diff --git a/core/java/android/content/pm/ActivityInfo.java b/core/java/android/content/pm/ActivityInfo.java
index 16c834d18b9e3..18f9e53dc528b 100644
--- a/core/java/android/content/pm/ActivityInfo.java
+++ b/core/java/android/content/pm/ActivityInfo.java
@@ -763,26 +763,6 @@ public class ActivityInfo extends ComponentInfo
      * constant starts at the high bits.
      */
     public static final int CONFIG_FONT_SCALE = 0x40000000;
-    /**
-     * Bit in {@link #configChanges} that indicates that the activity
-     * can itself handle changes to the rotation.  Set from the
-     * {@link android.R.attr#configChanges} attribute.  This is
-     * not a core resource configuration, but a higher-level value, so its
-     * constant starts at the high bits.
-     * @hide We do not want apps to handle this. It will eventually be moved out of
-     * {@link Configuration}.
-     */
-    public static final int CONFIG_ROTATION = 0x20000000;
-    /**
-     * Bit in {@link #configChanges} that indicates that the activity
-     * can itself handle changes to the app bounds.  Set from the
-     * {@link android.R.attr#configChanges} attribute.  This is
-     * not a core resource configuration, but a higher-level value, so its
-     * constant starts at the high bits.
-     * @hide We do not want apps to handle this. It will eventually be moved out of
-     * {@link Configuration}.
-     */
-    public static final int CONFIG_APP_BOUNDS = 0x10000000;
 
     /** @hide
      * Unfortunately the constants for config changes in native code are
diff --git a/core/java/android/content/res/Configuration.java b/core/java/android/content/res/Configuration.java
index 7b96c6a3b5f50..af2713199950b 100644
--- a/core/java/android/content/res/Configuration.java
+++ b/core/java/android/content/res/Configuration.java
@@ -42,8 +42,6 @@ import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Locale;
 
-import static android.view.Surface.ROTATION_0;
-import static android.view.Surface.ROTATION_UNDEFINED;
 
 /**
  * This class describes all device configuration information that can
@@ -600,13 +598,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
      */
     public int orientation;
 
-    /**
-     * The mRotation used at the time orientation was determined.
-     * TODO(b/36812336): Move mRotation out of {@link Configuration}.
-     * {@hide}
-     */
-    private int mRotation;
-
     /** Constant for {@link #uiMode}: bits that encode the mode type. */
     public static final int UI_MODE_TYPE_MASK = 0x0f;
     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
@@ -894,7 +885,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         navigation = o.navigation;
         navigationHidden = o.navigationHidden;
         orientation = o.orientation;
-        mRotation = o.mRotation;
         screenLayout = o.screenLayout;
         colorMode = o.colorMode;
         uiMode = o.uiMode;
@@ -1085,7 +1075,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         navigation = NAVIGATION_UNDEFINED;
         navigationHidden = NAVIGATIONHIDDEN_UNDEFINED;
         orientation = ORIENTATION_UNDEFINED;
-        mRotation = ROTATION_UNDEFINED;
         screenLayout = SCREENLAYOUT_UNDEFINED;
         colorMode = COLOR_MODE_UNDEFINED;
         uiMode = UI_MODE_TYPE_UNDEFINED;
@@ -1194,11 +1183,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
             changed |= ActivityInfo.CONFIG_ORIENTATION;
             orientation = delta.orientation;
         }
-        if (delta.mRotation != ROTATION_UNDEFINED
-                && mRotation != delta.mRotation) {
-            changed |= ActivityInfo.CONFIG_ORIENTATION;
-            mRotation = delta.mRotation;
-        }
 
