diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -258,8 +258,6 @@
 createGCNMaxOccupancyMachineScheduler(MachineSchedContext *C) {
   ScheduleDAGMILive *DAG =
     new GCNScheduleDAGMILive(C, make_unique<GCNMaxOccupancySchedStrategy>(C));
-  DAG->addMutation(createLoadClusterDAGMutation(DAG->TII, DAG->TRI));
-  DAG->addMutation(createStoreClusterDAGMutation(DAG->TII, DAG->TRI));
   DAG->addMutation(createAMDGPUMacroFusionDAGMutation());
   return DAG;
 }
@@ -268,8 +266,6 @@
 createIterativeGCNMaxOccupancyMachineScheduler(MachineSchedContext *C) {
   auto DAG = new GCNIterativeScheduler(C,
     GCNIterativeScheduler::SCHEDULE_LEGACYMAXOCCUPANCY);
-  DAG->addMutation(createLoadClusterDAGMutation(DAG->TII, DAG->TRI));
-  DAG->addMutation(createStoreClusterDAGMutation(DAG->TII, DAG->TRI));
   return DAG;
 }
 
@@ -282,8 +278,6 @@
 createIterativeILPMachineScheduler(MachineSchedContext *C) {
   auto DAG = new GCNIterativeScheduler(C,
     GCNIterativeScheduler::SCHEDULE_ILP);
-  DAG->addMutation(createLoadClusterDAGMutation(DAG->TII, DAG->TRI));
-  DAG->addMutation(createStoreClusterDAGMutation(DAG->TII, DAG->TRI));
   DAG->addMutation(createAMDGPUMacroFusionDAGMutation());
   return DAG;
 }
@@ -554,8 +548,6 @@
   ScheduleDAGInstrs *
   createMachineScheduler(MachineSchedContext *C) const override {
     ScheduleDAGMILive *DAG = createGenericSchedLive(C);
-    DAG->addMutation(createLoadClusterDAGMutation(DAG->TII, DAG->TRI));
-    DAG->addMutation(createStoreClusterDAGMutation(DAG->TII, DAG->TRI));
     return DAG;
   }