diff --git a/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp b/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
index 6d9ad350d45..8901de536aa 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
@@ -46,6 +46,7 @@ public:
       : MCELFObjectTargetWriter(/*Is64Bit*/ false, OSABI, ELF::EM_ARM,
                                 /*HasRelocationAddend*/ false) {}
 };
+} // end anonymous namespace
 
 const MCFixupKindInfo &ARMAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
   const static MCFixupKindInfo InfosLE[ARM::NumTargetFixupKinds] = {
@@ -163,7 +164,6 @@ void ARMAsmBackend::handleAssemblerFlag(MCAssemblerFlag Flag) {
     break;
   }
 }
-} // end anonymous namespace
 
 unsigned ARMAsmBackend::getRelaxedOpcode(unsigned Op) const {
   bool HasThumb2 = STI->getFeatureBits()[ARM::FeatureThumb2];
diff --git a/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.h b/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.h
index 28a62132a41..a63cf538e5e 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.h
+++ b/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.h
@@ -11,12 +11,12 @@
 #define LLVM_LIB_TARGET_ARM_ARMASMBACKEND_H
 
 #include "MCTargetDesc/ARMFixupKinds.h"
+#include "MCTargetDesc/ARMMCTargetDesc.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Support/TargetRegistry.h"
 
-using namespace llvm;
-
-namespace {
+namespace llvm {
 
 class ARMAsmBackend : public MCAsmBackend {
   const MCSubtargetInfo *STI;
@@ -74,6 +74,6 @@ public:
   void setIsThumb(bool it) { isThumbMode = it; }
   bool isLittle() const { return IsLittleEndian; }
 };
-} // end anonymous namespace
+} // end namespace llvm
 
 #endif
diff --git a/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h b/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
index 995dd0fe08e..23e5005bd91 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
+++ b/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
@@ -10,11 +10,10 @@
 #ifndef LLVM_LIB_TARGET_ARM_ARMASMBACKENDDARWIN_H
 #define LLVM_LIB_TARGET_ARM_ARMASMBACKENDDARWIN_H
 
+#include "ARMAsmBackend.h"
 #include "llvm/Support/MachO.h"
 
-using namespace llvm;
-
-namespace {
+namespace llvm {
 class ARMAsmBackendDarwin : public ARMAsmBackend {
   const MCRegisterInfo &MRI;
 public:
@@ -33,6 +32,6 @@ public:
   uint32_t generateCompactUnwindEncoding(
       ArrayRef<MCCFIInstruction> Instrs) const override;
 };
-}
+} // end namespace llvm
 
 #endif
diff --git a/lib/Target/ARM/MCTargetDesc/ARMAsmBackendWinCOFF.h b/lib/Target/ARM/MCTargetDesc/ARMAsmBackendWinCOFF.h
index 170f59a4c90..2a375be49a8 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMAsmBackendWinCOFF.h
+++ b/lib/Target/ARM/MCTargetDesc/ARMAsmBackendWinCOFF.h
@@ -10,6 +10,7 @@
 #ifndef LLVM_LIB_TARGET_ARM_ARMASMBACKENDWINCOFF_H
 #define LLVM_LIB_TARGET_ARM_ARMASMBACKENDWINCOFF_H
 
+#include "ARMAsmBackend.h"
 using namespace llvm;
 
 namespace {
diff --git a/lib/Target/NVPTX/NVPTXISelDAGToDAG.h b/lib/Target/NVPTX/NVPTXISelDAGToDAG.h
index fe20580c83a..b0fb63f7fe9 100644
--- a/lib/Target/NVPTX/NVPTXISelDAGToDAG.h
+++ b/lib/Target/NVPTX/NVPTXISelDAGToDAG.h
@@ -21,9 +21,8 @@
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/Support/Compiler.h"
-using namespace llvm;
 
-namespace {
+namespace llvm {
 
 class LLVM_LIBRARY_VISIBILITY NVPTXDAGToDAGISel : public SelectionDAGISel {
   const NVPTXTargetMachine &TM;
@@ -95,6 +94,6 @@ private:
   bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const;
 
 };
-}
+} // end namespace llvm
 
 #endif