diff --git a/api/current.txt b/api/current.txt
index b059841..17f4978 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -10128,13 +10128,13 @@
     field public android.graphics.Bitmap inBitmap;
     field public int inDensity;
     field public boolean inDither;
-    field public boolean inInputShareable;
+    field public deprecated boolean inInputShareable;
     field public boolean inJustDecodeBounds;
     field public boolean inMutable;
     field public boolean inPreferQualityOverSpeed;
     field public android.graphics.Bitmap.Config inPreferredConfig;
     field public boolean inPremultiplied;
-    field public boolean inPurgeable;
+    field public deprecated boolean inPurgeable;
     field public int inSampleSize;
     field public boolean inScaled;
     field public int inScreenDensity;
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index e069876..2491609 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -29,7 +29,6 @@
 
 #include <SkGraphics.h>
 #include <SkImageDecoder.h>
-#include <SkImageRef_GlobalPool.h>
 
 #include "jni.h"
 #include "JNIHelp.h"
@@ -248,11 +247,6 @@
     // this sets our preference for 16bit images during decode
     // in case the src is opaque and 24bit
     SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
-    // This cache is shared between browser native images, and java "purgeable"
-    // bitmaps. This globalpool is for images that do not either use the java
-    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
-    // java call site.
-    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
     // There is also a global font cache, but its budget is specified in code
     // see SkFontHost_android.cpp
 
diff --git a/core/jni/android/graphics/BitmapFactory.cpp b/core/jni/android/graphics/BitmapFactory.cpp
index 928a7f8..5106f0d 100644
--- a/core/jni/android/graphics/BitmapFactory.cpp
+++ b/core/jni/android/graphics/BitmapFactory.cpp
@@ -2,11 +2,8 @@
 
 #include "BitmapFactory.h"
 #include "NinePatchPeeker.h"
-#include "SkData.h"
 #include "SkFrontBufferedStream.h"
 #include "SkImageDecoder.h"
-#include "SkImageRef_ashmem.h"
-#include "SkImageRef_GlobalPool.h"
 #include "SkMath.h"
 #include "SkPixelRef.h"
 #include "SkStream.h"
@@ -32,8 +29,6 @@
 jfieldID gOptions_premultipliedFieldID;
 jfieldID gOptions_mutableFieldID;
 jfieldID gOptions_ditherFieldID;
-jfieldID gOptions_purgeableFieldID;
-jfieldID gOptions_shareableFieldID;
 jfieldID gOptions_preferQualityOverSpeedFieldID;
 jfieldID gOptions_scaledFieldID;
 jfieldID gOptions_densityFieldID;
@@ -90,14 +85,6 @@
     return jstr;
 }
 
-static bool optionsPurgeable(JNIEnv* env, jobject options) {
-    return options != NULL && env->GetBooleanField(options, gOptions_purgeableFieldID);
-}
-
-static bool optionsShareable(JNIEnv* env, jobject options) {
-    return options != NULL && env->GetBooleanField(options, gOptions_shareableFieldID);
-}
-
 static bool optionsJustBounds(JNIEnv* env, jobject options) {
     return options != NULL && env->GetBooleanField(options, gOptions_justBoundsFieldID);
 }
@@ -125,27 +112,6 @@
     }
 }
 
-static SkPixelRef* installPixelRef(SkBitmap* bitmap, SkStreamRewindable* stream,
-        int sampleSize, bool ditherImage) {
-
-    if (kUnknown_SkColorType == bitmap->colorType()) {
-        ALOGW("bitmap has unknown configuration so no memory has been allocated");
-        return NULL;
-    }
-
-    SkImageRef* pr;
-    // only use ashmem for large images, since mmaps come at a price
-    if (bitmap->getSize() >= 32 * 1024) {
-        pr = new SkImageRef_ashmem(bitmap->info(), stream, sampleSize);
-    } else {
-        pr = new SkImageRef_GlobalPool(bitmap->info(), stream, sampleSize);
-    }
-    pr->setDitherImage(ditherImage);
-    bitmap->setPixelRef(pr)->unref();
-    pr->isOpaque(bitmap);
-    return pr;
-}
-
 static SkColorType colorTypeForScaledOutput(SkColorType colorType) {
     switch (colorType) {
         case kUnknown_SkColorType:
@@ -229,21 +195,17 @@
     const unsigned int mSize;
 };
 
