1 files changed, 0 insertions, 28 deletions
diff --git a/MdeModulePkg/Include/Library/S3Lib.h b/MdeModulePkg/Include/Library/S3Lib.h
deleted file mode 100644
index 171c0ccb92..0000000000
--- a/MdeModulePkg/Include/Library/S3Lib.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/** @file
-  S3 library class defines a set of methods related to S3 boot mode.
-  This library class is no longer used and modules using this library should
-  directly locate EFI_PEI_S3_RESUME_PPI, defined in the PI 1.2 specification.
-
-Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef __S3_LIB_H__
-#define __S3_LIB_H__
-
-/**
-  This function is responsible for calling the S3 resume vector in the ACPI Tables.
-
-  @retval EFI_SUCCESS   Successfully restored the configuration from S3.
-  @retval Others       Failed to restore the configuration from S3.
-
-**/
-EFI_STATUS
-EFIAPI
-AcpiS3ResumeOs (
-  VOID
-  );
-
-#endif
-