diff --git a/include/utils/BasicHashtable.h b/include/utils/BasicHashtable.h
index c235d62..cf47059 100644
--- a/include/utils/BasicHashtable.h
+++ b/include/utils/BasicHashtable.h
@@ -19,7 +19,6 @@
 
 #include <stdint.h>
 #include <sys/types.h>
-#include <utils/SharedBuffer.h>
 #include <utils/TypeHelpers.h>
 
 namespace android {
@@ -55,13 +54,7 @@
     virtual ~BasicHashtableImpl();
 
     void dispose();
-
-    inline void edit() {
-        if (mBuckets && !SharedBuffer::bufferFromData(mBuckets)->onlyOwner()) {
-            clone();
-        }
-    }
-
+    void edit();
     void setTo(const BasicHashtableImpl& other);
     void clear();
 
diff --git a/include/utils/SharedBuffer.h b/include/utils/SharedBuffer.h
deleted file mode 100644
index b670953..0000000
--- a/include/utils/SharedBuffer.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SHARED_BUFFER_H
-#define ANDROID_SHARED_BUFFER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-// ---------------------------------------------------------------------------
-
-namespace android {
-
-class SharedBuffer
-{
-public:
-
-    /* flags to use with release() */
-    enum {
-        eKeepStorage = 0x00000001
-    };
-
-    /*! allocate a buffer of size 'size' and acquire() it.
-     *  call release() to free it.
-     */
-    static          SharedBuffer*           alloc(size_t size);
-    
-    /*! free the memory associated with the SharedBuffer.
-     * Fails if there are any users associated with this SharedBuffer.
-     * In other words, the buffer must have been release by all its
-     * users.
-     */
-    static          ssize_t                 dealloc(const SharedBuffer* released);
-
-    //! access the data for read
-    inline          const void*             data() const;
-    
-    //! access the data for read/write
-    inline          void*                   data();
-
-    //! get size of the buffer
-    inline          size_t                  size() const;
- 
-    //! get back a SharedBuffer object from its data
-    static  inline  SharedBuffer*           bufferFromData(void* data);
-    
-    //! get back a SharedBuffer object from its data
-    static  inline  const SharedBuffer*     bufferFromData(const void* data);
-
-    //! get the size of a SharedBuffer object from its data
-    static  inline  size_t                  sizeFromData(const void* data);
-    
-    //! edit the buffer (get a writtable, or non-const, version of it)
-                    SharedBuffer*           edit() const;
-
-    //! edit the buffer, resizing if needed
-                    SharedBuffer*           editResize(size_t size) const;
-
-    //! like edit() but fails if a copy is required
-                    SharedBuffer*           attemptEdit() const;
-    
-    //! resize and edit the buffer, loose it's content.
-                    SharedBuffer*           reset(size_t size) const;
-
-    //! acquire/release a reference on this buffer
-                    void                    acquire() const;
-                    
-    /*! release a reference on this buffer, with the option of not
-     * freeing the memory associated with it if it was the last reference
-     * returns the previous reference count
-     */     
-                    int32_t                 release(uint32_t flags = 0) const;
-    
-    //! returns wether or not we're the only owner
-    inline          bool                    onlyOwner() const;
-    
-
-private:
-        inline SharedBuffer() { }
-        inline ~SharedBuffer() { }
-        SharedBuffer(const SharedBuffer&);
-        SharedBuffer& operator = (const SharedBuffer&);
- 
-        // 16 bytes. must be sized to preserve correct alignment.
-        mutable int32_t        mRefs;
-                size_t         mSize;
-                uint32_t       mReserved[2];
-};
-
-// ---------------------------------------------------------------------------
-
-const void* SharedBuffer::data() const {
-    return this + 1;
-}
-
-void* SharedBuffer::data() {
-    return this + 1;
-}
-
-size_t SharedBuffer::size() const {
-    return mSize;
-}
-
-SharedBuffer* SharedBuffer::bufferFromData(void* data) {
-    return data ? static_cast<SharedBuffer *>(data)-1 : 0;
-}
-    
-const SharedBuffer* SharedBuffer::bufferFromData(const void* data) {
-    return data ? static_cast<const SharedBuffer *>(data)-1 : 0;
-}
-
-size_t SharedBuffer::sizeFromData(const void* data) {
-    return data ? bufferFromData(data)->mSize : 0;
-}
-
-bool SharedBuffer::onlyOwner() const {
-    return (mRefs == 1);
-}
-
-}; // namespace android
-
-// ---------------------------------------------------------------------------
-
-#endif // ANDROID_VECTOR_H
diff --git a/include/utils/String16.h b/include/utils/String16.h
index d131bfc..b2ab5dc 100644
--- a/include/utils/String16.h
+++ b/include/utils/String16.h
@@ -18,7 +18,6 @@
 #define ANDROID_STRING16_H
 
 #include <utils/Errors.h>
-#include <utils/SharedBuffer.h>
 #include <utils/Unicode.h>
 #include <utils/TypeHelpers.h>
 
@@ -34,6 +33,7 @@
 
 // ---------------------------------------------------------------------------
 
+class SharedBuffer;
 class String8;
 class TextOutput;
 
@@ -64,10 +64,10 @@
                                 ~String16();
     
     inline  const char16_t*     string() const;
-    inline  size_t              size() const;
     
-    inline  const SharedBuffer* sharedBuffer() const;
+            const SharedBuffer* sharedBuffer() const;
     
+            size_t              size() const;
             void                setTo(const String16& other);
             status_t            setTo(const char16_t* other);
             status_t            setTo(const char16_t* other, size_t len);
@@ -144,16 +144,6 @@
     return mString;
 }
 
-inline size_t String16::size() const
-{
-    return SharedBuffer::sizeFromData(mString)/sizeof(char16_t)-1;
-}
-
-inline const SharedBuffer* String16::sharedBuffer() const
-{
-    return SharedBuffer::bufferFromData(mString);
-}
-
 inline String16& String16::operator=(const String16& other)
 {
     setTo(other);
diff --git a/include/utils/String8.h b/include/utils/String8.h
index ecfcf10..a8a37db 100644
--- a/include/utils/String8.h
+++ b/include/utils/String8.h
@@ -18,7 +18,6 @@
 #define ANDROID_STRING8_H
 
 #include <utils/Errors.h>
-#include <utils/SharedBuffer.h>
 #include <utils/Unicode.h>
 #include <utils/TypeHelpers.h>
 
@@ -29,6 +28,7 @@
 
 namespace android {
 
+class SharedBuffer;
 class String16;
 class TextOutput;
 
@@ -65,11 +65,11 @@
 
     inline  const char*         string() const;
     inline  size_t              size() const;
-    inline  size_t              length() const;
     inline  size_t              bytes() const;
     inline  bool                isEmpty() const;
     
-    inline  const SharedBuffer* sharedBuffer() const;
+            size_t              length() const;
+            const SharedBuffer* sharedBuffer() const;
     
             void                clear();
 
@@ -263,11 +263,6 @@
     return mString;
 }
 
-inline size_t String8::length() const
-{
-    return SharedBuffer::sizeFromData(mString)-1;
-}
-
 inline size_t String8::size() const
 {
     return length();
@@ -280,12 +275,7 @@
 
 inline size_t String8::bytes() const
 {
-    return SharedBuffer::sizeFromData(mString)-1;
-}
-
-inline const SharedBuffer* String8::sharedBuffer() const
-{
-    return SharedBuffer::bufferFromData(mString);
+    return length();
 }
 
 inline bool String8::contains(const char* other) const