diff --git a/EmulatorPkg/Unix/Host/Host.h b/EmulatorPkg/Unix/Host/Host.h
index f564ff19e0..eb7f340dba 100644
--- a/EmulatorPkg/Unix/Host/Host.h
+++ b/EmulatorPkg/Unix/Host/Host.h
@@ -220,12 +220,6 @@ GasketSecUnixFdAddress (
   )
 ;
 
-EFI_STATUS
-GetImageReadFunction (
-  IN UEFI_IMAGE_LOADER_IMAGE_CONTEXT          *ImageContext,
-  IN EFI_PHYSICAL_ADDRESS          *TopOfMemory
-  );
-
 CHAR16                            *
 AsciiToUnicode (
   IN  CHAR8  *Ascii,