diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index 75bf4130774..1df04224376 100644
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -230,7 +230,6 @@ RecognizableInstr::RecognizableInstr(DisassemblerTables &tables,
   Prefix   = byteFromRec(Rec, "Prefix");
   Opcode   = byteFromRec(Rec, "Opcode");
   Form     = byteFromRec(Rec, "FormBits");
-  SegOvr   = byteFromRec(Rec, "SegOvrBits");
 
   HasOpSizePrefix  = Rec->getValueAsBit("hasOpSizePrefix");
   HasAdSizePrefix  = Rec->getValueAsBit("hasAdSizePrefix");
@@ -490,12 +489,6 @@ RecognizableInstr::filter_ret RecognizableInstr::filter() const {
   // Filter out artificial instructions but leave in the LOCK_PREFIX so it is
   // printed as a separate "instruction".
 
-  // Filter out instructions with segment override prefixes.
-  // They're too messy to handle now and we'll special case them if needed.
-
-  if (SegOvr)
-    return FILTER_STRONG;
-
 
   /////////////////
   // FILTER_WEAK
diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h
index ff111a3dabc..ef3bdfee254 100644
--- a/utils/TableGen/X86RecognizableInstr.h
+++ b/utils/TableGen/X86RecognizableInstr.h
@@ -44,8 +44,6 @@ private:
   uint8_t Opcode;
   /// The form field from the record
   uint8_t Form;
-  /// The segment override field from the record
-  uint8_t SegOvr;
   /// The hasOpSizePrefix field from the record
   bool HasOpSizePrefix;
   /// The hasAdSizePrefix field from the record