diff --git a/libs/rs/rsContext.cpp b/libs/rs/rsContext.cpp
index 3acb624..11d0bdc 100644
--- a/libs/rs/rsContext.cpp
+++ b/libs/rs/rsContext.cpp
@@ -201,9 +201,9 @@
     mGL.mExtensions = glGetString(GL_EXTENSIONS);
 
     //LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
-    LOGV("GL Version %s", mGL.mVersion);
+    //LOGV("GL Version %s", mGL.mVersion);
     //LOGV("GL Vendor %s", mGL.mVendor);
-    LOGV("GL Renderer %s", mGL.mRenderer);
+    //LOGV("GL Renderer %s", mGL.mRenderer);
     //LOGV("GL Extensions %s", mGL.mExtensions);
 
     const char *verptr = NULL;
@@ -468,7 +468,6 @@
          return NULL;
      }
 
-     rsc->mScriptC.init(rsc);
      if (rsc->mIsGraphicsContext) {
          rsc->mStateRaster.init(rsc);
          rsc->setProgramRaster(NULL);
@@ -528,7 +527,7 @@
 }
 
 void Context::destroyWorkerThreadResources() {
-    LOGV("destroyWorkerThreadResources 1");
+    //LOGV("destroyWorkerThreadResources 1");
     if (mIsGraphicsContext) {
          mRaster.clear();
          mFragment.clear();
@@ -544,7 +543,7 @@
          mShaderCache.cleanupAll();
     }
     ObjectBase::zeroAllUserRef(this);
-    LOGV("destroyWorkerThreadResources 2");
+    //LOGV("destroyWorkerThreadResources 2");
     mExit = true;
 }
 
@@ -552,7 +551,7 @@
      Context *rsc = static_cast<Context *>(vrsc);
      uint32_t idx = (uint32_t)android_atomic_inc(&rsc->mWorkers.mLaunchCount);
 
-     LOGV("RS helperThread starting %p idx=%i", rsc, idx);
+     //LOGV("RS helperThread starting %p idx=%i", rsc, idx);
 
      rsc->mWorkers.mLaunchSignals[idx].init();
      rsc->mWorkers.mNativeThreadId[idx] = gettid();
@@ -573,7 +572,7 @@
          LOGE("pthread_setspecific %i", status);
      }
 
-     while (rsc->mRunning) {
+     while (!rsc->mExit) {
          rsc->mWorkers.mLaunchSignals[idx].wait();
          if (rsc->mWorkers.mLaunchCallback) {
             rsc->mWorkers.mLaunchCallback(rsc->mWorkers.mLaunchData, idx);
@@ -582,7 +581,7 @@
          rsc->mWorkers.mCompleteSignal.set();
      }
 
-     LOGV("RS helperThread exiting %p idx=%i", rsc, idx);
+     //LOGV("RS helperThread exited %p idx=%i", rsc, idx);
      return NULL;
 }
 
@@ -730,6 +729,16 @@
     mIO.shutdown();
     int status = pthread_join(mThreadId, &res);
 
+    // Cleanup compute threads.
+    mWorkers.mLaunchData = NULL;
+    mWorkers.mLaunchCallback = NULL;
+    mWorkers.mRunningCount = (int)mWorkers.mCount;
+    for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) {
+        mWorkers.mLaunchSignals[ct].set();
+        int status = pthread_join(mWorkers.mThreadId[ct], &res);
+    }
+    rsAssert(!mWorkers.mRunningCount);
+
     // Global structure cleanup.
     pthread_mutex_lock(&gInitMutex);
     if (mDev) {
diff --git a/libs/rs/rsScriptC.cpp b/libs/rs/rsScriptC.cpp
index eecfa16..3858e1c 100644
--- a/libs/rs/rsScriptC.cpp
+++ b/libs/rs/rsScriptC.cpp
@@ -421,21 +421,9 @@
 }
 
 ScriptCState::ScriptCState() {
-    mScript.clear();
 }
 
 ScriptCState::~ScriptCState() {
-    mScript.clear();
-}
-
-void ScriptCState::init(Context *rsc) {
-    clear(rsc);
-}
-
-void ScriptCState::clear(Context *rsc) {
-    rsAssert(rsc);
-    mScript.clear();
-    mScript.set(new ScriptC(rsc));
 }
 
 static void* symbolLookup(void* pContext, char const* name) {
@@ -608,8 +596,6 @@
 namespace renderscript {
 
 void rsi_ScriptCBegin(Context * rsc) {
-    ScriptCState *ss = &rsc->mScriptC;
-    ss->clear(rsc);
 }
 
 void rsi_ScriptCSetText(Context *rsc, const char *text, uint32_t len) {
@@ -618,8 +604,8 @@
     char *t = (char *)malloc(len + 1);
     memcpy(t, text, len);
     t[len] = 0;
-    ss->mScript->mEnviroment.mScriptText = t;
-    ss->mScript->mEnviroment.mScriptTextLength = len;
+    ss->mScriptText = t;
+    ss->mScriptLen = len;
 }
 
 
@@ -630,17 +616,19 @@
 {
     ScriptCState *ss = &rsc->mScriptC;
 
-    ObjectBaseRef<ScriptC> s(ss->mScript);
-    ss->mScript.clear();
+    ScriptC *s = new ScriptC(rsc);
+    s->mEnviroment.mScriptText = ss->mScriptText;
+    s->mEnviroment.mScriptTextLength = ss->mScriptLen;
+    ss->mScriptText = NULL;
+    ss->mScriptLen = 0;
     s->incUserRef();
 
-    if (!ss->runCompiler(rsc, s.get(), resName, cacheDir)) {
+    if (!ss->runCompiler(rsc, s, resName, cacheDir)) {
         // Error during compile, destroy s and return null.
-        s->zeroUserRef();
+        delete s;
         return NULL;
     }
-    ss->clear(rsc);
-    return s.get();
+    return s;
 }
 
 }
diff --git a/libs/rs/rsScriptC.h b/libs/rs/rsScriptC.h
index 612e38a..7143c67 100644
--- a/libs/rs/rsScriptC.h
+++ b/libs/rs/rsScriptC.h
@@ -76,11 +76,9 @@
     ScriptCState();
     ~ScriptCState();
 
-    ObjectBaseRef<ScriptC> mScript;
+    char * mScriptText;
+    size_t mScriptLen;
 
-    void init(Context *rsc);
-
-    void clear(Context *rsc);
     bool runCompiler(Context *rsc, ScriptC *s, const char *resName, const char *cacheDir);
 
     struct SymbolTable_t {
@@ -88,7 +86,6 @@
         void * mPtr;
         bool threadable;
     };
-    //static SymbolTable_t gSyms[];
     static const SymbolTable_t * lookupSymbol(const char *);
     static const SymbolTable_t * lookupSymbolCL(const char *);
     static const SymbolTable_t * lookupSymbolGL(const char *);