diff --git a/quickstep/res/values-sw600dp/dimens.xml b/quickstep/res/values-sw600dp/dimens.xml
index 7494683..cfbbf8d 100644
--- a/quickstep/res/values-sw600dp/dimens.xml
+++ b/quickstep/res/values-sw600dp/dimens.xml
@@ -14,16 +14,23 @@
  * limitations under the License.
 */
 -->
+<!-- Applies to small tablet screens -->
 <resources>
     <dimen name="navigation_key_padding">25dp</dimen>
 
-    <!--  Task View  -->
+    <!--  Overview Task Views  -->
+    <!--  A touch target for icons, sometimes slightly larger than the icons themselves  -->
     <dimen name="task_thumbnail_icon_size">48dp</dimen>
+    <!--  The icon size for the focused task, placed in center of touch target  -->
     <dimen name="task_thumbnail_icon_drawable_size">44dp</dimen>
+    <!--  The space under the focused task icon  -->
     <dimen name="overview_task_margin">12dp</dimen>
+    <!--  The icon size of all non-focused task icons, placed in center of touch target  -->
     <dimen name="task_thumbnail_icon_drawable_size_grid">44dp</dimen>
-    <dimen name="overview_task_margin_grid">12dp</dimen>
+    <!--  The space between grid rows (when there's 2 rows of thumbnails)  -->
     <dimen name="overview_grid_row_spacing">28dp</dimen>
+    <!--  The horizontal space between tasks  -->
     <dimen name="overview_page_spacing">36dp</dimen>
+    <!--  The space to the left and to the right of the "Clear all" button  -->
     <dimen name="overview_grid_side_margin">64dp</dimen>
 </resources>
diff --git a/quickstep/res/values-sw720dp/dimens.xml b/quickstep/res/values-sw720dp/dimens.xml
index ceaa8f8..284ce11 100644
--- a/quickstep/res/values-sw720dp/dimens.xml
+++ b/quickstep/res/values-sw720dp/dimens.xml
@@ -14,14 +14,23 @@
  * limitations under the License.
 */
 -->
+<!-- Applies to large tablet screens -->
 <resources>
-    <!--  Task View  -->
+    <!--  Overview Task Views  -->
+    <!--  The primary task thumbnail uses up to this much of the total screen height/width  -->
+    <item name="overview_max_scale" format="float" type="dimen">0.7</item>
+    <!--  A touch target for icons, sometimes slightly larger than the icons themselves  -->
     <dimen name="task_thumbnail_icon_size">48dp</dimen>
+    <!--  The icon size for the focused task, placed in center of touch target  -->
     <dimen name="task_thumbnail_icon_drawable_size">44dp</dimen>
+    <!--  The space under the focused task icon  -->
     <dimen name="overview_task_margin">16dp</dimen>
+    <!--  The icon size of all non-focused task icons, placed in center of touch target  -->
     <dimen name="task_thumbnail_icon_drawable_size_grid">44dp</dimen>
-    <dimen name="overview_task_margin_grid">16dp</dimen>
+    <!--  The space between grid rows (when there's 2 rows of thumbnails)  -->
     <dimen name="overview_grid_row_spacing">36dp</dimen>
+    <!--  The horizontal space between tasks  -->
     <dimen name="overview_page_spacing">44dp</dimen>
+    <!--  The space to the left and to the right of the "Clear all" button  -->
     <dimen name="overview_grid_side_margin">64dp</dimen>
 </resources>
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 0232f86..35215e1 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -31,14 +31,19 @@
 
