diff --git a/llvm/utils/TableGen/X86RecognizableInstr.cpp b/llvm/utils/TableGen/X86RecognizableInstr.cpp
index f2e60b62c7c6..caae0fc39078 100644
--- a/llvm/utils/TableGen/X86RecognizableInstr.cpp
+++ b/llvm/utils/TableGen/X86RecognizableInstr.cpp
@@ -583,11 +583,9 @@ void RecognizableInstr::emitInstructionSpecifier() {
     return;
   case X86Local::RawFrm:
     // Operand 1 (optional) is an address or immediate.
-    // Operand 2 (optional) is an immediate.
-    assert(numPhysicalOperands <= 2 &&
+    assert(numPhysicalOperands <= 1 &&
            "Unexpected number of operands for RawFrm");
     HANDLE_OPTIONAL(relocation)
-    HANDLE_OPTIONAL(immediate)
     break;
   case X86Local::RawFrmMemOffs:
     // Operand 1 is an address.