diff --git a/include/binder/MemoryHeapBase.h b/include/binder/MemoryHeapBase.h
index 435540e8c60c2..d793c240f95f4 100644
--- a/include/binder/MemoryHeapBase.h
+++ b/include/binder/MemoryHeapBase.h
@@ -35,7 +35,8 @@ public:
         MAP_ONCE = IMemoryHeap::MAP_ONCE,
         // memory won't be mapped locally, but will be mapped in the remote
         // process.
-        DONT_MAP_LOCALLY = 0x00000100
+        DONT_MAP_LOCALLY = 0x00000100,
+        NO_CACHING = 0x00000200
     };
 
     /* 
diff --git a/libs/binder/MemoryHeapBase.cpp b/libs/binder/MemoryHeapBase.cpp
index 5df078f8bdbb3..624f7eba84707 100644
--- a/libs/binder/MemoryHeapBase.cpp
+++ b/libs/binder/MemoryHeapBase.cpp
@@ -67,7 +67,11 @@ MemoryHeapBase::MemoryHeapBase(const char* device, size_t size, uint32_t flags)
     : mFD(-1), mSize(0), mBase(MAP_FAILED), mFlags(flags),
       mDevice(0), mNeedUnmap(false)
 {
-    int fd = open(device, O_RDWR);
+    int open_flags = O_RDWR;
+    if (flags & NO_CACHING)
+        open_flags |= O_SYNC;
+
+    int fd = open(device, open_flags);
     LOGE_IF(fd<0, "error opening %s: %s", device, strerror(errno));
     if (fd >= 0) {
         const size_t pagesize = getpagesize();
diff --git a/libs/rs/rsSimpleMesh.cpp b/libs/rs/rsSimpleMesh.cpp
index 434a35ffb3b0c..b082fd7db26b9 100644
--- a/libs/rs/rsSimpleMesh.cpp
+++ b/libs/rs/rsSimpleMesh.cpp
@@ -99,8 +99,6 @@ SimpleMeshContext::SimpleMeshContext()
 
 SimpleMeshContext::~SimpleMeshContext()
 {
-    delete[] mVertexTypes;
-    delete[] mVertexBuffers;
 }
 
 
diff --git a/libs/rs/rsType.cpp b/libs/rs/rsType.cpp
index 0eb41119daab5..ddaa2f0e14262 100644
--- a/libs/rs/rsType.cpp
+++ b/libs/rs/rsType.cpp
@@ -57,7 +57,6 @@ TypeState::TypeState()
 
 TypeState::~TypeState()
 {
-    delete[] mLODs;
 }
 
 size_t Type::getOffsetForFace(uint32_t face) const