diff --git a/lib/CodeGen/ScheduleDAG.cpp b/lib/CodeGen/ScheduleDAG.cpp
index 70ad9495713..45b4f68570b 100644
--- a/lib/CodeGen/ScheduleDAG.cpp
+++ b/lib/CodeGen/ScheduleDAG.cpp
@@ -135,20 +135,14 @@ void SUnit::removePred(const SDep &D) {
   for (SmallVector<SDep, 4>::iterator I = Preds.begin(), E = Preds.end();
        I != E; ++I)
     if (*I == D) {
-      bool FoundSucc = false;
       // Find the corresponding successor in N.
       SDep P = D;
       P.setSUnit(this);
       SUnit *N = D.getSUnit();
-      for (SmallVector<SDep, 4>::iterator II = N->Succs.begin(),
-             EE = N->Succs.end(); II != EE; ++II)
-        if (*II == P) {
-          FoundSucc = true;
-          N->Succs.erase(II);
-          break;
-        }
-      assert(FoundSucc && "Mismatching preds / succs lists!");
-      (void)FoundSucc;
+      SmallVectorImpl<SDep>::iterator Succ = std::find(N->Succs.begin(),
+                                                       N->Succs.end(), P);
+      assert(Succ != N->Succs.end() && "Mismatching preds / succs lists!");
+      N->Succs.erase(Succ);
       Preds.erase(I);
       // Update the bookkeeping.
       if (P.getKind() == SDep::Data) {