diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 8736a23..0204494 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -515,7 +515,6 @@
     }
   }
 
-  std::sort(added.begin(), added.end(), less_ptr<LiveInterval>());
   // merge added with unhandled
   for (unsigned i = 0, e = added.size(); i != e; ++i)
     unhandled_.push(added[i]);