diff --git a/src/llvm_backend_opt.cpp b/src/llvm_backend_opt.cpp
index b40998c5f..6b7ca507a 100644
--- a/src/llvm_backend_opt.cpp
+++ b/src/llvm_backend_opt.cpp
@@ -216,7 +216,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
 	LLVMAddGlobalDCEPass(mpm);
 	LLVMAddGlobalOptimizerPass(mpm);
 
-	LLVMAddLowerConstantIntrinsicsPass(mpm);
+	// LLVMAddLowerConstantIntrinsicsPass(mpm);
 
 	LLVMAddLoopRotatePass(mpm);