         if (((delta.screenLayout & SCREENLAYOUT_SIZE_MASK) != SCREENLAYOUT_SIZE_UNDEFINED)
                 && (delta.screenLayout & SCREENLAYOUT_SIZE_MASK)
@@ -1393,10 +1377,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
                 && orientation != delta.orientation) {
             changed |= ActivityInfo.CONFIG_ORIENTATION;
         }
-        if ((compareUndefined || delta.mRotation != ROTATION_UNDEFINED)
-                && mRotation != delta.mRotation) {
-            changed |= ActivityInfo.CONFIG_ROTATION;
-        }
         if ((compareUndefined || getScreenLayoutNoDirection(delta.screenLayout) !=
                 (SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED))
                 && getScreenLayoutNoDirection(screenLayout) !=
@@ -1445,7 +1425,7 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         if ((compareUndefined || delta.appBounds != null)
                 && appBounds != delta.appBounds
                 && (appBounds == null || !appBounds.equals(delta.appBounds))) {
-            changed |= ActivityInfo.CONFIG_APP_BOUNDS;
+            changed |= ActivityInfo.CONFIG_SCREEN_SIZE;
         }
 
         return changed;
@@ -1533,7 +1513,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         dest.writeInt(navigation);
         dest.writeInt(navigationHidden);
         dest.writeInt(orientation);
-        dest.writeInt(mRotation);
         dest.writeInt(screenLayout);
         dest.writeInt(colorMode);
         dest.writeInt(uiMode);
@@ -1570,7 +1549,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         navigation = source.readInt();
         navigationHidden = source.readInt();
         orientation = source.readInt();
-        mRotation = source.readInt();
         screenLayout = source.readInt();
         colorMode = source.readInt();
         uiMode = source.readInt();
@@ -1655,8 +1633,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         if (n != 0) return n;
         n = this.orientation - that.orientation;
         if (n != 0) return n;
-        n = this.mRotation - that.mRotation;
-        if (n != 0) return n;
         n = this.colorMode - that.colorMode;
         if (n != 0) return n;
         n = this.screenLayout - that.screenLayout;
@@ -1802,24 +1778,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
         appBounds.set(left, top, right, bottom);
     }
 
-    /**
-     * @hide
-     *
-     * Setter for orientation converts from {@link Surface} values to internal representation.
-     */
-    public void setRotation(int rotation) {
-        this.mRotation = rotation;
-    }
-
-    /**
-     * @hide
-     *
-     * Getter for orientation. Converts from internal representation to  {@link Surface} values.
-     */
-    public int getRotation() {
-        return mRotation != ROTATION_UNDEFINED ? mRotation : ROTATION_0;
-    }
-
     /**
      * @hide
      *
@@ -2253,10 +2211,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
             delta.orientation = change.orientation;
         }
 
-        if (base.mRotation != change.mRotation) {
-            base.mRotation = change.mRotation;
-        }
-
         if ((base.screenLayout & SCREENLAYOUT_SIZE_MASK) !=
                 (change.screenLayout & SCREENLAYOUT_SIZE_MASK)) {
             delta.screenLayout |= change.screenLayout & SCREENLAYOUT_SIZE_MASK;
@@ -2388,8 +2342,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
                 DENSITY_DPI_UNDEFINED);
         configOut.appBounds =
             Rect.unflattenFromString(XmlUtils.readStringAttribute(parser, XML_ATTR_APP_BOUNDS));
-        configOut.mRotation = XmlUtils.readIntAttribute(parser, XML_ATTR_ROTATION,
-                ROTATION_UNDEFINED);
 
         // For persistence, we don't care about assetsSeq, so do not read it out.
     }
@@ -2466,10 +2418,6 @@ public final class Configuration implements Parcelable, Comparable<Configuration
                 config.appBounds.flattenToString());
         }
 
-        if (config.mRotation != ROTATION_UNDEFINED) {
-            XmlUtils.writeIntAttribute(xml, XML_ATTR_ROTATION, config.mRotation);
-        }
-
         // For persistence, we do not care about assetsSeq, so do not write it out.
     }
 }
diff --git a/core/java/android/view/Display.java b/core/java/android/view/Display.java
index 263d3ff423c5b..97788931ea931 100644
--- a/core/java/android/view/Display.java
+++ b/core/java/android/view/Display.java
@@ -725,17 +725,6 @@ public final class Display {
         }
     }
 