-// since we "may" create a purgeable imageref, we require the stream be ref'able
-// i.e. dynamically allocated, since its lifetime may exceed the current stack
-// frame.
 static jobject doDecode(JNIEnv* env, SkStreamRewindable* stream, jobject padding,
-        jobject options, bool allowPurgeable, bool forcePurgeable = false) {
+        jobject options) {
 
     int sampleSize = 1;
 
-    SkImageDecoder::Mode mode = SkImageDecoder::kDecodePixels_Mode;
+    SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodePixels_Mode;
     SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config;
 
     bool doDither = true;
     bool isMutable = false;
     float scale = 1.0f;
-    bool isPurgeable = forcePurgeable || (allowPurgeable && optionsPurgeable(env, options));
     bool preferQualityOverSpeed = false;
     bool requireUnpremultiplied = false;
 
@@ -252,7 +214,7 @@
     if (options != NULL) {
         sampleSize = env->GetIntField(options, gOptions_sampleSizeFieldID);
         if (optionsJustBounds(env, options)) {
-            mode = SkImageDecoder::kDecodeBounds_Mode;
+            decodeMode = SkImageDecoder::kDecodeBounds_Mode;
         }
 
         // initialize these, in case we fail later on
@@ -280,7 +242,6 @@
     }
 
     const bool willScale = scale != 1.0f;
-    isPurgeable &= !willScale;
 
     SkImageDecoder* decoder = SkImageDecoder::Factory(stream);
     if (decoder == NULL) {
@@ -311,8 +272,6 @@
     NinePatchPeeker peeker(decoder);
     decoder->setPeeker(&peeker);
 
-    SkImageDecoder::Mode decodeMode = isPurgeable ? SkImageDecoder::kDecodeBounds_Mode : mode;
-
     JavaPixelAllocator javaAllocator(env);
     RecyclingPixelAllocator recyclingAllocator(outputBitmap->pixelRef(), existingBufferSize);
     ScaleCheckingAllocator scaleCheckingAllocator(scale, existingBufferSize);
@@ -353,7 +312,7 @@
     int scaledWidth = decodingBitmap.width();
     int scaledHeight = decodingBitmap.height();
 
-    if (willScale && mode != SkImageDecoder::kDecodeBounds_Mode) {
+    if (willScale && decodeMode != SkImageDecoder::kDecodeBounds_Mode) {
         scaledWidth = int(scaledWidth * scale + 0.5f);
         scaledHeight = int(scaledHeight * scale + 0.5f);
     }
@@ -367,7 +326,7 @@
     }
 
     // if we're in justBounds mode, return now (skip the java bitmap)
-    if (mode == SkImageDecoder::kDecodeBounds_Mode) {
+    if (decodeMode == SkImageDecoder::kDecodeBounds_Mode) {
         return NULL;
     }
 
@@ -459,21 +418,15 @@
         }
     }
 
-    SkPixelRef* pr;
-    if (isPurgeable) {
-        pr = installPixelRef(outputBitmap, stream, sampleSize, doDither);
-    } else {
-        // if we get here, we're in kDecodePixels_Mode and will therefore
-        // already have a pixelref installed.
-        pr = outputBitmap->pixelRef();
-    }
-    if (pr == NULL) {
+    // if we get here, we're in kDecodePixels_Mode and will therefore
+    // already have a pixelref installed.
+    if (outputBitmap->pixelRef() == NULL) {
         return nullObjectReturn("Got null SkPixelRef");
     }
 
     if (!isMutable && javaBitmap == NULL) {
         // promise we will never change our pixels (great for sharing and pictures)
-        pr->setImmutable();
+        outputBitmap->setImmutable();
     }
 
