diff --git a/api/current.txt b/api/current.txt
index fc0dd62..df3822c 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -12601,7 +12601,6 @@
 
   public class BitmapShader extends android.graphics.Shader {
     ctor public BitmapShader(android.graphics.Bitmap, android.graphics.Shader.TileMode, android.graphics.Shader.TileMode);
-    method public void set(android.graphics.Bitmap, android.graphics.Shader.TileMode, android.graphics.Shader.TileMode);
   }
 
   public class BlurMaskFilter extends android.graphics.MaskFilter {
@@ -12854,8 +12853,6 @@
     ctor public ColorMatrixColorFilter(android.graphics.ColorMatrix);
     ctor public ColorMatrixColorFilter(float[]);
     method public void getColorMatrix(android.graphics.ColorMatrix);
-    method public void setColorMatrix(android.graphics.ColorMatrix);
-    method public void setColorMatrixArray(float[]);
   }
 
   public abstract class ColorSpace {
@@ -12996,8 +12993,6 @@
   public class ComposeShader extends android.graphics.Shader {
     ctor public ComposeShader(android.graphics.Shader, android.graphics.Shader, android.graphics.Xfermode);
     ctor public ComposeShader(android.graphics.Shader, android.graphics.Shader, android.graphics.PorterDuff.Mode);
-    method public void set(android.graphics.Shader, android.graphics.Shader, android.graphics.Xfermode);
-    method public void set(android.graphics.Shader, android.graphics.Shader, android.graphics.PorterDuff.Mode);
   }
 
   public class CornerPathEffect extends android.graphics.PathEffect {
@@ -13070,15 +13065,11 @@
     ctor public LightingColorFilter(int, int);
     method public int getColorAdd();
     method public int getColorMultiply();
-    method public void setColorAdd(int);
-    method public void setColorMultiply(int);
   }
 
   public class LinearGradient extends android.graphics.Shader {
     ctor public LinearGradient(float, float, float, float, int[], float[], android.graphics.Shader.TileMode);
     ctor public LinearGradient(float, float, float, float, int, int, android.graphics.Shader.TileMode);
-    method public void set(float, float, float, float, int[], float[], android.graphics.Shader.TileMode);
-    method public void set(float, float, float, float, int, int, android.graphics.Shader.TileMode);
   }
 
   public class MaskFilter {
@@ -13588,10 +13579,6 @@
 
   public class PorterDuffColorFilter extends android.graphics.ColorFilter {
     ctor public PorterDuffColorFilter(int, android.graphics.PorterDuff.Mode);
-    method public int getColor();
-    method public android.graphics.PorterDuff.Mode getMode();
-    method public void setColor(int);
-    method public void setMode(android.graphics.PorterDuff.Mode);
   }
 
   public class PorterDuffXfermode extends android.graphics.Xfermode {
@@ -13601,8 +13588,6 @@
   public class RadialGradient extends android.graphics.Shader {
     ctor public RadialGradient(float, float, float, int[], float[], android.graphics.Shader.TileMode);
     ctor public RadialGradient(float, float, float, int, int, android.graphics.Shader.TileMode);
-    method public void set(float, float, float, int[], float[], android.graphics.Shader.TileMode);
-    method public void set(float, float, float, int, int, android.graphics.Shader.TileMode);
   }
 
   public final class Rect implements android.os.Parcelable {
@@ -13787,8 +13772,6 @@
   public class SweepGradient extends android.graphics.Shader {
     ctor public SweepGradient(float, float, int[], float[]);
     ctor public SweepGradient(float, float, int, int);
-    method public void set(float, float, int[], float[]);
-    method public void set(float, float, int, int);
   }
 
   public class Typeface {
diff --git a/api/system-current.txt b/api/system-current.txt
index 9cf0a6d..0a761a2 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -13375,7 +13375,6 @@
 
   public class BitmapShader extends android.graphics.Shader {
     ctor public BitmapShader(android.graphics.Bitmap, android.graphics.Shader.TileMode, android.graphics.Shader.TileMode);
-    method public void set(android.graphics.Bitmap, android.graphics.Shader.TileMode, android.graphics.Shader.TileMode);
   }
 
