diff --git a/lib/Target/PowerPC/PPCRegisterInfo.td b/lib/Target/PowerPC/PPCRegisterInfo.td
index ccd51b1b24f..58be140eea3 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.td
+++ b/lib/Target/PowerPC/PPCRegisterInfo.td
@@ -71,32 +71,3 @@ def CTR : SPR<3>;
 // These are the "time base" registers which are read-only in user mode.
 def TBL : SPR<4>;
 def TBU : SPR<5>;
-
-/// Register classes
-// Allocate volatiles first
-// then nonvolatiles in reverse order since stmw/lmw save from rN to r31
-def GPRC : 
-  RegisterClass<i32, 4, 
-    [R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, 
-     R30, R29, R28, R27, R26, R25, R24, R23, R22, R21, R20, R19, R18, R17,
-     R16, R15, R14, R13, R31, R0, R1, LR]>
-{
-  let Methods = [{
-    iterator allocation_order_begin(MachineFunction &MF) const {
-      return begin() + (AIX ? 1 : 0);
-    }
-    iterator allocation_order_end(MachineFunction &MF) const {
-      if (hasFP(MF))
-        return end()-4;
-      else
-        return end()-3;
-    }
-  }];
-}
-
-def FPRC : RegisterClass<f64, 8, [F0, F1, F2, F3, F4, F5, F6, F7,
-  F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21,
-  F22, F23, F24, F25, F26, F27, F28, F29, F30, F31]>;
-
-def CRRC : RegisterClass<i32, 4, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7]>;
-