     // detach bitmap from its autodeleter, since we want to own it now
@@ -512,8 +465,7 @@
         SkAutoTUnref<SkStreamRewindable> bufferedStream(
                 SkFrontBufferedStream::Create(stream, BYTES_TO_BUFFER));
         SkASSERT(bufferedStream.get() != NULL);
-        // for now we don't allow purgeable with java inputstreams
-        bitmap = doDecode(env, bufferedStream, padding, options, false, false);
+        bitmap = doDecode(env, bufferedStream, padding, options);
     }
     return bitmap;
 }
@@ -542,76 +494,33 @@
     SkAutoTUnref<SkFILEStream> fileStream(new SkFILEStream(file,
                          SkFILEStream::kCallerRetains_Ownership));
 
-    SkAutoTUnref<SkStreamRewindable> stream;
+    // Use a buffered stream. Although an SkFILEStream can be rewound, this
+    // ensures that SkImageDecoder::Factory never rewinds beyond the
+    // current position of the file descriptor.
+    SkAutoTUnref<SkStreamRewindable> stream(SkFrontBufferedStream::Create(fileStream,
+            BYTES_TO_BUFFER));
 
-    // Retain the old behavior of allowing purgeable if both purgeable and
-    // shareable are set to true.
-    bool isPurgeable = optionsPurgeable(env, bitmapFactoryOptions)
-                       && optionsShareable(env, bitmapFactoryOptions);
-    if (isPurgeable) {
-        // Copy the stream, so the image can be decoded multiple times without
-        // continuing to modify the original file descriptor.
-        // Copy beginning from the current position.
-        const size_t fileSize = fileStream->getLength() - fileStream->getPosition();
-        void* buffer = sk_malloc_flags(fileSize, 0);
-        if (buffer == NULL) {
-            return nullObjectReturn("Could not make a copy for ashmem");
-        }
-
-        SkAutoTUnref<SkData> data(SkData::NewFromMalloc(buffer, fileSize));
-
-        if (fileStream->read(buffer, fileSize) != fileSize) {
-            return nullObjectReturn("Could not read the file.");
-        }
-
-        stream.reset(new SkMemoryStream(data));
-    } else {
-        // Use a buffered stream. Although an SkFILEStream can be rewound, this
-        // ensures that SkImageDecoder::Factory never rewinds beyond the
-        // current position of the file descriptor.
-        stream.reset(SkFrontBufferedStream::Create(fileStream, BYTES_TO_BUFFER));
-    }
-
-    return doDecode(env, stream, padding, bitmapFactoryOptions, isPurgeable);
+    return doDecode(env, stream, padding, bitmapFactoryOptions);
 }
 
 static jobject nativeDecodeAsset(JNIEnv* env, jobject clazz, jlong native_asset,
         jobject padding, jobject options) {
 
-    SkStreamRewindable* stream;
     Asset* asset = reinterpret_cast<Asset*>(native_asset);
-    bool forcePurgeable = optionsPurgeable(env, options);
-    if (forcePurgeable) {
-        // if we could "ref/reopen" the asset, we may not need to copy it here
-        // and we could assume optionsShareable, since assets are always RO
-        stream = CopyAssetToStream(asset);
-        if (stream == NULL) {
-            return NULL;
-        }
-    } else {
-        // since we know we'll be done with the asset when we return, we can
-        // just use a simple wrapper
-        stream = new AssetStreamAdaptor(asset,
-                                        AssetStreamAdaptor::kNo_OwnAsset,
-                                        AssetStreamAdaptor::kNo_HasMemoryBase);
-    }
-    SkAutoUnref aur(stream);
-    return doDecode(env, stream, padding, options, forcePurgeable, forcePurgeable);
+    // since we know we'll be done with the asset when we return, we can
+    // just use a simple wrapper
+    SkAutoTUnref<SkStreamRewindable> stream(new AssetStreamAdaptor(asset,
+            AssetStreamAdaptor::kNo_OwnAsset, AssetStreamAdaptor::kNo_HasMemoryBase));
+    return doDecode(env, stream, padding, options);
 }
 
 static jobject nativeDecodeByteArray(JNIEnv* env, jobject, jbyteArray byteArray,
         jint offset, jint length, jobject options) {
 