   public class BlurMaskFilter extends android.graphics.MaskFilter {
@@ -13628,8 +13627,6 @@
     ctor public ColorMatrixColorFilter(android.graphics.ColorMatrix);
     ctor public ColorMatrixColorFilter(float[]);
     method public void getColorMatrix(android.graphics.ColorMatrix);
-    method public void setColorMatrix(android.graphics.ColorMatrix);
-    method public void setColorMatrixArray(float[]);
   }
 
   public abstract class ColorSpace {
@@ -13770,8 +13767,6 @@
   public class ComposeShader extends android.graphics.Shader {
     ctor public ComposeShader(android.graphics.Shader, android.graphics.Shader, android.graphics.Xfermode);
     ctor public ComposeShader(android.graphics.Shader, android.graphics.Shader, android.graphics.PorterDuff.Mode);
-    method public void set(android.graphics.Shader, android.graphics.Shader, android.graphics.Xfermode);
-    method public void set(android.graphics.Shader, android.graphics.Shader, android.graphics.PorterDuff.Mode);
   }
 
   public class CornerPathEffect extends android.graphics.PathEffect {
@@ -13844,15 +13839,11 @@
     ctor public LightingColorFilter(int, int);
     method public int getColorAdd();
     method public int getColorMultiply();
-    method public void setColorAdd(int);
-    method public void setColorMultiply(int);
   }
 
   public class LinearGradient extends android.graphics.Shader {
     ctor public LinearGradient(float, float, float, float, int[], float[], android.graphics.Shader.TileMode);
     ctor public LinearGradient(float, float, float, float, int, int, android.graphics.Shader.TileMode);
-    method public void set(float, float, float, float, int[], float[], android.graphics.Shader.TileMode);
-    method public void set(float, float, float, float, int, int, android.graphics.Shader.TileMode);
   }
 
   public class MaskFilter {
@@ -14362,10 +14353,6 @@
 
   public class PorterDuffColorFilter extends android.graphics.ColorFilter {
     ctor public PorterDuffColorFilter(int, android.graphics.PorterDuff.Mode);
-    method public int getColor();
-    method public android.graphics.PorterDuff.Mode getMode();
-    method public void setColor(int);
-    method public void setMode(android.graphics.PorterDuff.Mode);
   }
 
   public class PorterDuffXfermode extends android.graphics.Xfermode {
@@ -14375,8 +14362,6 @@
   public class RadialGradient extends android.graphics.Shader {
     ctor public RadialGradient(float, float, float, int[], float[], android.graphics.Shader.TileMode);
     ctor public RadialGradient(float, float, float, int, int, android.graphics.Shader.TileMode);
-    method public void set(float, float, float, int[], float[], android.graphics.Shader.TileMode);
-    method public void set(float, float, float, int, int, android.graphics.Shader.TileMode);
   }
 
   public final class Rect implements android.os.Parcelable {
@@ -14561,8 +14546,6 @@
   public class SweepGradient extends android.graphics.Shader {
     ctor public SweepGradient(float, float, int[], float[]);
     ctor public SweepGradient(float, float, int, int);
-    method public void set(float, float, int[], float[]);
-    method public void set(float, float, int, int);
   }
 
   public class Typeface {
diff --git a/api/test-current.txt b/api/test-current.txt
index 9652fdf..53cc4b8 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -12643,7 +12643,6 @@
 
   public class BitmapShader extends android.graphics.Shader {
     ctor public BitmapShader(android.graphics.Bitmap, android.graphics.Shader.TileMode, android.graphics.Shader.TileMode);
-    method public void set(android.graphics.Bitmap, android.graphics.Shader.TileMode, android.graphics.Shader.TileMode);
   }
 
   public class BlurMaskFilter extends android.graphics.MaskFilter {
@@ -12896,8 +12895,6 @@
     ctor public ColorMatrixColorFilter(android.graphics.ColorMatrix);
     ctor public ColorMatrixColorFilter(float[]);
     method public void getColorMatrix(android.graphics.ColorMatrix);
-    method public void setColorMatrix(android.graphics.ColorMatrix);
-    method public void setColorMatrixArray(float[]);
   }
 
   public abstract class ColorSpace {
@@ -13038,8 +13035,6 @@
   public class ComposeShader extends android.graphics.Shader {
     ctor public ComposeShader(android.graphics.Shader, android.graphics.Shader, android.graphics.Xfermode);
     ctor public ComposeShader(android.graphics.Shader, android.graphics.Shader, android.graphics.PorterDuff.Mode);
-    method public void set(android.graphics.Shader, android.graphics.Shader, android.graphics.Xfermode);
-    method public void set(android.graphics.Shader, android.graphics.Shader, android.graphics.PorterDuff.Mode);
   }
 
