diff --git a/runtime/os_interface/debug_variables_base.inl b/runtime/os_interface/debug_variables_base.inl
index 3e84c97c28..0735288b11 100644
--- a/runtime/os_interface/debug_variables_base.inl
+++ b/runtime/os_interface/debug_variables_base.inl
@@ -102,7 +102,7 @@ DECLARE_DEBUG_VARIABLE(bool, AddClGlSharing, false, "Add cl-gl extension")
 DECLARE_DEBUG_VARIABLE(bool, EnablePassInlineData, false, "Enable passing of inline data")
 DECLARE_DEBUG_VARIABLE(bool, EnableFormatQuery, false, "Enable sharing format querying")
 DECLARE_DEBUG_VARIABLE(bool, AllowOpenFdOperations, false, "When enabled driver is allowed to call DRM_IOCTL_PRIME_HANDLE_TO_FD.")
-DECLARE_DEBUG_VARIABLE(bool, EnableBlitterOperationsForReadWriteBuffers, true, "Use Blitter engine for Read/Write Buffers operations")
+DECLARE_DEBUG_VARIABLE(bool, EnableBlitterOperationsForReadWriteBuffers, false, "Use Blitter engine for Read/Write Buffers operations")
 DECLARE_DEBUG_VARIABLE(bool, EnableFreeMemory, false, "Enable freeMemory in memory manager")
 DECLARE_DEBUG_VARIABLE(int32_t, EnableCacheFlushAfterWalker, -1, "-1: platform behavior, 0: disabled, 1: enabled. Adds dedicated cache flush command after WALKER command when surfaces used by kernel require to flush the cache")
 DECLARE_DEBUG_VARIABLE(int32_t, EnableLocalMemory, -1, "-1: default behavior, 0: disabled, 1: enabled, Allows allocating graphics memory in Local Memory")
diff --git a/unit_tests/scenarios/windows/enqueue_read_write_buffer_scenarios_windows_tests.cpp b/unit_tests/scenarios/windows/enqueue_read_write_buffer_scenarios_windows_tests.cpp
index f6cd5dcbfd..4552c517d0 100644
--- a/unit_tests/scenarios/windows/enqueue_read_write_buffer_scenarios_windows_tests.cpp
+++ b/unit_tests/scenarios/windows/enqueue_read_write_buffer_scenarios_windows_tests.cpp
@@ -10,7 +10,6 @@
 #include "runtime/os_interface/windows/wddm_device_command_stream.h"
 #include "test.h"
 #include "unit_tests/fixtures/buffer_fixture.h"
-#include "unit_tests/helpers/debug_manager_state_restore.h"
 #include "unit_tests/helpers/execution_environment_helper.h"
 #include "unit_tests/helpers/hw_parse.h"
 #include "unit_tests/mocks/mock_command_queue.h"
@@ -26,7 +25,6 @@ struct EnqueueBufferWindowsTest : public HardwareParse,
     }
 
     void SetUp() override {
-        DebugManager.flags.EnableBlitterOperationsForReadWriteBuffers.set(false);
         executionEnvironment = getExecutionEnvironmentImpl(hwInfo);
     }
 
@@ -63,7 +61,6 @@ struct EnqueueBufferWindowsTest : public HardwareParse,
     }
 
   protected:
-    DebugManagerStateRestore restore;
     HardwareInfo hardwareInfo;
     HardwareInfo *hwInfo = nullptr;
     ExecutionEnvironment *executionEnvironment;
diff --git a/unit_tests/test_files/igdrcl.config b/unit_tests/test_files/igdrcl.config
index 9e0db34dbb..dec7ae70da 100644
--- a/unit_tests/test_files/igdrcl.config
+++ b/unit_tests/test_files/igdrcl.config
@@ -111,7 +111,7 @@ DisableDcFlushInEpilogue = 0
 OverrideInvalidEngineWithDefault = 0
 EnableFormatQuery = 0
 AllowOpenFdOperations = 0
-EnableBlitterOperationsForReadWriteBuffers = 1
+EnableBlitterOperationsForReadWriteBuffers = 0
 DisableAuxTranslation = 0
 EnableFreeMemory = 0
 AllocateSharedAllocationsWithCpuAndGpuStorage = 0