diff --git a/lib/Target/IA64/IA64.td b/lib/Target/IA64/IA64.td
index 3e5c6131a34..78cf55e48e0 100644
--- a/lib/Target/IA64/IA64.td
+++ b/lib/Target/IA64/IA64.td
@@ -51,7 +51,6 @@ def IA64 : Target {
 //  r12, // memory stack pointer (SP)- XXX NOT callee saved, we do it ourselves
 //  rp, // return branch register (rp/b0) - we do this ourselves
   // **** r13 (thread pointer) we do not touch, ever. it's not here. ****//
-  //r15,
   
   //'stacked' GRs the RSE takes care of, we don't worry about
 /* We don't want PEI::calculateCallerSavedRegisters to worry about them,