   public class CornerPathEffect extends android.graphics.PathEffect {
@@ -13112,15 +13107,11 @@
     ctor public LightingColorFilter(int, int);
     method public int getColorAdd();
     method public int getColorMultiply();
-    method public void setColorAdd(int);
-    method public void setColorMultiply(int);
   }
 
   public class LinearGradient extends android.graphics.Shader {
     ctor public LinearGradient(float, float, float, float, int[], float[], android.graphics.Shader.TileMode);
     ctor public LinearGradient(float, float, float, float, int, int, android.graphics.Shader.TileMode);
-    method public void set(float, float, float, float, int[], float[], android.graphics.Shader.TileMode);
-    method public void set(float, float, float, float, int, int, android.graphics.Shader.TileMode);
   }
 
   public class MaskFilter {
@@ -13630,10 +13621,6 @@
 
   public class PorterDuffColorFilter extends android.graphics.ColorFilter {
     ctor public PorterDuffColorFilter(int, android.graphics.PorterDuff.Mode);
-    method public int getColor();
-    method public android.graphics.PorterDuff.Mode getMode();
-    method public void setColor(int);
-    method public void setMode(android.graphics.PorterDuff.Mode);
   }
 
   public class PorterDuffXfermode extends android.graphics.Xfermode {
@@ -13643,8 +13630,6 @@
   public class RadialGradient extends android.graphics.Shader {
     ctor public RadialGradient(float, float, float, int[], float[], android.graphics.Shader.TileMode);
     ctor public RadialGradient(float, float, float, int, int, android.graphics.Shader.TileMode);
-    method public void set(float, float, float, int[], float[], android.graphics.Shader.TileMode);
-    method public void set(float, float, float, int, int, android.graphics.Shader.TileMode);
   }
 
   public final class Rect implements android.os.Parcelable {
@@ -13829,8 +13814,6 @@
   public class SweepGradient extends android.graphics.Shader {
     ctor public SweepGradient(float, float, int[], float[]);
     ctor public SweepGradient(float, float, int, int);
-    method public void set(float, float, int[], float[]);
-    method public void set(float, float, int, int);
   }
 
   public class Typeface {
diff --git a/graphics/java/android/graphics/BitmapShader.java b/graphics/java/android/graphics/BitmapShader.java
index 7e6756e..5577f53 100644
--- a/graphics/java/android/graphics/BitmapShader.java
+++ b/graphics/java/android/graphics/BitmapShader.java
@@ -41,35 +41,16 @@
      * @param tileY The tiling mode for y to draw the bitmap in.
      */
     public BitmapShader(@NonNull Bitmap bitmap, @NonNull TileMode tileX, @NonNull TileMode tileY) {
-        set(bitmap, tileX, tileY);
+        this(bitmap, tileX.nativeInt, tileY.nativeInt);
     }
 
     private BitmapShader(Bitmap bitmap, int tileX, int tileY) {
-        setInternal(bitmap, tileX, tileY);
-    }
-
-    /**
-     * Reinitialize the BitmapShader's Bitmap and tile modes.
-     *
-     * @param bitmap The bitmap to use inside the shader
-     * @param tileX The tiling mode for x to draw the bitmap in.
-     * @param tileY The tiling mode for y to draw the bitmap in.
-     */
-    public void set(@NonNull Bitmap bitmap, @NonNull TileMode tileX, @NonNull TileMode tileY) {
-        if (tileX == null || tileY == null) {
-            throw new IllegalArgumentException();
-        }
-        setInternal(bitmap, tileX.nativeInt, tileY.nativeInt);
-    }
-
-    private void setInternal(Bitmap bitmap, int tileX, int tileY) {
         if (bitmap == null) {
             throw new IllegalArgumentException("Bitmap must be non-null");
         }
         if (bitmap == mBitmap && tileX == mTileX && tileY == mTileY) {
             return;
         }
-        discardNativeInstance();
         mBitmap = bitmap;
         mTileX = tileX;
         mTileY = tileY;
diff --git a/graphics/java/android/graphics/ColorMatrixColorFilter.java b/graphics/java/android/graphics/ColorMatrixColorFilter.java
index 61f6cc5..9201a2e 100644
--- a/graphics/java/android/graphics/ColorMatrixColorFilter.java
+++ b/graphics/java/android/graphics/ColorMatrixColorFilter.java
@@ -73,6 +73,8 @@
      * @see #getColorMatrix(ColorMatrix)
      * @see #setColorMatrixArray(float[])
      * @see ColorMatrix#reset()
+     *
+     * @hide
      */
     public void setColorMatrix(@Nullable ColorMatrix matrix) {
         discardNativeInstance();
@@ -99,6 +101,8 @@
      *
      * @throws ArrayIndexOutOfBoundsException if the specified array's
      *         length is < 20
+     *
+     * @hide
      */
     public void setColorMatrixArray(@Nullable float[] array) {
         // called '...Array' so that passing null isn't ambiguous
diff --git a/graphics/java/android/graphics/ComposeShader.java b/graphics/java/android/graphics/ComposeShader.java
index 8438bf2..e107ea7 100644
--- a/graphics/java/android/graphics/ComposeShader.java
+++ b/graphics/java/android/graphics/ComposeShader.java
@@ -59,43 +59,10 @@
     }
 
