diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp
index f816e27e50e3..359a813f9b3c 100644
--- a/llvm/lib/CodeGen/MachinePipeliner.cpp
+++ b/llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -595,7 +595,7 @@ private:
   /// Virtual register information.
   MachineRegisterInfo &MRI;
 
-  DFAPacketizer *Resources;
+  std::unique_ptr<DFAPacketizer> Resources;
 
 public:
   SMSchedule(MachineFunction *mf)
@@ -606,13 +606,6 @@ public:
     InitiationInterval = 0;
   }
 
-  ~SMSchedule() {
-    ScheduledInstrs.clear();
-    InstrToCycle.clear();
-    RegToStageDiff.clear();
-    delete Resources;
-  }
-
   void reset() {
     ScheduledInstrs.clear();
     InstrToCycle.clear();