diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 008075163b90a..f6fe7c9be7e4f 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -422,7 +422,6 @@ class X86AsmParser : public MCTargetAsmParser {
     IES_RPAREN,
     IES_REGISTER,
     IES_INTEGER,
-    IES_IDENTIFIER,
     IES_ERROR
   };