     private ComposeShader(Shader shaderA, Shader shaderB, int nativeMode) {
-        setInternal(shaderA, shaderB, nativeMode);
-    }
-
-    /**
-     * Reinitialize the ComposeShader's component Shaders and blend mode.
-     *
-     * @param shaderA  The colors from this shader are seen as the "dst" by the mode
-     * @param shaderB  The colors from this shader are seen as the "src" by the mode
-     * @param mode     The PorterDuff mode that combines the colors from the two shaders.
-     */
-    public void set(@NonNull Shader shaderA, @NonNull Shader shaderB, @NonNull Xfermode mode) {
-        setInternal(shaderA, shaderB, mode.porterDuffMode);
-    }
-
-    /**
-     * Reinitialize the ComposeShader's component Shaders and blend mode.
-     *
-     * @param shaderA  The colors from this shader are seen as the "dst" by the mode
-     * @param shaderB  The colors from this shader are seen as the "src" by the mode
-     * @param mode     The PorterDuff mode that combines the colors from the two shaders.
-     */
-    public void set(@NonNull Shader shaderA, @NonNull Shader shaderB,
-            @NonNull PorterDuff.Mode mode) {
-        setInternal(shaderA, shaderB, mode.nativeInt);
-    }
-
-    private void setInternal(Shader shaderA, Shader shaderB, int nativeMode) {
         if (shaderA == null || shaderB == null) {
             throw new IllegalArgumentException("Shader parameters must not be null");
         }
 
-        if (shaderA == mShaderA && shaderB == mShaderB && mPorterDuffMode == nativeMode) {
-            // no work to do...
-            return;
-        }
-
-        discardNativeInstance();
         mShaderA = shaderA;
         mShaderB = shaderB;
         mPorterDuffMode = nativeMode;
@@ -109,16 +76,6 @@
                 mShaderA.getNativeInstance(), mShaderB.getNativeInstance(), mPorterDuffMode);
     }
 
