration.inl b/shared/test/common/test_configuration/aub_tests/aub_tests_configuration.inl
index 7881a71323..47db5cb431 100644
--- a/shared/test/common/test_configuration/aub_tests/aub_tests_configuration.inl
+++ b/shared/test/common/test_configuration/aub_tests/aub_tests_configuration.inl
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
  */
 
-#pragma once
 #include "shared/test/common/test_configuration/aub_tests/aub_tests_configuration.h"
 
 template <typename GfxFamily>
@@ -13,4 +12,4 @@ AubTestsConfig getAubTestsConfig() {
     AubTestsConfig aubTestsConfig;
     aubTestsConfig.testCanonicalAddress = true;
     return aubTestsConfig;
-}
\ No newline at end of file
+}