diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc
index 3e5851e742..004be1ec0a 100644
--- a/src/arch/alpha/process.cc
+++ b/src/arch/alpha/process.cc
@@ -67,7 +67,7 @@ AlphaLiveProcess::argsInit(int intSize, int pageSize)
 {
     objFile->loadSections(initVirtMem);
 
-    typedef M5_auxv_t<uint64_t> auxv_t;
+    typedef AuxVector<uint64_t> auxv_t;
     std::vector<auxv_t>  auxv;
 
     ElfObject * elfObject = dynamic_cast<ElfObject *>(objFile);
diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc
index 987e0465e6..91baea40c4 100644
--- a/src/arch/sparc/process.cc
+++ b/src/arch/sparc/process.cc
@@ -189,7 +189,7 @@ SparcLiveProcess::argsInit(int pageSize)
 {
     int intSize = sizeof(IntType);
 
-    typedef M5_auxv_t<IntType> auxv_t;
+    typedef AuxVector<IntType> auxv_t;
 
     std::vector<auxv_t> auxv;
 
diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index 8d0cd5038d..2013190ebd 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -200,7 +200,7 @@ X86LiveProcess::startup()
 void
 X86LiveProcess::argsInit(int intSize, int pageSize)
 {
-    typedef M5_auxv_t<uint64_t> auxv_t;
+    typedef AuxVector<uint64_t> auxv_t;
     std::vector<auxv_t>  auxv;
 
     Process::startup();
diff --git a/src/sim/process.cc b/src/sim/process.cc
index 244fb92977..a1f4c7d1d7 100644
--- a/src/sim/process.cc
+++ b/src/sim/process.cc
@@ -87,14 +87,14 @@ using namespace TheISA;
 int num_processes = 0;
 
 template<class IntType>
-M5_auxv_t<IntType>::M5_auxv_t(IntType type, IntType val)
+AuxVector<IntType>::AuxVector(IntType type, IntType val)
 {
     a_type = TheISA::htog(type);
     a_val = TheISA::htog(val);
 }
 
-template class M5_auxv_t<uint32_t>;
-template class M5_auxv_t<uint64_t>;
+template class AuxVector<uint32_t>;
+template class AuxVector<uint64_t>;
 
 Process::Process(ProcessParams * params)
     : SimObject(params), system(params->system), checkpointRestored(false),
diff --git a/src/sim/process.hh b/src/sim/process.hh
index 9966638478..e6b7c80b7b 100644
--- a/src/sim/process.hh
+++ b/src/sim/process.hh
@@ -62,19 +62,15 @@ namespace TheISA
 }
 
 template<class IntType>
-struct M5_auxv_t
+struct AuxVector
 {
     IntType a_type;
-    union {
-        IntType a_val;
-        IntType a_ptr;
-        IntType a_fcn;
-    };
+    IntType a_val;
 
-    M5_auxv_t()
+    AuxVector()
     {}
 
-    M5_auxv_t(IntType type, IntType val);
+    AuxVector(IntType type, IntType val);
 };
 
 class Process : public SimObject