-    /**
-     * Returns the rotation associated with this display as used during layout. This is currently
-     * derived from the {@link Configuration}.
-     *
-     * @hide
-     */
-    @Surface.Rotation
-    public int getLayoutRotation() {
-        return mResources.getConfiguration().getRotation();
-    }
-
     /**
      * @deprecated use {@link #getRotation}
      * @return orientation of this display.
diff --git a/core/java/android/view/Surface.java b/core/java/android/view/Surface.java
index 1b702326cc285..4f9dbd5ad7a09 100644
--- a/core/java/android/view/Surface.java
+++ b/core/java/android/view/Surface.java
@@ -131,16 +131,10 @@ public class Surface implements Parcelable {
     public static final int SCALING_MODE_NO_SCALE_CROP = 3;
 
     /** @hide */
-    @IntDef({ROTATION_UNDEFINED, ROTATION_0, ROTATION_90, ROTATION_180, ROTATION_270})
+    @IntDef({ROTATION_0, ROTATION_90, ROTATION_180, ROTATION_270})
     @Retention(RetentionPolicy.SOURCE)
     public @interface Rotation {}
 
-    /**
-     * Rotation constant: undefined
-     * @hide
-     */
-    public static final int ROTATION_UNDEFINED = -1;
-
     /**
      * Rotation constant: 0 degree rotation (natural orientation)
      */
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index c09947c402fba..66ec520340ae5 100644
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -41,9 +41,7 @@ import static android.content.Intent.CATEGORY_HOME;
 import static android.content.Intent.CATEGORY_LAUNCHER;
 import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
 import static android.content.Intent.FLAG_ACTIVITY_NO_HISTORY;
-import static android.content.pm.ActivityInfo.CONFIG_APP_BOUNDS;
 import static android.content.pm.ActivityInfo.CONFIG_ORIENTATION;
-import static android.content.pm.ActivityInfo.CONFIG_ROTATION;
 import static android.content.pm.ActivityInfo.CONFIG_SCREEN_LAYOUT;
 import static android.content.pm.ActivityInfo.CONFIG_SCREEN_SIZE;
 import static android.content.pm.ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE;
@@ -2598,15 +2596,6 @@ final class ActivityRecord extends ConfigurationContainer implements AppWindowCo
                 changes &= ~CONFIG_SMALLEST_SCREEN_SIZE;
             }
         }
-        // We don't want rotation to cause relaunches.
-        if ((changes & CONFIG_ROTATION) != 0) {
-            changes &= ~CONFIG_ROTATION;
-        }
-
-        // We don't want app bound changes to cause relaunches.
-        if ((changes & CONFIG_APP_BOUNDS) != 0) {
-            changes &= ~CONFIG_APP_BOUNDS;
-        }
 
         return changes;
     }
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index a37b2e56b0d0b..55c0612ff7644 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -1183,7 +1183,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
         final int dh = displayInfo.logicalHeight;
         config.orientation = (dw <= dh) ? Configuration.ORIENTATION_PORTRAIT :
                 Configuration.ORIENTATION_LANDSCAPE;
-        config.setRotation(displayInfo.rotation);
 
         config.screenWidthDp =
                 (int)(mService.mPolicy.getConfigDisplayWidth(dw, dh, displayInfo.rotation,
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppBoundsTests.java b/services/tests/servicestests/src/com/android/server/wm/AppBoundsTests.java
index f7ea0c47b874f..6c95bd5146999 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppBoundsTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppBoundsTests.java
@@ -57,9 +57,9 @@ public class AppBoundsTests extends WindowTestsBase {
         final Configuration config = new Configuration();
         final Configuration config2 = new Configuration();
         config.appBounds = new Rect(0, 1, 1, 0);
-        config2.appBounds = new Rect(0, 2, 2, 0);
+        config2.appBounds = new Rect(1, 2, 2, 1);
 
-        assertEquals(ActivityInfo.CONFIG_APP_BOUNDS, config.diff(config2));
+        assertEquals(ActivityInfo.CONFIG_SCREEN_SIZE, config.diff(config2));
     }
 
     /**