diff --git a/src/gpu/intel/sycl/compat.cpp b/src/gpu/intel/sycl/compat.cpp
index 173bd21c22f..ce921c50156 100644
--- a/src/gpu/intel/sycl/compat.cpp
+++ b/src/gpu/intel/sycl/compat.cpp
@@ -96,16 +96,8 @@ status_t make_kernel(std::unique_ptr<::sycl::kernel> &sycl_kernel,
 uint64_t init_extensions(const ::sycl::device &dev) {
     uint64_t extensions = 0;
 
-#if DNNL_USE_SYCL121_API
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
-    constexpr auto base_atomics_aspect = ::sycl::aspect::int64_base_atomics;
-    constexpr auto extended_atomics_aspect
-            = ::sycl::aspect::int64_extended_atomics;
-#else
     constexpr auto base_atomics_aspect = ::sycl::aspect::atomic64;
     constexpr auto extended_atomics_aspect = ::sycl::aspect::atomic64;
-#endif
 
     for (uint64_t i_ext = 1; i_ext < (uint64_t)device_ext_t::last;
             i_ext <<= 1) {
@@ -142,9 +134,7 @@ uint64_t init_extensions(const ::sycl::device &dev) {
         }
         if (is_ext_supported) extensions |= i_ext;
     }
-#if DNNL_USE_SYCL121_API
-#pragma clang diagnostic pop
-#endif
+
     return extensions;
 }
 
diff --git a/src/graph/utils/sycl_check.hpp b/src/graph/utils/sycl_check.hpp
index 67620a2a4d0..7d780606d94 100644
--- a/src/graph/utils/sycl_check.hpp
+++ b/src/graph/utils/sycl_check.hpp
@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright 2023 Intel Corporation
+* Copyright 2023-2024 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -26,18 +26,8 @@
 #error "Unsupported compiler"
 #endif
 
-#if defined(__INTEL_LLVM_COMPILER)
-#if (__INTEL_LLVM_COMPILER < 20230000)
-#define DNNL_USE_SYCL121_API 1
-#else
-#define DNNL_USE_SYCL121_API 0
-#endif
-#elif defined(__LIBSYCL_MAJOR_VERSION)
-#if (__LIBSYCL_MAJOR_VERSION < 6)
-#define DNNL_USE_SYCL121_API 1
-#else
-#define DNNL_USE_SYCL121_API 0
-#endif
+#if defined(__INTEL_LLVM_COMPILER) && __INTEL_LLVM_COMPILER >= 20230000
+#elif defined(__LIBSYCL_MAJOR_VERSION) && __LIBSYCL_MAJOR_VERSION >= 6
 #else
 #error "Unsupported compiler"
 #endif
diff --git a/src/xpu/sycl/compat.hpp b/src/xpu/sycl/compat.hpp
index fa5ebf680f8..d5ad3e0b909 100644
--- a/src/xpu/sycl/compat.hpp
+++ b/src/xpu/sycl/compat.hpp
@@ -58,20 +58,6 @@ inline void host_task(H &cgh, F &&f) {
 
 constexpr auto target_device = ::sycl::target::device;
 
-#if DNNL_USE_SYCL121_API
-template <typename T, int dims>
-using local_accessor = ::sycl::accessor<T, dims,
-        ::sycl::access::mode::read_write, ::sycl::access::target::local>;
-
-constexpr auto ext_intel_gpu_slices
-        = ::sycl::info::device::ext_intel_gpu_slices;
-constexpr auto ext_intel_gpu_subslices_per_slice
-        = ::sycl::info::device::ext_intel_gpu_subslices_per_slice;
-
-const auto cpu_selector_v = ::sycl::cpu_selector {};
-const auto gpu_selector_v = ::sycl::gpu_selector {};
-#else
-
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
 template <typename T, int dims>
@@ -86,8 +72,6 @@ using ext_intel_gpu_subslices_per_slice
 inline const auto &cpu_selector_v = ::sycl::cpu_selector_v;
 inline const auto &gpu_selector_v = ::sycl::gpu_selector_v;
 
-#endif
-
 } // namespace compat
 } // namespace sycl
 } // namespace xpu
diff --git a/src/xpu/sycl/utils.hpp b/src/xpu/sycl/utils.hpp
index 29967170834..1598fadc1ad 100644
--- a/src/xpu/sycl/utils.hpp
+++ b/src/xpu/sycl/utils.hpp
@@ -30,18 +30,8 @@
 #error "Unsupported compiler"
 #endif
 
-#if defined(__INTEL_LLVM_COMPILER)
-#if (__INTEL_LLVM_COMPILER < 20230000)
-#define DNNL_USE_SYCL121_API 1
-#else
-#define DNNL_USE_SYCL121_API 0
-#endif
-#elif defined(__LIBSYCL_MAJOR_VERSION)
-#if (__LIBSYCL_MAJOR_VERSION < 6)
-#define DNNL_USE_SYCL121_API 1
-#else
-#define DNNL_USE_SYCL121_API 0
-#endif
+#if defined(__INTEL_LLVM_COMPILER) && __INTEL_LLVM_COMPILER >= 20230000
+#elif defined(__LIBSYCL_MAJOR_VERSION) && __LIBSYCL_MAJOR_VERSION >= 6
 #else
 #error "Unsupported compiler"
 #endif
diff --git a/tests/benchdnn/dnnl_common.cpp b/tests/benchdnn/dnnl_common.cpp
index 02bead235d6..a400115cc43 100644
--- a/tests/benchdnn/dnnl_common.cpp
+++ b/tests/benchdnn/dnnl_common.cpp
@@ -889,11 +889,7 @@ bool is_f64_supported(const dnnl_engine_t &engine) {
     if (is_sycl_engine(engine)) {
         auto eng = dnnl::engine(engine, true);
         auto dev = dnnl::sycl_interop::get_device(eng);
-#ifdef DNNL_SYCL_INTEROP_USE_SYCL121
-        return dev.has_extension("cl_khr_fp64");
-#else
         return dev.has(::sycl::aspect::fp64);
-#endif
     }
 #endif
 #if DNNL_GPU_RUNTIME == DNNL_RUNTIME_OCL
diff --git a/tests/benchdnn/dnnl_memory.cpp b/tests/benchdnn/dnnl_memory.cpp
index 00b9dc86581..a261ffaf14b 100644
--- a/tests/benchdnn/dnnl_memory.cpp
+++ b/tests/benchdnn/dnnl_memory.cpp
@@ -489,12 +489,7 @@ void dnn_mem_t::memset(int value, size_t size) const {
                 auto &buf = *static_cast<::sycl::buffer<uint8_t, 1> *>(
                         mem_handle);
                 queue.submit([&](::sycl::handler &cgh) {
-#ifdef DNNL_SYCL_INTEROP_USE_SYCL121
-                    constexpr auto target_device
-                            = ::sycl::target::global_buffer;
-#else
                     constexpr auto target_device = ::sycl::target::device;
-#endif
                     ::sycl::accessor<uint8_t, 1, ::sycl::access::mode::write,
                             target_device>
                             acc(buf, cgh);