diff --git a/llvm/tools/llvm-mca/Views/InstructionInfoView.cpp b/llvm/tools/llvm-mca/Views/InstructionInfoView.cpp
index 0a97e56..5016afb 100644
--- a/llvm/tools/llvm-mca/Views/InstructionInfoView.cpp
+++ b/llvm/tools/llvm-mca/Views/InstructionInfoView.cpp
@@ -14,10 +14,9 @@
 
 #include "Views/InstructionInfoView.h"
 
+namespace llvm {
 namespace mca {
 
-using namespace llvm;
-
 void InstructionInfoView::printView(raw_ostream &OS) const {
   std::string Buffer;
   raw_string_ostream TempStream(Buffer);
@@ -87,3 +86,4 @@
   OS << Buffer;
 }
 } // namespace mca.
+} // namespace llvm