diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index 2fcd286345..52abb92882 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -56,11 +56,9 @@ import com.android.launcher3.taskbar.TaskbarUIController;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.NavigationMode;
-import com.android.launcher3.util.WindowBounds;
 import com.android.launcher3.views.ScrimView;
 import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
-import com.android.quickstep.util.SplitScreenBounds;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -258,7 +256,7 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
 
     private void calculateTaskSizeInternal(Context context, DeviceProfile dp,
             Rect potentialTaskRect, float maxScale, int gravity, Rect outRect) {
-        PointF taskDimension = getTaskDimension(context, dp);
+        PointF taskDimension = getTaskDimension(dp);
 
         float scale = Math.min(
                 potentialTaskRect.width() / taskDimension.x,
@@ -270,47 +268,29 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
         Gravity.apply(gravity, outWidth, outHeight, potentialTaskRect, outRect);
     }
 
-    private static PointF getTaskDimension(Context context, DeviceProfile dp) {
+    private static PointF getTaskDimension(DeviceProfile dp) {
         PointF dimension = new PointF();
-        getTaskDimension(context, dp, dimension);
+        getTaskDimension(dp, dimension);
         return dimension;
     }
 
     /**
      * Gets the dimension of the task in the current system state.
      */
-    public static void getTaskDimension(Context context, DeviceProfile dp, PointF out) {
-        if (dp.isMultiWindowMode) {
-            WindowBounds bounds = SplitScreenBounds.INSTANCE.getSecondaryWindowBounds(context);
-            out.x = bounds.availableSize.x;
-            out.y = bounds.availableSize.y;
-            if (!TaskView.clipLeft(dp)) {
-                out.x += bounds.insets.left;
-            }
-            if (!TaskView.clipRight(dp)) {
-                out.x += bounds.insets.right;
-            }
-            if (!TaskView.clipTop(dp)) {
-                out.y += bounds.insets.top;
-            }
-            if (!TaskView.clipBottom(dp)) {
-                out.y += bounds.insets.bottom;
-            }
-        } else {
-            out.x = dp.widthPx;
-            out.y = dp.heightPx;
-            if (TaskView.clipLeft(dp)) {
-                out.x -= dp.getInsets().left;
-            }
-            if (TaskView.clipRight(dp)) {
-                out.x -= dp.getInsets().right;
-            }
-            if (TaskView.clipTop(dp)) {
-                out.y -= dp.getInsets().top;
-            }
-            if (TaskView.clipBottom(dp)) {
-                out.y -= Math.max(dp.getInsets().bottom, dp.taskbarSize);
-            }
+    public static void getTaskDimension(DeviceProfile dp, PointF out) {
+        out.x = dp.widthPx;
+        out.y = dp.heightPx;
+        if (TaskView.clipLeft(dp)) {
+            out.x -= dp.getInsets().left;
+        }
+        if (TaskView.clipRight(dp)) {
+            out.x -= dp.getInsets().right;
+        }
+        if (TaskView.clipTop(dp)) {
+            out.y -= dp.getInsets().top;
+        }
+        if (TaskView.clipBottom(dp)) {
+            out.y -= Math.max(dp.getInsets().bottom, dp.taskbarSize);
         }
     }
 
@@ -341,7 +321,7 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
                 (taskRect.height() + dp.overviewTaskThumbnailTopMarginPx - dp.overviewRowSpacing)
                         / 2f;
 
-        PointF taskDimension = getTaskDimension(context, dp);
+        PointF taskDimension = getTaskDimension(dp);
         float scale = (rowHeight - dp.overviewTaskThumbnailTopMarginPx) / taskDimension.y;
         int outWidth = Math.round(scale * taskDimension.x);
         int outHeight = Math.round(scale * taskDimension.y);
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index 6038a22de8..14190b364e 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -416,7 +416,7 @@ public class RecentsOrientedState implements
             fullHeight -= insets.bottom;
         }
 