-    @Override
-    void verifyNativeInstance() {
-        if (mShaderA.getNativeInstance() != mNativeInstanceShaderA
-                || mShaderB.getNativeInstance() != mNativeInstanceShaderB) {
-            // Child shader native instance has been updated,
-            // so our cached native instance is no longer valid - discard it
-            discardNativeInstance();
-        }
-    }
-
     /**
      * @hide
      */
diff --git a/graphics/java/android/graphics/LightingColorFilter.java b/graphics/java/android/graphics/LightingColorFilter.java
index b0c145b..1578ffb 100644
--- a/graphics/java/android/graphics/LightingColorFilter.java
+++ b/graphics/java/android/graphics/LightingColorFilter.java
@@ -57,8 +57,6 @@
     /**
      * Returns the RGB color used to multiply the source color when the
      * color filter is applied.
-     *
-     * @see #setColorMultiply(int)
      */
     @ColorInt
     public int getColorMultiply() {
@@ -71,6 +69,8 @@
      * The alpha channel of this color is ignored.
      *
      * @see #getColorMultiply()
+     *
+     * @hide
      */
     public void setColorMultiply(@ColorInt int mul) {
         if (mMul != mul) {
@@ -82,8 +82,6 @@
     /**
      * Returns the RGB color that will be added to the source color
      * when the color filter is applied.
-     *
-     * @see #setColorAdd(int)
      */
     @ColorInt
     public int getColorAdd() {
@@ -96,6 +94,8 @@
      * The alpha channel of this color is ignored.
      *
      * @see #getColorAdd()
+     *
+     * @hide
      */
     public void setColorAdd(@ColorInt int add) {
         if (mAdd != add) {
diff --git a/graphics/java/android/graphics/LinearGradient.java b/graphics/java/android/graphics/LinearGradient.java
index 0e4cd0a..7139efe 100644
--- a/graphics/java/android/graphics/LinearGradient.java
+++ b/graphics/java/android/graphics/LinearGradient.java
@@ -57,7 +57,20 @@
     */
     public LinearGradient(float x0, float y0, float x1, float y1, @NonNull @ColorInt int colors[],
             @Nullable float positions[], @NonNull TileMode tile) {
-        set(x0, y0, x1, y1, colors, positions, tile);
+        if (colors.length < 2) {
+            throw new IllegalArgumentException("needs >= 2 number of colors");
+        }
+        if (positions != null && colors.length != positions.length) {
+            throw new IllegalArgumentException("color and position arrays must be of equal length");
+        }
+        mType = TYPE_COLORS_AND_POSITIONS;
+        mX0 = x0;
+        mY0 = y0;
+        mX1 = x1;
+        mY1 = y1;
+        mColors = colors.clone();
+        mPositions = positions != null ? positions.clone() : null;
+        mTileMode = tile;
     }
 
     /**
@@ -74,56 +87,6 @@
     public LinearGradient(float x0, float y0, float x1, float y1,
             @ColorInt int color0, @ColorInt int color1,
             @NonNull TileMode tile) {
-        set(x0, y0, x1, y1, color0, color1, tile);
-    }
-
-    /**
-     * Reinitialize the shader.
-     *
-     * @param x0           The x-coordinate for the start of the gradient line
-     * @param y0           The y-coordinate for the start of the gradient line
-     * @param x1           The x-coordinate for the end of the gradient line
-     * @param y1           The y-coordinate for the end of the gradient line
-     * @param colors       The colors to be distributed along the gradient line
-     * @param positions    May be null. The relative positions [0..1] of
-     *                     each corresponding color in the colors array. If this is null,
-     *                     the the colors are distributed evenly along the gradient line.
-     * @param  tile        The Shader tiling mode
-     */
-    public void set(float x0, float y0, float x1, float y1, @NonNull @ColorInt int colors[],
-            @Nullable float positions[], @NonNull TileMode tile) {
-        if (colors.length < 2) {
-            throw new IllegalArgumentException("needs >= 2 number of colors");
-        }
-        if (positions != null && colors.length != positions.length) {
-            throw new IllegalArgumentException("color and position arrays must be of equal length");
-        }
-        discardNativeInstance();
-        mType = TYPE_COLORS_AND_POSITIONS;
-        mX0 = x0;
-        mY0 = y0;
-        mX1 = x1;
-        mY1 = y1;
-        mColors = colors.clone();
-        mPositions = positions != null ? positions.clone() : null;
-        mTileMode = tile;
-    }
-
-    /**
-     * Reinitialize the shader.
-     *
-     * @param x0       The x-coordinate for the start of the gradient line
-     * @param y0       The y-coordinate for the start of the gradient line
-     * @param x1       The x-coordinate for the end of the gradient line
-     * @param y1       The y-coordinate for the end of the gradient line
-     * @param color0   The color at the start of the gradient line.
-     * @param color1   The color at the end of the gradient line.
-     * @param tile     The Shader tiling mode
-    */
-    public void set(float x0, float y0, float x1, float y1,
-            @ColorInt int color0, @ColorInt int color1,
-            @NonNull TileMode tile) {
-        discardNativeInstance();
         mType = TYPE_COLOR_START_AND_COLOR_END;
         mX0 = x0;
         mY0 = y0;
diff --git a/graphics/java/android/graphics/PorterDuffColorFilter.java b/graphics/java/android/graphics/PorterDuffColorFilter.java
index ccc6ead..01d5825 100644
--- a/graphics/java/android/graphics/PorterDuffColorFilter.java
+++ b/graphics/java/android/graphics/PorterDuffColorFilter.java
@@ -49,6 +49,8 @@
      *
      * @see Color
      * @see #setColor(int)
+     *
+     * @hide
      */
     @ColorInt
     public int getColor() {
@@ -64,6 +66,8 @@
      * @see Color
      * @see #getColor()
      * @see #getMode()
+     *
+     * @hide
      */
     public void setColor(@ColorInt int color) {
         if (mColor != color) {
@@ -78,6 +82,8 @@
      *
      * @see PorterDuff
      * @see #setMode(android.graphics.PorterDuff.Mode)
+     *
+     * @hide
      */
     public PorterDuff.Mode getMode() {
         return mMode;
@@ -90,6 +96,8 @@
      * @see PorterDuff
      * @see #getMode()
      * @see #getColor()
+     *
+     * @hide
      */
     public void setMode(@NonNull PorterDuff.Mode mode) {
         if (mode == null) {
diff --git a/graphics/java/android/graphics/RadialGradient.java b/graphics/java/android/graphics/RadialGradient.java
index ae8f7da..f4b1191 100644
--- a/graphics/java/android/graphics/RadialGradient.java
+++ b/graphics/java/android/graphics/RadialGradient.java
@@ -57,7 +57,22 @@
     public RadialGradient(float centerX, float centerY, float radius,
             @NonNull @ColorInt int colors[], @Nullable float stops[],
             @NonNull TileMode tileMode) {
-        set(centerX, centerY, radius, colors, stops, tileMode);
+        if (radius <= 0) {
+            throw new IllegalArgumentException("radius must be > 0");
+        }
+        if (colors.length < 2) {
+            throw new IllegalArgumentException("needs >= 2 number of colors");
+        }
+        if (stops != null && colors.length != stops.length) {
+            throw new IllegalArgumentException("color and position arrays must be of equal length");
+        }
+        mType = TYPE_COLORS_AND_POSITIONS;
+        mX = centerX;
+        mY = centerY;
+        mRadius = radius;
+        mColors = colors.clone();
+        mPositions = stops != null ? stops.clone() : null;
+        mTileMode = tileMode;
     }
 