     <dimen name="overview_minimum_next_prev_size">50dp</dimen>
 
-    <!--  Task View  -->
-    <dimen name="task_thumbnail_icon_size">48dp</dimen>
-    <dimen name="task_thumbnail_icon_drawable_size">44dp</dimen>
-    <dimen name="overview_task_margin">16dp</dimen>
-    <dimen name="overview_page_spacing">16dp</dimen>
-    <dimen name="task_icon_cache_default_icon_size">72dp</dimen>
-
+    <!--  Overview Task Views  -->
+    <!--  The primary task thumbnail uses up to this much of the total screen height/width  -->
     <item name="overview_max_scale" format="float" type="dimen">0.7</item>
+    <!--  A touch target for icons, sometimes slightly larger than the icons themselves  -->
+    <dimen name="task_thumbnail_icon_size">48dp</dimen>
+    <!--  The icon size for the focused task, placed in center of touch target  -->
+    <dimen name="task_thumbnail_icon_drawable_size">44dp</dimen>
+    <!--  The space under the focused task icon  -->
+    <dimen name="overview_task_margin">16dp</dimen>
+    <!--  The horizontal space between tasks  -->
+    <dimen name="overview_page_spacing">16dp</dimen>
+
+    <dimen name="task_icon_cache_default_icon_size">72dp</dimen>
     <item name="overview_modal_max_scale" format="float" type="dimen">1.1</item>
 
     <!-- Overrideable in overlay that provides the Overview Actions. -->
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 2ccd703..b089155 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -866,10 +866,9 @@
 
         int thumbnailTopMargin = deviceProfile.overviewTaskThumbnailTopMarginPx;
         int taskIconHeight = deviceProfile.overviewTaskIconSizePx;
-        int taskMargin = isGridTask ? deviceProfile.overviewTaskMarginGridPx
-                : deviceProfile.overviewTaskMarginPx;
-        int taskIconMargin = thumbnailTopMargin - taskIconHeight - taskMargin;
-        orientationHandler.setTaskIconParams(iconParams, taskIconMargin, taskIconHeight,
+        int taskMargin = deviceProfile.overviewTaskMarginPx;
+
+        orientationHandler.setTaskIconParams(iconParams, taskMargin, taskIconHeight,
                 thumbnailTopMargin, isRtl);
         iconParams.width = iconParams.height = taskIconHeight;
         mIconView.setLayoutParams(iconParams);
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfilePhone3ButtonTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfilePhone3ButtonTest.kt
index 3daf81d..f41de72 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfilePhone3ButtonTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfilePhone3ButtonTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(0)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(168)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(280)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(224)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(-112)
+        assertThat(dp.overviewRowSpacing).isEqualTo(0)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfilePhoneTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfilePhoneTest.kt
index e588c71..fe3fd00 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfilePhoneTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfilePhoneTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(0)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(168)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(280)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(224)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(-112)
+        assertThat(dp.overviewRowSpacing).isEqualTo(0)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscape3ButtonTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscape3ButtonTest.kt
index d0c9346..33866f0 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscape3ButtonTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscape3ButtonTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscapeTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscapeTest.kt
index 456ed2c..e61a890 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscapeTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletLandscapeTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortrait3ButtonTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortrait3ButtonTest.kt
index eed3598..3f350de 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortrait3ButtonTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortrait3ButtonTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortraitTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortraitTest.kt
index 4be3e45..444f7ea 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortraitTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTabletPortraitTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscape3ButtonTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscape3ButtonTest.kt
index 6728540..92ab2b1 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscape3ButtonTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscape3ButtonTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscapeTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscapeTest.kt
index ba3ef55..6c730ca 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscapeTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelLandscapeTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortrait3ButtonTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortrait3ButtonTest.kt
index a4b446a..9048b3b 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortrait3ButtonTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortrait3ButtonTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortraitTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortraitTest.kt
index 0c5968e..b737c3a 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortraitTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTwoPanelPortraitTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(32)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(96)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(160)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(128)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(40)
+        assertThat(dp.overviewRowSpacing).isEqualTo(72)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBar3ButtonTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBar3ButtonTest.kt
index 2bad6bb..d90f56b 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBar3ButtonTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBar3ButtonTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(0)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(168)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(280)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(224)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(-112)
+        assertThat(dp.overviewRowSpacing).isEqualTo(0)
     }
 
     @Test
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBarTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBarTest.kt
index 6256a43..522a650 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBarTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileVerticalBarTest.kt
@@ -340,11 +340,6 @@
     }
 
     @Test
-    fun overviewTaskMarginGridPx() {
-        assertThat(dp.overviewTaskMarginGridPx).isEqualTo(0)
-    }
-
-    @Test
     fun overviewTaskIconSizePx() {
         assertThat(dp.overviewTaskIconSizePx).isEqualTo(168)
     }
@@ -361,7 +356,7 @@
 