-    /*  If optionsShareable() we could decide to just wrap the java array and
-        share it, but that means adding a globalref to the java array object
-        and managing its lifetime. For now we just always copy the array's data
-        if optionsPurgeable(), unless we're just decoding bounds.
-     */
-    bool purgeable = optionsPurgeable(env, options) && !optionsJustBounds(env, options);
     AutoJavaByteArray ar(env, byteArray);
-    SkMemoryStream* stream = new SkMemoryStream(ar.ptr() + offset, length, purgeable);
+    SkMemoryStream* stream = new SkMemoryStream(ar.ptr() + offset, length, false);
     SkAutoUnref aur(stream);
-    return doDecode(env, stream, NULL, options, purgeable);
+    return doDecode(env, stream, NULL, options);
 }
 
 static void nativeRequestCancel(JNIEnv*, jobject joptions) {
@@ -675,8 +584,6 @@
     gOptions_premultipliedFieldID = getFieldIDCheck(env, options_class, "inPremultiplied", "Z");
     gOptions_mutableFieldID = getFieldIDCheck(env, options_class, "inMutable", "Z");
     gOptions_ditherFieldID = getFieldIDCheck(env, options_class, "inDither", "Z");
-    gOptions_purgeableFieldID = getFieldIDCheck(env, options_class, "inPurgeable", "Z");
-    gOptions_shareableFieldID = getFieldIDCheck(env, options_class, "inInputShareable", "Z");
     gOptions_preferQualityOverSpeedFieldID = getFieldIDCheck(env, options_class,
             "inPreferQualityOverSpeed", "Z");
     gOptions_scaledFieldID = getFieldIDCheck(env, options_class, "inScaled", "Z");
diff --git a/core/jni/android/graphics/Canvas.cpp b/core/jni/android/graphics/Canvas.cpp
index 5fca582..795b966 100644
--- a/core/jni/android/graphics/Canvas.cpp
+++ b/core/jni/android/graphics/Canvas.cpp
@@ -22,7 +22,6 @@
 #include "SkDevice.h"
 #include "SkDrawFilter.h"
 #include "SkGraphics.h"
-#include "SkImageRef_GlobalPool.h"
 #include "SkPorterDuff.h"
 #include "SkShader.h"
 #include "SkTemplates.h"
@@ -161,8 +160,6 @@
     }
 
     static void freeCaches(JNIEnv* env, jobject) {
-        // these are called in no particular order
-        SkImageRef_GlobalPool::SetRAMUsed(0);
         SkGraphics::PurgeFontCache();
     }
 
diff --git a/graphics/java/android/graphics/BitmapFactory.java b/graphics/java/android/graphics/BitmapFactory.java
index c20502f..bc20ea5 100644
--- a/graphics/java/android/graphics/BitmapFactory.java
+++ b/graphics/java/android/graphics/BitmapFactory.java
@@ -260,7 +260,11 @@
         public boolean inScaled;
 
         /**
-         * If this is set to true, then the resulting bitmap will allocate its
+         * @deprecated As of {@link android.os.Build.VERSION_CODES#L}, this is
+         * ignored.
+         *
+         * In {@link android.os.Build.VERSION_CODES#KITKAT} and below, if this
+         * is set to true, then the resulting bitmap will allocate its
          * pixels such that they can be purged if the system needs to reclaim
          * memory. In that instance, when the pixels need to be accessed again
          * (e.g. the bitmap is drawn, getPixels() is called), they will be
@@ -287,14 +291,20 @@
          * android.graphics.BitmapFactory.Options)} or {@link #decodeFile(String,
          * android.graphics.BitmapFactory.Options)}.</p>
          */
+        @Deprecated
         public boolean inPurgeable;
 
         /**
-         * This field works in conjuction with inPurgeable. If inPurgeable is
-         * false, then this field is ignored. If inPurgeable is true, then this
-         * field determines whether the bitmap can share a reference to the
-         * input data (inputstream, array, etc.) or if it must make a deep copy.
+         * @deprecated As of {@link android.os.Build.VERSION_CODES#L}, this is
+         * ignored.
+         *
+         * In {@link android.os.Build.VERSION_CODES#KITKAT} and below, this
+         * field works in conjuction with inPurgeable. If inPurgeable is false,
+         * then this field is ignored. If inPurgeable is true, then this field
+         * determines whether the bitmap can share a reference to the input
+         * data (inputstream, array, etc.) or if it must make a deep copy.
          */
+        @Deprecated
         public boolean inInputShareable;
 
         /**