diff --git a/MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c b/MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
index 6bd35b9d3d..d18599b2d2 100644
--- a/MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
+++ b/MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
@@ -204,7 +204,7 @@ CoreAcquireDispatcherLock (
   VOID
   )
 {
-  CoreAcquireLock (&mDispatcherLock);
+  EfiAcquireLock (&mDispatcherLock);
 }
 
 /**
@@ -216,7 +216,7 @@ CoreReleaseDispatcherLock (
   VOID
   )
 {
-  CoreReleaseLock (&mDispatcherLock);
+  EfiReleaseLock (&mDispatcherLock);
 }
 
 /**
diff --git a/MdeModulePkg/Core/Dxe/Event/Event.c b/MdeModulePkg/Core/Dxe/Event/Event.c
index dc82abb021..a9896ea554 100644
--- a/MdeModulePkg/Core/Dxe/Event/Event.c
+++ b/MdeModulePkg/Core/Dxe/Event/Event.c
@@ -95,7 +95,7 @@ CoreAcquireEventLock (
   VOID
   )
 {
-  CoreAcquireLock (&gEventQueueLock);
+  EfiAcquireLock (&gEventQueueLock);
 }
 
 /**
@@ -107,7 +107,7 @@ CoreReleaseEventLock (
   VOID
   )
 {
-  CoreReleaseLock (&gEventQueueLock);
+  EfiReleaseLock (&gEventQueueLock);
 }
 
 /**
diff --git a/MdeModulePkg/Core/Dxe/Event/Timer.c b/MdeModulePkg/Core/Dxe/Event/Timer.c
index 29e507c67c..c52925670d 100644
--- a/MdeModulePkg/Core/Dxe/Event/Timer.c
+++ b/MdeModulePkg/Core/Dxe/Event/Timer.c
@@ -74,9 +74,9 @@ CoreCurrentSystemTime (
 {
   UINT64  SystemTime;
 
-  CoreAcquireLock (&mEfiSystemTimeLock);
+  EfiAcquireLock (&mEfiSystemTimeLock);
   SystemTime = mEfiSystemTime;
-  CoreReleaseLock (&mEfiSystemTimeLock);
+  EfiReleaseLock (&mEfiSystemTimeLock);
 
   return SystemTime;
 }
@@ -102,7 +102,7 @@ CoreCheckTimers (
   //
   // Check the timer database for expired timers
   //
-  CoreAcquireLock (&mEfiTimerLock);
+  EfiAcquireLock (&mEfiTimerLock);
   SystemTime = CoreCurrentSystemTime ();
 
   while (!IsListEmpty (&mEfiTimerList)) {
@@ -151,7 +151,7 @@ CoreCheckTimers (
     }
   }
 
-  CoreReleaseLock (&mEfiTimerLock);
+  EfiReleaseLock (&mEfiTimerLock);
 }
 
 /**
@@ -194,7 +194,7 @@ CoreTimerTick (
   //
   // Check runtiem flag in case there are ticks while exiting boot services
   //
-  CoreAcquireLock (&mEfiSystemTimeLock);
+  EfiAcquireLock (&mEfiSystemTimeLock);
 
   //
   // Update the system time
@@ -213,7 +213,7 @@ CoreTimerTick (
     }
   }
 
-  CoreReleaseLock (&mEfiSystemTimeLock);
+  EfiReleaseLock (&mEfiSystemTimeLock);
 }
 
 /**
@@ -255,7 +255,7 @@ CoreSetTimer (
     return EFI_INVALID_PARAMETER;
   }
 
-  CoreAcquireLock (&mEfiTimerLock);
+  EfiAcquireLock (&mEfiTimerLock);
 
   //
   // If the timer is queued to the timer database, remove it
@@ -285,7 +285,7 @@ CoreSetTimer (
     }
   }
 
