diff --git a/level_zero/core/test/unit_tests/xe_hp_core/test_cmdlist_xe_hp_core.cpp b/level_zero/core/test/unit_tests/xe_hp_core/test_cmdlist_xe_hp_core.cpp
index cdd6026d10..a026a89836 100644
--- a/level_zero/core/test/unit_tests/xe_hp_core/test_cmdlist_xe_hp_core.cpp
+++ b/level_zero/core/test/unit_tests/xe_hp_core/test_cmdlist_xe_hp_core.cpp
@@ -469,7 +469,6 @@ HWTEST2_F(CommandListAppendLaunchKernel, givenEventWhenInvokingAppendLaunchKerne
         auto &postSync = cmd->getPostSync();
         EXPECT_EQ(POSTSYNC_DATA::OPERATION_WRITE_IMMEDIATE_DATA, postSync.getOperation());
         EXPECT_EQ(gpuAddress, postSync.getDestinationAddress());
-        EXPECT_EQ(true, postSync.getL3Flush());
         postSyncFound = true;
     }
     EXPECT_TRUE(postSyncFound);
@@ -516,7 +515,6 @@ HWTEST2_F(CommandListAppendLaunchKernel, givenTimestampEventWhenInvokingAppendLa
         auto &postSync = cmd->getPostSync();
         EXPECT_EQ(POSTSYNC_DATA::OPERATION_WRITE_TIMESTAMP, postSync.getOperation());
         EXPECT_EQ(gpuAddress, postSync.getDestinationAddress());
-        EXPECT_EQ(false, postSync.getL3Flush());
         postSyncFound = true;
     }
     EXPECT_TRUE(postSyncFound);
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 03eb143375..4053336648 100644
--- a/shared/source/command_container/command_encoder_xehp_and_later.inl
+++ b/shared/source/command_container/command_encoder_xehp_and_later.inl
@@ -238,7 +238,6 @@ void EncodeDispatchKernel<Family>::encode(CommandContainer &container,
     auto &postSync = walkerCmd.getPostSync();
     if (eventAddress != 0) {
         postSync.setDataportPipelineFlush(true);
-        postSync.setL3Flush(L3FlushEnable);
         if (isTimestampEvent) {
             postSync.setOperation(POSTSYNC_DATA::OPERATION_WRITE_TIMESTAMP);
         } else {
diff --git a/shared/source/generated/xe_hp_core/hw_cmds_generated_xe_hp_core.inl b/shared/source/generated/xe_hp_core/hw_cmds_generated_xe_hp_core.inl
index e7e9731aaa..ee5b245fae 100644
--- a/shared/source/generated/xe_hp_core/hw_cmds_generated_xe_hp_core.inl
+++ b/shared/source/generated/xe_hp_core/hw_cmds_generated_xe_hp_core.inl
@@ -5103,7 +5103,7 @@ typedef struct tagPOSTSYNC_DATA {
             // DWORD 0
             uint32_t Operation : BITFIELD_RANGE(0, 1);
             uint32_t DataportPipelineFlush : BITFIELD_RANGE(2, 2);
-            uint32_t L3Flush : BITFIELD_RANGE(3, 3);
+            uint32_t Reserved_3 : BITFIELD_RANGE(3, 3);
             uint32_t MocsReserved_4 : BITFIELD_RANGE(4, 4);
             uint32_t MocsIndexToMocsTables : BITFIELD_RANGE(5, 10);
             uint32_t Reserved_13 : BITFIELD_RANGE(11, 31);
@@ -5144,12 +5144,6 @@ typedef struct tagPOSTSYNC_DATA {
     inline bool getDataportPipelineFlush(void) const {
         return TheStructure.Common.DataportPipelineFlush;
     }
-    inline void setL3Flush(const bool value) {
-        TheStructure.Common.L3Flush = value;
-    }
-    inline bool getL3Flush(void) const {
-        return TheStructure.Common.L3Flush;
-    }
     inline void setMocs(const uint32_t value) { // patched
         UNRECOVERABLE_IF(value > 0x7f);
         TheStructure.Common.MocsReserved_4 = value;