     /**
@@ -72,59 +87,9 @@
      */
     public RadialGradient(float centerX, float centerY, float radius,
             @ColorInt int centerColor, @ColorInt int edgeColor, @NonNull TileMode tileMode) {
-        set(centerX, centerY, radius, centerColor, edgeColor, tileMode);
-    }
-
-    /**
-     * Reinitialize the shader.
-     *
-     * @param centerX  The x-coordinate of the center of the radius
-     * @param centerY  The y-coordinate of the center of the radius
-     * @param radius   Must be positive. The radius of the circle for this gradient.
-     * @param colors   The colors to be distributed between the center and edge of the circle
-     * @param stops    May be <code>null</code>. Valid values are between <code>0.0f</code> and
-     *                 <code>1.0f</code>. The relative position of each corresponding color in
-     *                 the colors array. If <code>null</code>, colors are distributed evenly
-     *                 between the center and edge of the circle.
-     * @param tileMode The Shader tiling mode
-     */
-    public void set(float centerX, float centerY, float radius,
-            @NonNull @ColorInt int colors[], @Nullable float stops[], @NonNull TileMode tileMode) {
         if (radius <= 0) {
             throw new IllegalArgumentException("radius must be > 0");
         }
-        if (colors.length < 2) {
-            throw new IllegalArgumentException("needs >= 2 number of colors");
-        }
-        if (stops != null && colors.length != stops.length) {
-            throw new IllegalArgumentException("color and position arrays must be of equal length");
-        }
-        discardNativeInstance();
-        mType = TYPE_COLORS_AND_POSITIONS;
-        mX = centerX;
-        mY = centerY;
-        mRadius = radius;
-        mColors = colors.clone();
-        mPositions = stops != null ? stops.clone() : null;
-        mTileMode = tileMode;
-    }
-
-    /**
-     * Reinitialize the shader.
-     *
-     * @param centerX     The x-coordinate of the center of the radius
-     * @param centerY     The y-coordinate of the center of the radius
-     * @param radius      Must be positive. The radius of the circle for this gradient
-     * @param centerColor The color at the center of the circle.
-     * @param edgeColor   The color at the edge of the circle.
-     * @param tileMode    The Shader tiling mode
-     */
-    public void set(float centerX, float centerY, float radius,
-            @ColorInt int centerColor, @ColorInt int edgeColor, @NonNull TileMode tileMode) {
-        if (radius <= 0) {
-            throw new IllegalArgumentException("radius must be > 0");
-        }
-        discardNativeInstance();
         mType = TYPE_COLOR_CENTER_AND_COLOR_EDGE;
         mX = centerX;
         mY = centerY;
diff --git a/graphics/java/android/graphics/Shader.java b/graphics/java/android/graphics/Shader.java
index 8410ab2..c744757 100644
--- a/graphics/java/android/graphics/Shader.java
+++ b/graphics/java/android/graphics/Shader.java
@@ -105,20 +105,13 @@
         return 0;
     }
 
