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/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
diff --git a/libutils/BasicHashtable.cpp b/libutils/BasicHashtable.cpp
index 491d9e9..1e9f053 100644
--- a/libutils/BasicHashtable.cpp
+++ b/libutils/BasicHashtable.cpp
@@ -22,6 +22,8 @@
 #include <utils/BasicHashtable.h>
 #include <utils/misc.h>
 
+#include "SharedBuffer.h"
+
 namespace android {
 
 BasicHashtableImpl::BasicHashtableImpl(size_t entrySize, bool hasTrivialDestructor,
@@ -46,6 +48,12 @@
 {
 }
 
+void BasicHashtableImpl::edit() {
+    if (mBuckets && !SharedBuffer::bufferFromData(mBuckets)->onlyOwner()) {
+        clone();
+    }
+}
+
 void BasicHashtableImpl::dispose() {
     if (mBuckets) {
         releaseBuckets(mBuckets, mBucketCount);
diff --git a/libutils/SharedBuffer.cpp b/libutils/SharedBuffer.cpp
index 947551a..c7dd1ab 100644
--- a/libutils/SharedBuffer.cpp
+++ b/libutils/SharedBuffer.cpp
@@ -20,9 +20,10 @@
 #include <string.h>
 
 #include <log/log.h>
-#include <utils/SharedBuffer.h>
 #include <utils/Atomic.h>
 
+#include "SharedBuffer.h"
+
 // ---------------------------------------------------------------------------
 
 namespace android {
diff --git a/include/utils/SharedBuffer.h b/libutils/SharedBuffer.h
similarity index 100%
rename from include/utils/SharedBuffer.h
rename to libutils/SharedBuffer.h
diff --git a/libutils/String16.cpp b/libutils/String16.cpp
index 91efdaa..67be9d8 100644
--- a/libutils/String16.cpp
+++ b/libutils/String16.cpp
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#include "SharedBuffer.h"
 
 namespace android {
 
@@ -165,6 +166,16 @@
     SharedBuffer::bufferFromData(mString)->release();
 }
 
+size_t String16::size() const
+{
+    return SharedBuffer::sizeFromData(mString)/sizeof(char16_t)-1;
+}
+
+const SharedBuffer* String16::sharedBuffer() const
+{
+    return SharedBuffer::bufferFromData(mString);
+}
+
 void String16::setTo(const String16& other)
 {
     SharedBuffer::bufferFromData(other.mString)->acquire();
diff --git a/libutils/String8.cpp b/libutils/String8.cpp
index 2d06023..4fca2c1 100644
--- a/libutils/String8.cpp
+++ b/libutils/String8.cpp
@@ -22,12 +22,13 @@
 #include <utils/Compat.h>
 #include <utils/Log.h>
 #include <utils/Unicode.h>
-#include <utils/SharedBuffer.h>
 #include <utils/String16.h>
 #include <utils/threads.h>
 
 #include <ctype.h>
 
+#include "SharedBuffer.h"
+
 /*
  * Functions outside android is below the namespace android, since they use
  * functions and constants in android namespace.
@@ -214,6 +215,16 @@
     SharedBuffer::bufferFromData(mString)->release();
 }
 
+size_t String8::length() const
+{
+    return SharedBuffer::sizeFromData(mString)-1;
+}
+
+const SharedBuffer* String8::sharedBuffer() const
+{
+    return SharedBuffer::bufferFromData(mString);
+}
+
 String8 String8::format(const char* fmt, ...)
 {
     va_list args;
diff --git a/libutils/VectorImpl.cpp b/libutils/VectorImpl.cpp
index 7c53472..e8d40ed 100644
--- a/libutils/VectorImpl.cpp
+++ b/libutils/VectorImpl.cpp
@@ -24,9 +24,10 @@
 #include <safe_iop.h>
 
 #include <utils/Errors.h>
-#include <utils/SharedBuffer.h>
 #include <utils/VectorImpl.h>
 
+#include "SharedBuffer.h"
+
 /*****************************************************************************/