-  CoreReleaseLock (&mEfiTimerLock);
+  EfiReleaseLock (&mEfiTimerLock);
 
   return EFI_SUCCESS;
 }
diff --git a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
index 143b452d06..d43970665f 100644
--- a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
+++ b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
@@ -266,7 +266,7 @@ CoreAcquireGcdMemoryLock (
   VOID
   )
 {
-  CoreAcquireLock (&mGcdMemorySpaceLock);
+  EfiAcquireLock (&mGcdMemorySpaceLock);
 }
 
 /**
@@ -278,7 +278,7 @@ CoreReleaseGcdMemoryLock (
   VOID
   )
 {
-  CoreReleaseLock (&mGcdMemorySpaceLock);
+  EfiReleaseLock (&mGcdMemorySpaceLock);
 }
 
 /**
@@ -290,7 +290,7 @@ CoreAcquireGcdIoLock (
   VOID
   )
 {
-  CoreAcquireLock (&mGcdIoSpaceLock);
+  EfiAcquireLock (&mGcdIoSpaceLock);
 }
 
 /**
@@ -302,7 +302,7 @@ CoreReleaseGcdIoLock (
   VOID
   )
 {
-  CoreReleaseLock (&mGcdIoSpaceLock);
+  EfiReleaseLock (&mGcdIoSpaceLock);
 }
 
 //
diff --git a/MdeModulePkg/Core/Dxe/Hand/Handle.c b/MdeModulePkg/Core/Dxe/Hand/Handle.c
index 3a4564a5e9..96d68c2221 100644
--- a/MdeModulePkg/Core/Dxe/Hand/Handle.c
+++ b/MdeModulePkg/Core/Dxe/Hand/Handle.c
@@ -29,7 +29,7 @@ CoreAcquireProtocolLock (
   VOID
   )
 {
-  CoreAcquireLock (&gProtocolDatabaseLock);
+  EfiAcquireLock (&gProtocolDatabaseLock);
 }
 
 /**
@@ -41,7 +41,7 @@ CoreReleaseProtocolLock (
   VOID
   )
 {
-  CoreReleaseLock (&gProtocolDatabaseLock);
+  EfiReleaseLock (&gProtocolDatabaseLock);
 }
 
 /**
diff --git a/MdeModulePkg/Core/Dxe/Hand/Locate.c b/MdeModulePkg/Core/Dxe/Hand/Locate.c
index 8f20c6332d..674e414971 100644
--- a/MdeModulePkg/Core/Dxe/Hand/Locate.c
+++ b/MdeModulePkg/Core/Dxe/Hand/Locate.c
@@ -600,7 +600,7 @@ CoreLocateProtocol (
   //
   // Lock the protocol database
   //
-  Status = CoreAcquireLockOrFail (&gProtocolDatabaseLock);
+  Status = EfiAcquireLockOrFail (&gProtocolDatabaseLock);
   if (EFI_ERROR (Status)) {
     return EFI_NOT_FOUND;
   }
diff --git a/MdeModulePkg/Core/Dxe/Mem/MemoryProfileRecord.c b/MdeModulePkg/Core/Dxe/Mem/MemoryProfileRecord.c
index f19a5d8abd..168a27fef3 100644
--- a/MdeModulePkg/Core/Dxe/Mem/MemoryProfileRecord.c
+++ b/MdeModulePkg/Core/Dxe/Mem/MemoryProfileRecord.c
@@ -222,7 +222,7 @@ CoreAcquireMemoryProfileLock (
   VOID
   )
 {
-  CoreAcquireLock (&mMemoryProfileLock);
+  EfiAcquireLock (&mMemoryProfileLock);
 }
 
 /**
@@ -233,7 +233,7 @@ CoreReleaseMemoryProfileLock (
   VOID
   )
 {
-  CoreReleaseLock (&mMemoryProfileLock);
+  EfiReleaseLock (&mMemoryProfileLock);
 }
 
 /**
diff --git a/MdeModulePkg/Core/Dxe/Mem/Page.c b/MdeModulePkg/Core/Dxe/Mem/Page.c
index d3e18b168a..bcb41780d1 100644
--- a/MdeModulePkg/Core/Dxe/Mem/Page.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Page.c
@@ -104,7 +104,7 @@ CoreAcquireMemoryLock (
   VOID
   )
 {
-  CoreAcquireLock (&gMemoryLock);
+  EfiAcquireLock (&gMemoryLock);
 }
 
