diff --git a/MdeModulePkg/Library/BrotliCustomDecompressLib/BrotliDecompress.c b/MdeModulePkg/Library/BrotliCustomDecompressLib/BrotliDecompress.c
index 512518699e..53e2255f5f 100644
--- a/MdeModulePkg/Library/BrotliCustomDecompressLib/BrotliDecompress.c
+++ b/MdeModulePkg/Library/BrotliCustomDecompressLib/BrotliDecompress.c
@@ -7,29 +7,6 @@
 **/
 #include <BrotliDecompressLibInternal.h>
 
-/**
-  Dummy malloc function for compiler.
-**/
-VOID *
-BrDummyMalloc (
-  IN size_t    Size
-  )
-{
-  ASSERT (FALSE);
-  return NULL;
-}
-
-/**
-  Dummy free function for compiler.
-**/
-VOID
-BrDummyFree (
-  IN VOID *    Ptr
-  )
-{
-  ASSERT (FALSE);
-}
-
 /**
   Allocation routine used by BROTLI decompression.