-        getTaskDimension(mContext, dp, outPivot);
+        getTaskDimension(dp, outPivot);
         float scale = Math.min(outPivot.x / taskView.width(), outPivot.y / taskView.height());
         // We also scale the preview as part of fullScreenParams, so account for that as well.
         if (fullWidth > 0) {
@@ -425,12 +425,6 @@ public class RecentsOrientedState implements
 
         if (scale == 1) {
             outPivot.set(fullWidth / 2, fullHeight / 2);
-        } else if (dp.isMultiWindowMode) {
-            float denominator = 1 / (scale - 1);
-            // Ensure that the task aligns to right bottom for the root view
-            float y = (scale * taskView.bottom - fullHeight) * denominator;
-            float x = (scale * taskView.right - fullWidth) * denominator;
-            outPivot.set(x, y);
         } else {
             float factor = scale / (scale - 1);
             outPivot.set(taskView.left * factor, taskView.top * factor);
diff --git a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
index d8120ff255..69cad6997f 100644
--- a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -451,9 +451,8 @@ public class TaskThumbnailView extends View {
 
             // Landscape vs portrait change.
             // Note: Disable rotation in grid layout.
-            boolean windowingModeSupportsRotation = !dp.isMultiWindowMode
-                    && thumbnailData.windowingMode == WINDOWING_MODE_FULLSCREEN
-                    && !dp.isTablet;
+            boolean windowingModeSupportsRotation =
+                    thumbnailData.windowingMode == WINDOWING_MODE_FULLSCREEN && !dp.isTablet;
             isOrientationDifferent = isOrientationChange(deltaRotate)
                     && windowingModeSupportsRotation;
             if (canvasWidth == 0 || canvasHeight == 0 || scale == 0) {
@@ -562,13 +561,8 @@ public class TaskThumbnailView extends View {
             Rect splitScreenInsets = dp.getInsets();
             if (!isRotated) {
                 // No Rotation
-                if (dp.isMultiWindowMode) {
-                    mClippedInsets.offsetTo(splitScreenInsets.left * scale,
-                            splitScreenInsets.top * scale);
-                } else {
-                    mClippedInsets.offsetTo(thumbnailClipHint.left * scale,
-                            thumbnailClipHint.top * scale);
-                }
+                mClippedInsets.offsetTo(thumbnailClipHint.left * scale,
+                        thumbnailClipHint.top * scale);
                 mMatrix.setTranslate(
                         -thumbnailClipHint.left * scale,
                         -thumbnailClipHint.top * scale);
@@ -587,16 +581,10 @@ public class TaskThumbnailView extends View {
             }
             mClippedInsets.left *= thumbnailScale;
             mClippedInsets.top *= thumbnailScale;
-
-            if (dp.isMultiWindowMode) {
-                mClippedInsets.right = splitScreenInsets.right * scale * thumbnailScale;
-                mClippedInsets.bottom = splitScreenInsets.bottom * scale * thumbnailScale;
-            } else {
-                mClippedInsets.right = Math.max(0,
-                        widthWithInsets - mClippedInsets.left - canvasWidth);
-                mClippedInsets.bottom = Math.max(0,
-                        heightWithInsets - mClippedInsets.top - canvasHeight);
-            }
+            mClippedInsets.right = Math.max(0,
+                    widthWithInsets - mClippedInsets.left - canvasWidth);
+            mClippedInsets.bottom = Math.max(0,
+                    heightWithInsets - mClippedInsets.top - canvasHeight);
 
             mMatrix.postScale(thumbnailScale, thumbnailScale);
             mIsOrientationChanged = isOrientationDifferent;
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 065e9a6597..377467f5bb 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -1584,10 +1584,9 @@ public class TaskView extends FrameLayout implements Reusable {
             }
             mCurrentDrawnInsets.set(currentInsetsLeft, insets.top * fullscreenProgress,
                     currentInsetsRight, insetsBottom * fullscreenProgress);
-            float fullscreenCornerRadius = dp.isMultiWindowMode ? 0 : mWindowCornerRadius;
 
             mCurrentDrawnCornerRadius =
-                    Utilities.mapRange(fullscreenProgress, mCornerRadius, fullscreenCornerRadius)
+                    Utilities.mapRange(fullscreenProgress, mCornerRadius, mWindowCornerRadius)
                             / parentScale / taskViewScale;
 
             // We scaled the thumbnail to fit the content (excluding insets) within task view width.