diff --git a/EmulatorPkg/Unix/Host/Host.c b/EmulatorPkg/Unix/Host/Host.c
index 134481b617..aa1e792074 100644
--- a/EmulatorPkg/Unix/Host/Host.c
+++ b/EmulatorPkg/Unix/Host/Host.c
@@ -842,45 +842,6 @@ CountSeparatorsInString (
   return Count;
 }
 
-EFI_STATUS
-EFIAPI
-SecImageRead (
-  IN     VOID   *FileHandle,
-  IN     UINTN  FileOffset,
-  IN OUT UINTN  *ReadSize,
-  OUT    VOID   *Buffer
-  )
-
-/*++
-
-Routine Description:
-  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file
-
-Arguments:
-  FileHandle - The handle to the PE/COFF file
-  FileOffset - The offset, in bytes, into the file to read
-  ReadSize   - The number of bytes to read from the file starting at FileOffset
-  Buffer     - A pointer to the buffer to read the data into.
-
-Returns:
-  EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset
-
-**/
-{
-  CHAR8  *Destination8;
-  CHAR8  *Source8;
-  UINTN  Length;
-
-  Destination8 = Buffer;
-  Source8      = (CHAR8 *)((UINTN)FileHandle + FileOffset);
-  Length       = *ReadSize;
-  while (Length--) {
-    *(Destination8++) = *(Source8++);
-  }
-
-  return EFI_SUCCESS;
-}
-
 BOOLEAN
 IsPdbFile (
   IN  CONST CHAR8   *PdbFileName
diff --git a/EmulatorPkg/Unix/Host/Host.h b/EmulatorPkg/Unix/Host/Host.h
index c3b4214f84..a238f57259 100644
--- a/EmulatorPkg/Unix/Host/Host.h
+++ b/EmulatorPkg/Unix/Host/Host.h
@@ -226,15 +226,6 @@ GetImageReadFunction (
   IN EFI_PHYSICAL_ADDRESS          *TopOfMemory
   );
 
-EFI_STATUS
-EFIAPI
-SecImageRead (
-  IN     VOID   *FileHandle,
-  IN     UINTN  FileOffset,
-  IN OUT UINTN  *ReadSize,
-  OUT    VOID   *Buffer
-  );
-
 CHAR16                            *
 AsciiToUnicode (
   IN  CHAR8  *Ascii,
diff --git a/EmulatorPkg/Win/Host/WinHost.c b/EmulatorPkg/Win/Host/WinHost.c
index 80d44a94ab..1e272bd226 100644
--- a/EmulatorPkg/Win/Host/WinHost.c
+++ b/EmulatorPkg/Win/Host/WinHost.c
@@ -840,45 +840,6 @@ SecUefiImageGetEntryPoint (
   return EFI_SUCCESS;
 }
 
-EFI_STATUS
-EFIAPI
-SecImageRead (
-  IN     VOID   *FileHandle,
-  IN     UINTN  FileOffset,
-  IN OUT UINTN  *ReadSize,
-  OUT    VOID   *Buffer
-  )
-
-/*++
-
-Routine Description:
-  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file
-
-Arguments:
-  FileHandle - The handle to the PE/COFF file
-  FileOffset - The offset, in bytes, into the file to read
-  ReadSize   - The number of bytes to read from the file starting at FileOffset
-  Buffer     - A pointer to the buffer to read the data into.
-
-Returns:
-  EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset
-
---*/
-{
-  CHAR8  *Destination8;
-  CHAR8  *Source8;
-  UINTN  Length;
-
-  Destination8 = Buffer;
-  Source8      = (CHAR8 *)((UINTN)FileHandle + FileOffset);
-  Length       = *ReadSize;
-  while (Length--) {
-    *(Destination8++) = *(Source8++);
-  }
-
-  return EFI_SUCCESS;
-}
-
 CHAR16 *
 AsciiToUnicode (
   IN  CHAR8  *Ascii,
diff --git a/EmulatorPkg/Win/Host/WinHost.h b/EmulatorPkg/Win/Host/WinHost.h
index bad2fca5ce..99b04dc0e1 100644
--- a/EmulatorPkg/Win/Host/WinHost.h
+++ b/EmulatorPkg/Win/Host/WinHost.h
@@ -121,35 +121,6 @@ Returns:
 --*/
 ;
 
-EFI_STATUS
-EFIAPI
-SecImageRead (
-  IN     VOID   *FileHandle,
-  IN     UINTN  FileOffset,
-  IN OUT UINTN  *ReadSize,
-  OUT    VOID   *Buffer
-  )
-
-/*++
-
-Routine Description:
-
-  TODO: Add function description
-
-Arguments:
-
-  FileHandle  - TODO: add argument description
-  FileOffset  - TODO: add argument description
-  ReadSize    - TODO: add argument description
-  Buffer      - TODO: add argument description
-
-Returns:
-
-  TODO: add return values
-
---*/
-;
-
 CHAR16                            *
 AsciiToUnicode (
   IN  CHAR8  *Ascii,