2 files changed, 4 insertions, 1 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c b/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c
index bf2f5f4ce4..52e767524f 100644
--- a/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c
+++ b/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c
@@ -9,7 +9,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include "InternalCryptLib.h"
 #include <openssl/sha.h>
 
-
+#ifndef DISABLE_SHA1_DEPRECATED_INTERFACES
 /**
   Retrieves the size, in bytes, of the context buffer required for SHA-1 hash operations.
 
@@ -222,3 +222,4 @@ Sha1HashAll (
     return TRUE;
   }
 }
+#endif
diff --git a/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c b/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c
index 8897fd25e6..3f14c6d262 100644
--- a/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c
+++ b/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c
@@ -259,6 +259,7 @@ Md5HashAll (
 }
 #endif
 
+#ifndef DISABLE_SHA1_DEPRECATED_INTERFACES
 /**
   Retrieves the size, in bytes, of the context buffer required for SHA-1 hash operations.
 
@@ -416,6 +417,7 @@ Sha1HashAll (
 {
   CALL_CRYPTO_SERVICE (Sha1HashAll, (Data, DataSize, HashValue), FALSE);
 }
+#endif
 
 /**
   Retrieves the size, in bytes, of the context buffer required for SHA-256 hash operations.