diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec
index a226b4e4f2..7cb04d61b1 100644
--- a/EmbeddedPkg/EmbeddedPkg.dec
+++ b/EmbeddedPkg/EmbeddedPkg.dec
@@ -70,7 +70,6 @@ [Guids.common]
 [Protocols.common]
   gHardwareInterruptProtocolGuid =  { 0x2890B3EA, 0x053D, 0x1643, { 0xAD, 0x0C, 0xD6, 0x48, 0x08, 0xDA, 0x3F, 0xF1 } }
   gHardwareInterrupt2ProtocolGuid = { 0x32898322, 0x2da1, 0x474a, { 0xba, 0xaa, 0xf3, 0xf7, 0xcf, 0x56, 0x94, 0x70 } }
-  gEfiDebugSupportPeriodicCallbackProtocolGuid = { 0x9546e07c, 0x2cbb, 0x4c88, { 0x98, 0x6c, 0xcd, 0x34, 0x10, 0x86, 0xf0, 0x44 } }
   gEmbeddedDeviceGuid =   { 0xbf4b9d10, 0x13ec, 0x43dd, { 0x88, 0x80, 0xe9, 0xb, 0x71, 0x8f, 0x27, 0xde } }
   gEmbeddedExternalDeviceProtocolGuid = { 0x735F8C64, 0xD696, 0x44D0, { 0xBD, 0xF2, 0x44, 0x7F, 0xD0, 0x5A, 0x54, 0x06 }}
   gEmbeddedGpioProtocolGuid           = { 0x17a0a3d7, 0xc0a5, 0x4635, { 0xbb, 0xd5, 0x07, 0x21, 0x87, 0xdf, 0xe2, 0xee }}
@@ -86,15 +85,6 @@ [Ppis]
   gEdkiiEmbeddedGpioPpiGuid = { 0x21c3b115, 0x4e0b, 0x470c, { 0x85, 0xc7, 0xe1, 0x05, 0xa5, 0x75, 0xc9, 0x7b }}
 
 [PcdsFeatureFlag.common]
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedMacBoot|FALSE|BOOLEAN|0x00000001
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedDirCmd|TRUE|BOOLEAN|0x00000002
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedHobCmd|TRUE|BOOLEAN|0x00000003
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedHwDebugCmd|TRUE|BOOLEAN|0x00000004
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedIoEnable|FALSE|BOOLEAN|0x00000005
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedScriptCmd|FALSE|BOOLEAN|0x00000006
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedPciDebugCmd|FALSE|BOOLEAN|0x00000041
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedProbeRemovable|TRUE|BOOLEAN|0x00000052
-
   gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob|FALSE|BOOLEAN|0x0000001b
   gEmbeddedTokenSpaceGuid.PcdCacheEnable|FALSE|BOOLEAN|0x00000042
   gEmbeddedTokenSpaceGuid.PcdGdbSerial|FALSE|BOOLEAN|0x00000053
@@ -103,10 +93,6 @@ [PcdsFeatureFlag.common]
   gEmbeddedTokenSpaceGuid.PcdSataSiI3132FeatureDirectCommandIssuing|FALSE|BOOLEAN|0x00000051
 
 [PcdsFixedAtBuild.common]
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedAutomaticBootCommand|L""|VOID*|0x00000007
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedDefaultTextColor|0x07|UINT32|0x00000008
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedMemVariableStoreSize|0x10000|UINT32|0x00000009
-
   gEmbeddedTokenSpaceGuid.PcdPrePiStackBase|0|UINT32|0x0000000b
   gEmbeddedTokenSpaceGuid.PcdPrePiStackSize|131072|UINT32|0x0000000c
 
@@ -141,9 +127,6 @@ [PcdsFixedAtBuild.common]
   gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterFrequencyInHz|0x0000000|UINT64|0x00000032
   gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterPeriodInNanoseconds|0x0000000|UINT32|0x00000033
 
-# Shell characteristics
-  gEmbeddedTokenSpaceGuid.PcdEmbeddedShellCharacterEcho|TRUE|BOOLEAN|0x00000046
-
   gEmbeddedTokenSpaceGuid.PcdGdbBaudRate|115200|UINT64|0x00000047
   gEmbeddedTokenSpaceGuid.PcdGdbDataBits|8|UINT8|0x00000048
   gEmbeddedTokenSpaceGuid.PcdGdbParity|1|UINT8|0x00000049
diff --git a/EmbeddedPkg/Include/Protocol/DebugSupportPeriodicCallback.h b/EmbeddedPkg/Include/Protocol/DebugSupportPeriodicCallback.h
deleted file mode 100644
index 3d95f930b9..0000000000
--- a/EmbeddedPkg/Include/Protocol/DebugSupportPeriodicCallback.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/** @file
-  Protocol is used to help implement DebugSupport.RegisterPeriodicCallback() functionality.
-  This enables the DXE timer driver to support the periodic callback function so the
-  DebugSupport driver does not need to contain platform specific information about how a timer
-  works.
-
-  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
-  This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-
-#ifndef __DEBUG_SUPPORT_PERIODIC_CALLBACK_H__
-#define __DEBUG_SUPPORT_PERIODIC_CALLBACK_H__
-
-#include <Protocol/DebugSupport.h>
-
-typedef struct _EFI_DEBUG_SUPPORT_PERIODIC_CALLBACK_PROTOCOL EFI_DEBUG_SUPPORT_PERIODIC_CALLBACK_PROTOCOL;
-
-
-// {9546E07C-2CBB-4c88-986C-CD341086F044}
-#define EFI_DEBUG_SUPPORT_PERIODIC_CALLBACK_PROTOCOL_GUID \
-  { 0x9546e07c, 0x2cbb, 0x4c88, { 0x98, 0x6c, 0xcd, 0x34, 0x10, 0x86, 0xf0, 0x44 } }
-
-
-//
-// DebugSupport protocol definition
-//
-struct _EFI_DEBUG_SUPPORT_PERIODIC_CALLBACK_PROTOCOL {
-  EFI_PERIODIC_CALLBACK  PeriodicCallback;
-};
-
-extern EFI_GUID gEfiDebugSupportPeriodicCallbackProtocolGuid;
-
-#endif
