diff --git a/src/midend/Pass/Pass.cpp b/src/midend/Pass/Pass.cpp
index c7c3626..290779d 100644
--- a/src/midend/Pass/Pass.cpp
+++ b/src/midend/Pass/Pass.cpp
@@ -124,9 +124,9 @@ void PassManager::runOptimizationPipeline(Module* moduleIR, IRBuilder* builderIR
         printPasses();
       }
 
-      this->clearPasses();
-      this->addPass(&Mem2Reg::ID);
-      this->run();
+      // this->clearPasses();
+      // this->addPass(&Mem2Reg::ID);
+      // this->run();
 
       // if(DEBUG) {
       //   std::cout << "=== IR After Mem2Reg Optimizations ===\n";
@@ -200,9 +200,9 @@ void PassManager::runOptimizationPipeline(Module* moduleIR, IRBuilder* builderIR
       //   printPasses();
       // }
 
-      this->clearPasses();
-      this->addPass(&Reg2Mem::ID);
-      this->run();
+      // this->clearPasses();
+      // this->addPass(&Reg2Mem::ID);
+      // this->run();
 
       if(DEBUG) {
         std::cout << "=== IR After Reg2Mem Optimizations ===\n";