 /**
@@ -116,7 +116,7 @@ CoreReleaseMemoryLock (
   VOID
   )
 {
-  CoreReleaseLock (&gMemoryLock);
+  EfiReleaseLock (&gMemoryLock);
 }
 
 /**
@@ -2197,7 +2197,7 @@ CoreAllocatePoolPagesI (
   VOID        *Buffer;
   EFI_STATUS  Status;
 
-  Status = CoreAcquireLockOrFail (&gMemoryLock);
+  Status = EfiAcquireLockOrFail (&gMemoryLock);
   if (EFI_ERROR (Status)) {
     return NULL;
   }
diff --git a/MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c b/MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c
index 98e8fab500..b37066aba1 100644
--- a/MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c
+++ b/MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c
@@ -339,7 +339,7 @@ CoreAcquiremMemoryAttributesTableLock (
   VOID
   )
 {
-  CoreAcquireLock (&mMemoryAttributesTableLock);
+  EfiAcquireLock (&mMemoryAttributesTableLock);
 }
 
 /**
@@ -351,7 +351,7 @@ CoreReleasemMemoryAttributesTableLock (
   VOID
   )
 {
-  CoreReleaseLock (&mMemoryAttributesTableLock);
+  EfiReleaseLock (&mMemoryAttributesTableLock);
 }
 
 /**
diff --git a/MdeModulePkg/Include/Library/MemoryPoolLib.h b/MdeModulePkg/Include/Library/MemoryPoolLib.h
index ff1da3cca8..787046f1de 100644
--- a/MdeModulePkg/Include/Library/MemoryPoolLib.h
+++ b/MdeModulePkg/Include/Library/MemoryPoolLib.h
@@ -198,50 +198,4 @@ IsMemoryTypeToGuard (
   IN UINT8              PageOrPool
   );
 
-/**
-  Raising to the task priority level of the mutual exclusion
-  lock, and then acquires ownership of the lock.
-
-  @param  Lock               The lock to acquire
-
-  @return Lock owned
-
-**/
-VOID
-CoreAcquireLock (
-  IN EFI_LOCK  *Lock
-  );
-
-/**
-  Initialize a basic mutual exclusion lock.   Each lock
-  provides mutual exclusion access at it's task priority
-  level.  Since there is no-premption (at any TPL) or
-  multiprocessor support, acquiring the lock only consists
-  of raising to the locks TPL.
-
-  @param  Lock               The EFI_LOCK structure to initialize
-
-  @retval EFI_SUCCESS        Lock Owned.
-  @retval EFI_ACCESS_DENIED  Reentrant Lock Acquisition, Lock not Owned.
-
-**/
-EFI_STATUS
-CoreAcquireLockOrFail (
-  IN EFI_LOCK  *Lock
-  );
-
-/**
-  Releases ownership of the mutual exclusion lock, and
-  restores the previous task priority level.
-
-  @param  Lock               The lock to release
-
-  @return Lock unowned
-
-**/
-VOID
-CoreReleaseLock (
-  IN EFI_LOCK  *Lock
-  );
-
 #endif
diff --git a/MdeModulePkg/Library/MemoryPoolLib/InternalPool.c b/MdeModulePkg/Library/MemoryPoolLib/InternalPool.c
deleted file mode 100644
index 5e506e080b..0000000000
--- a/MdeModulePkg/Library/MemoryPoolLib/InternalPool.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/** @file
-  DXE Core functions necessary for pool management functions.
-
-  Copyright (c) 2024, Mikhail Krichanov. All rights reserved.
-  SPDX-License-Identifier: BSD-3-Clause
-
-**/
-
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-
-/**
-  Initialize a basic mutual exclusion lock.   Each lock
-  provides mutual exclusion access at it's task priority
-  level.  Since there is no-premption (at any TPL) or
-  multiprocessor support, acquiring the lock only consists
-  of raising to the locks TPL.
-
-  @param  Lock               The EFI_LOCK structure to initialize
-
-  @retval EFI_SUCCESS        Lock Owned.
-  @retval EFI_ACCESS_DENIED  Reentrant Lock Acquisition, Lock not Owned.
-
-**/
-EFI_STATUS
-CoreAcquireLockOrFail (
-  IN EFI_LOCK  *Lock
-  )
-{
-  return EfiAcquireLockOrFail (Lock);
-}
-
-/**
-  Raising to the task priority level of the mutual exclusion
-  lock, and then acquires ownership of the lock.
-
-  @param  Lock               The lock to acquire
-
-  @return Lock owned
-
-**/
-VOID
-CoreAcquireLock (
-  IN EFI_LOCK  *Lock
-  )
-{
-  EfiAcquireLock (Lock);
-}
-
-/**
-  Releases ownership of the mutual exclusion lock, and
-  restores the previous task priority level.
-
-  @param  Lock               The lock to release
-
-  @return Lock unowned
-
-**/
-VOID
-CoreReleaseLock (
-  IN EFI_LOCK  *Lock
-  )
-{
-  EfiReleaseLock (Lock);
-}
diff --git a/MdeModulePkg/Library/MemoryPoolLib/InternalPool.h b/MdeModulePkg/Library/MemoryPoolLib/InternalPool.h
index b0bb574f21..e800fd7acb 100644
--- a/MdeModulePkg/Library/MemoryPoolLib/InternalPool.h
+++ b/MdeModulePkg/Library/MemoryPoolLib/InternalPool.h
@@ -4,6 +4,9 @@
   Copyright (c) 2024, Mikhail Krichanov. All rights reserved.
   SPDX-License-Identifier: BSD-3-Clause
 
