diff --git a/samples/RenderScript/Balls/src/com/example/android/rs/balls/balls.rs b/samples/RenderScript/Balls/src/com/example/android/rs/balls/balls.rs
index d86b804a5..f94e3e20c 100644
--- a/samples/RenderScript/Balls/src/com/example/android/rs/balls/balls.rs
+++ b/samples/RenderScript/Balls/src/com/example/android/rs/balls/balls.rs
@@ -56,12 +56,12 @@ int root() {
     Ball_t *bout;
 
     if (frame & 1) {
-        rsSetObject(&bc.ain, rsGetAllocation(balls2));
-        rsSetObject(&bc.aout, rsGetAllocation(balls1));
+        bc.ain = rsGetAllocation(balls2);
+        bc.aout = rsGetAllocation(balls1);
         bout = balls2;
     } else {
-        rsSetObject(&bc.ain, rsGetAllocation(balls1));
-        rsSetObject(&bc.aout, rsGetAllocation(balls2));
+        bc.ain = rsGetAllocation(balls1);
+        bc.aout = rsGetAllocation(balls2);
         bout = balls1;
     }
 
@@ -78,8 +78,6 @@ int root() {
     frame++;
     rsgBindProgramFragment(gPFPoints);
     rsgDrawMesh(partMesh);
-    rsClearObject(&bc.ain);
-    rsClearObject(&bc.aout);
     return 1;
 }
 
diff --git a/samples/RenderScript/HelloWorld/src/com/example/android/rs/helloworld/helloworld.rs b/samples/RenderScript/HelloWorld/src/com/example/android/rs/helloworld/helloworld.rs
index 34e940ad9..bcf624e20 100644
--- a/samples/RenderScript/HelloWorld/src/com/example/android/rs/helloworld/helloworld.rs
+++ b/samples/RenderScript/HelloWorld/src/com/example/android/rs/helloworld/helloworld.rs
@@ -31,7 +31,7 @@ void init() {
     gTouchY = 50.0f;
 }
 
-int root(int launchID) {
+int root(void) {
 
     // Clear the background color
     rsgClearColor(0.0f, 0.0f, 0.0f, 0.0f);
diff --git a/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rslist.rs b/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rslist.rs
index 7b2dae24b..d9d450dc4 100644
--- a/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rslist.rs
+++ b/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rslist.rs
@@ -34,7 +34,7 @@ void init() {
 
 int textPos = 0;
 
-int root(int launchID) {
+int root(void) {
 
     rsgClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 
@@ -45,7 +45,7 @@ int root(int launchID) {
     rsgBindFont(gItalic);
 
     rs_allocation listAlloc;
-    rsSetObject(&listAlloc, rsGetAllocation(gList));
+    listAlloc = rsGetAllocation(gList);
     int allocSize = rsAllocationGetDimX(listAlloc);
 
     int width = rsgGetWidth();
diff --git a/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rsrenderstates.rs b/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rsrenderstates.rs
index b8ec8aa63..5dabd00bc 100644
--- a/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rsrenderstates.rs
+++ b/samples/RenderScript/MiscSamples/src/com/example/android/rs/miscsamples/rsrenderstates.rs
@@ -633,7 +633,7 @@ static void displayAnisoSample() {
     }
 }
 
-int root(int launchID) {
+int root(void) {
 
     gDt = rsGetDt();