diff --git a/lib/Target/PowerPC/PPCInstrFormats.td b/lib/Target/PowerPC/PPCInstrFormats.td
index bb0ccf89b00..9ed4393ff80 100644
--- a/lib/Target/PowerPC/PPCInstrFormats.td
+++ b/lib/Target/PowerPC/PPCInstrFormats.td
@@ -16,7 +16,6 @@ class I<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
   field bits<32> Inst;
 
   bit PPC64 = 0;  // Default value, override with isPPC64
-  bit VMX = 0;    // Default value, override with isVMX
 
   let Name = "";
   let Namespace = "PPC";
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 36712189b56..341c47ac70e 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -167,7 +167,6 @@ def imm16ShiftedSExt : PatLeaf<(imm), [{
 // PowerPC Flag Definitions.
 
 class isPPC64 { bit PPC64 = 1; }
-class isVMX   { bit VMX = 1; }
 class isDOT   {
   list<Register> Defs = [CR0];
   bit RC  = 1;