-    void discardNativeInstance() {
+    private void discardNativeInstance() {
         if (mNativeInstance != 0) {
             nativeSafeUnref(mNativeInstance);
             mNativeInstance = 0;
         }
     }
 
-    /**
-     * Callback for subclasses to call {@link #discardNativeInstance()} if the most recently
-     * constructed native instance is no longer valid.
-     */
-    void verifyNativeInstance() {
-    }
-
     @Override
     protected void finalize() throws Throwable {
         try {
@@ -155,9 +148,6 @@
             throw new IllegalStateException("attempting to use a finalized Shader");
         }
 
-        // verify mNativeInstance is valid
-        verifyNativeInstance();
-
         if (mNativeInstance == 0) {
             mNativeInstance = createNativeInstance(mLocalMatrix == null
                     ? 0 : mLocalMatrix.native_instance);
diff --git a/graphics/java/android/graphics/SweepGradient.java b/graphics/java/android/graphics/SweepGradient.java
index 0a1aef6..b6b80b4 100644
--- a/graphics/java/android/graphics/SweepGradient.java
+++ b/graphics/java/android/graphics/SweepGradient.java
@@ -54,7 +54,18 @@
      */
     public SweepGradient(float cx, float cy,
             @NonNull @ColorInt int colors[], @Nullable float positions[]) {
-        set(cx, cy, colors, positions);
+        if (colors.length < 2) {
+            throw new IllegalArgumentException("needs >= 2 number of colors");
+        }
+        if (positions != null && colors.length != positions.length) {
+            throw new IllegalArgumentException(
+                    "color and position arrays must be of equal length");
+        }
+        mType = TYPE_COLORS_AND_POSITIONS;
+        mCx = cx;
+        mCy = cy;
+        mColors = colors.clone();
+        mPositions = positions != null ? positions.clone() : null;
     }
 
     /**
@@ -66,50 +77,6 @@
      * @param color1   The color to use at the end of the sweep
      */
     public SweepGradient(float cx, float cy, @ColorInt int color0, @ColorInt int color1) {
-        set(cx, cy, color0, color1);
-    }
-
-    /**
-     * Reinitialize the shader.
-     *
-     * @param cx       The x-coordinate of the center
-     * @param cy       The y-coordinate of the center
-     * @param colors   The colors to be distributed between around the center.
-     *                 There must be at least 2 colors in the array.
-     * @param positions May be NULL. The relative position of
-     *                 each corresponding color in the colors array, beginning
-     *                 with 0 and ending with 1.0. If the values are not
-     *                 monotonic, the drawing may produce unexpected results.
-     *                 If positions is NULL, then the colors are automatically
-     *                 spaced evenly.
-     */
-    public void set(float cx, float cy,
-            @NonNull @ColorInt int colors[], @Nullable float positions[]) {
-        if (colors.length < 2) {
-            throw new IllegalArgumentException("needs >= 2 number of colors");
-        }
-        if (positions != null && colors.length != positions.length) {
-            throw new IllegalArgumentException(
-                    "color and position arrays must be of equal length");
-        }
-        discardNativeInstance();
-        mType = TYPE_COLORS_AND_POSITIONS;
-        mCx = cx;
-        mCy = cy;
-        mColors = colors.clone();
-        mPositions = positions != null ? positions.clone() : null;
-    }
-
-    /**
-     * Reinitialize the shader.
-     *
-     * @param cx       The x-coordinate of the center
-     * @param cy       The y-coordinate of the center
-     * @param color0   The color to use at the start of the sweep
-     * @param color1   The color to use at the end of the sweep
-     */
-    public void set(float cx, float cy, @ColorInt int color0, @ColorInt int color1) {
-        discardNativeInstance();
         mType = TYPE_COLOR_START_AND_COLOR_END;
         mCx = cx;
         mCy = cy;