diff --git a/lib/ExecutionEngine/JIT/Intercept.cpp b/lib/ExecutionEngine/JIT/Intercept.cpp
index 191b57d..72ac92a 100644
--- a/lib/ExecutionEngine/JIT/Intercept.cpp
+++ b/lib/ExecutionEngine/JIT/Intercept.cpp
@@ -18,8 +18,7 @@
 #include "VM.h"
 #include "Support/DynamicLinker.h"
 #include <iostream>
-
-namespace llvm {
+using namespace llvm;
 
 // AtExitHandlers - List of functions to call when the program exits,
 // registered with the atexit() library function.
@@ -77,5 +76,3 @@
   
   return Ptr;
 }
-
-} // End llvm namespace
diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp
index 61d9629..c5a70ea 100644
--- a/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/lib/ExecutionEngine/JIT/JIT.cpp
@@ -1,4 +1,4 @@
-//===-- JIT.cpp - LLVM Just in Time Compiler ------------------------------===//
+//===-- JIT.cpp - LLVM Just-In-Time Compiler ------------------------------===//
 // 
 //                     The LLVM Compiler Infrastructure
 //
@@ -19,13 +19,12 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetMachineImpls.h"
 #include "Support/CommandLine.h"
+using namespace llvm;
 
 #if !defined(ENABLE_X86_JIT) && !defined(ENABLE_SPARC_JIT)
 #define NO_JITS_ENABLED
 #endif
 
-namespace llvm {
-
 namespace {
   enum ArchName { x86, Sparc };
 
@@ -120,5 +119,3 @@
   rv.IntVal = ExitCode;
   return rv;
 }
-
-} // End llvm namespace
diff --git a/lib/ExecutionEngine/JIT/JITEmitter.cpp b/lib/ExecutionEngine/JIT/JITEmitter.cpp
index 1d04f99..2495360 100644
--- a/lib/ExecutionEngine/JIT/JITEmitter.cpp
+++ b/lib/ExecutionEngine/JIT/JITEmitter.cpp
@@ -27,8 +27,7 @@
 #include "Support/Statistic.h"
 #include "Config/unistd.h"
 #include "Config/sys/mman.h"
-
-namespace llvm {
+using namespace llvm;
 
 namespace {
   Statistic<> NumBytes("jit", "Number of bytes of machine code compiled");
@@ -289,5 +288,3 @@
     return TheVM->getPointerToNamedFunction(Name);
   }
 }
-
-} // End llvm namespace
diff --git a/lib/ExecutionEngine/JIT/VM.cpp b/lib/ExecutionEngine/JIT/VM.cpp
index 379be77..e71ec60 100644
--- a/lib/ExecutionEngine/JIT/VM.cpp
+++ b/lib/ExecutionEngine/JIT/VM.cpp
@@ -18,8 +18,7 @@
 #include "llvm/CodeGen/MachineCodeEmitter.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/Target/TargetMachine.h"
-
-namespace llvm {
+using namespace llvm;
 
 VM::~VM() {
   delete MCE;
@@ -99,5 +98,3 @@
   TM.replaceMachineCodeForFunction(OldAddr, Addr);
   return Addr;
 }
-
-} // End llvm namespace