diff --git a/src/cpu/base.hh b/src/cpu/base.hh
index ac3d1d8926..a124b4282b 100644
--- a/src/cpu/base.hh
+++ b/src/cpu/base.hh
@@ -257,9 +257,6 @@ class BaseCPU : public MemObject
     /// Notify the CPU that the indicated context is now suspended.
     virtual void suspendContext(ThreadID thread_num) {}
 
-    /// Notify the CPU that the indicated context is now deallocated.
-    virtual void deallocateContext(ThreadID thread_num) {}
-
     /// Notify the CPU that the indicated context is now halted.
     virtual void haltContext(ThreadID thread_num) {}
 
diff --git a/src/cpu/inorder/inorder_dyn_inst.cc b/src/cpu/inorder/inorder_dyn_inst.cc
index 08f5833389..adde35fdfd 100644
--- a/src/cpu/inorder/inorder_dyn_inst.cc
+++ b/src/cpu/inorder/inorder_dyn_inst.cc
@@ -571,12 +571,6 @@ InOrderDynInst::setRegOtherThread(int reg_idx, MiscReg val, ThreadID tid)
     }
 }
 
-void
-InOrderDynInst::deallocateContext(int thread_num)
-{
-    this->cpu->deallocateContext(thread_num);
-}
-
 Fault
 InOrderDynInst::readMem(Addr addr, uint8_t *data,
                         unsigned size, unsigned flags)
diff --git a/src/cpu/inorder/inorder_dyn_inst.hh b/src/cpu/inorder/inorder_dyn_inst.hh
index 7558df7d1d..053a72d1d0 100644
--- a/src/cpu/inorder/inorder_dyn_inst.hh
+++ b/src/cpu/inorder/inorder_dyn_inst.hh
@@ -531,13 +531,6 @@ class InOrderDynInst : public ExecContext, public RefCounted
     /** Emulates a syscall. */
     void syscall(int64_t callnum);
 
-    ////////////////////////////////////////////////////////////
-    //
-    // MULTITHREADING INTERFACE TO CPU MODELS
-    //
-    ////////////////////////////////////////////////////////////
-    virtual void deallocateContext(int thread_num);
-
     ////////////////////////////////////////////////////////////
     //
     //  PROGRAM COUNTERS - PC/NPC/NPC
diff --git a/src/cpu/inorder/thread_context.hh b/src/cpu/inorder/thread_context.hh
index e29b8f2735..7b1dc833f1 100644
--- a/src/cpu/inorder/thread_context.hh
+++ b/src/cpu/inorder/thread_context.hh
@@ -281,9 +281,6 @@ class InOrderThreadContext : public ThreadContext
     void activateContext()
     { cpu->activateContext(thread->threadId()); }
 
-    void deallocateContext()
-    { cpu->deallocateContext(thread->threadId()); }
-
     /** Returns the number of consecutive store conditional failures. */
     // @todo: Figure out where these store cond failures should go.
     unsigned readStCondFailures()
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index 2ae1855325..7ed3944cf7 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -728,22 +728,14 @@ FullO3CPU<Impl>::activateContext(ThreadID tid)
     }
 }
 
-template <class Impl>
-void
-FullO3CPU<Impl>::deallocateContext(ThreadID tid, bool remove)
-{
-    deactivateThread(tid);
-    if (remove)
-        removeThread(tid);
-}
-
 template <class Impl>
 void
 FullO3CPU<Impl>::suspendContext(ThreadID tid)
 {
     DPRINTF(O3CPU,"[tid: %i]: Suspending Thread Context.\n", tid);
     assert(!switchedOut());
-    deallocateContext(tid, false);
+
+    deactivateThread(tid);
 
     // If this was the last thread then unschedule the tick event.
     if (activeThreads.size() == 0)
@@ -761,7 +753,9 @@ FullO3CPU<Impl>::haltContext(ThreadID tid)
     //For now, this is the same as deallocate
     DPRINTF(O3CPU,"[tid:%i]: Halt Context called. Deallocating", tid);
     assert(!switchedOut());
-    deallocateContext(tid, true);
+
+    deactivateThread(tid);
+    removeThread(tid);
 }
 
 template <class Impl>
diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh
index 0fd08a68bc..c263790cea 100644
--- a/src/cpu/o3/cpu.hh
+++ b/src/cpu/o3/cpu.hh
@@ -325,11 +325,6 @@ class FullO3CPU : public BaseO3CPU
     /** Remove Thread from Active Threads List */
     void suspendContext(ThreadID tid);
 
-    /** Remove Thread from Active Threads List &&
-     *  Possibly Remove Thread Context from CPU.
-     */
-    void deallocateContext(ThreadID tid, bool remove);
-
     /** Remove Thread from Active Threads List &&
      *  Remove Thread Context from CPU.
      */
diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc
index 5130e2960b..6101ff30f6 100644
--- a/src/cpu/simple/base.cc
+++ b/src/cpu/simple/base.cc
@@ -132,14 +132,6 @@ BaseSimpleCPU::~BaseSimpleCPU()
 {
 }
 
-void
-BaseSimpleCPU::deallocateContext(ThreadID thread_num)
-{
-    // for now, these are equivalent
-    suspendContext(thread_num);
-}
-
-
 void
 BaseSimpleCPU::haltContext(ThreadID thread_num)
 {
diff --git a/src/cpu/simple/base.hh b/src/cpu/simple/base.hh
index 43d96fbeb7..8f38a33c88 100644
--- a/src/cpu/simple/base.hh
+++ b/src/cpu/simple/base.hh
@@ -170,7 +170,6 @@ class BaseSimpleCPU : public BaseCPU, public ExecContext
     void postExecute();
     void advancePC(const Fault &fault);
 
-    virtual void deallocateContext(ThreadID thread_num);
     virtual void haltContext(ThreadID thread_num);
 
     // statistics