diff --git a/EmulatorPkg/Unix/Host/Host.inf b/EmulatorPkg/Unix/Host/Host.inf
index 467f6eceb9..b50e2e437f 100644
--- a/EmulatorPkg/Unix/Host/Host.inf
+++ b/EmulatorPkg/Unix/Host/Host.inf
@@ -68,7 +68,6 @@
   gEmuThunkPpiGuid
 
 [Protocols]
-  gEmuIoThunkProtocolGuid
   gEmuIoThunkProtocolGuid
   gEmuGraphicsWindowProtocolGuid
   gEmuThreadThunkProtocolGuid