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
 **/
 
 #ifndef _INTERNAL_POOL_H_
diff --git a/MdeModulePkg/Library/MemoryPoolLib/MemoryPoolLib.inf b/MdeModulePkg/Library/MemoryPoolLib/MemoryPoolLib.inf
index 91bbda57a3..acc7c606be 100644
--- a/MdeModulePkg/Library/MemoryPoolLib/MemoryPoolLib.inf
+++ b/MdeModulePkg/Library/MemoryPoolLib/MemoryPoolLib.inf
@@ -20,7 +20,6 @@
 #
 
 [Sources]
-  InternalPool.c
   InternalPool.h
   Pool.c
 
diff --git a/MdeModulePkg/Library/MemoryPoolLib/Pool.c b/MdeModulePkg/Library/MemoryPoolLib/Pool.c
index a35fa80058..19cb969d51 100644
--- a/MdeModulePkg/Library/MemoryPoolLib/Pool.c
+++ b/MdeModulePkg/Library/MemoryPoolLib/Pool.c
@@ -310,13 +310,13 @@ CoreInternalAllocatePool (
   //
   // Acquire the memory lock and make the allocation
   //
-  Status = CoreAcquireLockOrFail (&mPoolMemoryLock);
+  Status = EfiAcquireLockOrFail (&mPoolMemoryLock);
   if (EFI_ERROR (Status)) {
     return EFI_OUT_OF_RESOURCES;
   }
 
   *Buffer = CoreAllocatePoolI (PoolType, Size, NeedGuard);
-  CoreReleaseLock (&mPoolMemoryLock);
+  EfiReleaseLock (&mPoolMemoryLock);
   return (*Buffer != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;
 }
 
@@ -596,9 +596,9 @@ CoreInternalFreePool (
     return EFI_INVALID_PARAMETER;
   }
 
-  CoreAcquireLock (&mPoolMemoryLock);
+  EfiAcquireLock (&mPoolMemoryLock);
   Status = CoreFreePoolI (Buffer, PoolType);
-  CoreReleaseLock (&mPoolMemoryLock);
+  EfiReleaseLock (&mPoolMemoryLock);
   return Status;
 }