diff --git a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c
index 589d4db619..434736f974 100644
--- a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c
+++ b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c
@@ -598,7 +598,11 @@ UnicodeSPrintAsciiFormat (
   return NumberOfPrinted;
 }
 
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+
 /**
+  [ATTENTION] This function is deprecated for security reason.
+
   Converts a decimal value to a Null-terminated Unicode string.
   
   Converts the decimal number specified by Value to a Null-terminated Unicode 
@@ -665,6 +669,8 @@ UnicodeValueToString (
   return StrnLenS (Buffer, BufferSize / sizeof (CHAR16));
 }
 
+#endif
+
 /**
   Converts a decimal value to a Null-terminated Unicode string.
 
@@ -1071,7 +1077,11 @@ AsciiSPrintUnicodeFormat (
 }
 
 
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+
 /**
+  [ATTENTION] This function is deprecated for security reason.
+
   Converts a decimal value to a Null-terminated ASCII string.
   
   Converts the decimal number specified by Value to a Null-terminated ASCII string 
@@ -1137,6 +1147,8 @@ AsciiValueToString (
   return AsciiStrnLenS (Buffer, BufferSize / sizeof (CHAR8));
 }
 
+#endif
+
 /**
   Converts a decimal value to a Null-terminated Ascii string.