diff --git a/utils/TableGen/CodeGenSchedule.h b/utils/TableGen/CodeGenSchedule.h
index 992ae82d4c0..0c86944227d 100644
--- a/utils/TableGen/CodeGenSchedule.h
+++ b/utils/TableGen/CodeGenSchedule.h
@@ -304,15 +304,6 @@ public:
     return SchedClasses[Idx];
   }
 
-  // Get an itinerary class's index. Value indices are '0' for NoItinerary up to
-  // and including numItineraryClasses().
-  unsigned getItinClassIdx(Record *ItinDef) const {
-    assert(SchedClassIdxMap.count(ItinDef->getName()) && "missing ItinClass");
-    unsigned Idx = SchedClassIdxMap.lookup(ItinDef->getName());
-    assert(Idx <= NumItineraryClasses && "bad ItinClass index");
-    return Idx;
-  }
-
   // Get the SchedClass index for an instruction. Instructions with no
   // itinerary, no SchedReadWrites, and no InstrReadWrites references return 0
   // for NoItinerary.
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index b41ad94aca3..79602da92b9 100644
--- a/utils/TableGen/InstrInfoEmitter.cpp
+++ b/utils/TableGen/InstrInfoEmitter.cpp
@@ -304,11 +304,10 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
     MinOperands = Inst.Operands.back().MIOperandNo +
                   Inst.Operands.back().MINumOperands;
 
-  Record *ItinDef = Inst.TheDef->getValueAsDef("Itinerary");
   OS << "  { ";
   OS << Num << ",\t" << MinOperands << ",\t"
      << Inst.Operands.NumDefs << ",\t"
-     << SchedModels.getItinClassIdx(ItinDef) << ",\t"
+     << SchedModels.getSchedClassIdx(Inst) << ",\t"
      << Inst.TheDef->getValueAsInt("Size") << ",\t0";
 
   // Emit all of the target indepedent flags...