     @Test
     fun overviewTaskThumbnailTopMarginPx() {
-        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(280)
+        assertThat(dp.overviewTaskThumbnailTopMarginPx).isEqualTo(224)
     }
 
     @Test
@@ -386,7 +381,7 @@
 
     @Test
     fun overviewRowSpacing() {
-        assertThat(dp.overviewRowSpacing).isEqualTo(-112)
+        assertThat(dp.overviewRowSpacing).isEqualTo(0)
     }
 
     @Test
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index b19e739..29bc170 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -381,7 +381,6 @@
     <dimen name="task_thumbnail_icon_drawable_size">0dp</dimen>
     <dimen name="task_thumbnail_icon_drawable_size_grid">0dp</dimen>
     <dimen name="overview_task_margin">0dp</dimen>
-    <dimen name="overview_task_margin_grid">0dp</dimen>
     <dimen name="overview_actions_height">0dp</dimen>
     <dimen name="overview_actions_button_spacing">0dp</dimen>
     <dimen name="overview_actions_margin_gesture">0dp</dimen>
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index a19a8e8..44eb4f7 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -191,7 +191,6 @@
 
     // Overview
     public int overviewTaskMarginPx;
-    public int overviewTaskMarginGridPx;
     public int overviewTaskIconSizePx;
     public int overviewTaskIconDrawableSizePx;
     public int overviewTaskIconDrawableSizeGridPx;
@@ -426,25 +425,18 @@
         }
 
         overviewTaskMarginPx = res.getDimensionPixelSize(R.dimen.overview_task_margin);
-        overviewTaskMarginGridPx = res.getDimensionPixelSize(R.dimen.overview_task_margin_grid);
         overviewTaskIconSizePx = res.getDimensionPixelSize(R.dimen.task_thumbnail_icon_size);
         overviewTaskIconDrawableSizePx =
                 res.getDimensionPixelSize(R.dimen.task_thumbnail_icon_drawable_size);
         overviewTaskIconDrawableSizeGridPx =
                 res.getDimensionPixelSize(R.dimen.task_thumbnail_icon_drawable_size_grid);
-        overviewTaskThumbnailTopMarginPx = overviewTaskIconSizePx + overviewTaskMarginPx * 2;
+        overviewTaskThumbnailTopMarginPx = overviewTaskIconSizePx + overviewTaskMarginPx;
         overviewActionsTopMarginPx = res.getDimensionPixelSize(R.dimen.overview_actions_top_margin);
         overviewPageSpacing = res.getDimensionPixelSize(R.dimen.overview_page_spacing);
         overviewActionsButtonSpacing = res.getDimensionPixelSize(
                 R.dimen.overview_actions_button_spacing);
         overviewActionsHeight = res.getDimensionPixelSize(R.dimen.overview_actions_height);
-        // Grid task's top margin is only overviewTaskIconSizePx + overviewTaskMarginGridPx, but
-        // overviewTaskThumbnailTopMarginPx is applied to all TaskThumbnailView, so exclude the
-        // extra  margin when calculating row spacing.
-        int extraTopMargin = overviewTaskThumbnailTopMarginPx - overviewTaskIconSizePx
-                - overviewTaskMarginGridPx;
-        overviewRowSpacing = res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing)
-                - extraTopMargin;
+        overviewRowSpacing = res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing);
         overviewGridSideMargin = res.getDimensionPixelSize(R.dimen.overview_grid_side_margin);
 
         // Calculate all of the remaining variables.
@@ -1379,7 +1371,6 @@
         writer.println(prefix + pxToDpStr("workspaceBottomPadding", workspaceBottomPadding));
 
         writer.println(prefix + pxToDpStr("overviewTaskMarginPx", overviewTaskMarginPx));
-        writer.println(prefix + pxToDpStr("overviewTaskMarginGridPx", overviewTaskMarginGridPx));
         writer.println(prefix + pxToDpStr("overviewTaskIconSizePx", overviewTaskIconSizePx));
         writer.println(prefix + pxToDpStr("overviewTaskIconDrawableSizePx",
                 overviewTaskIconDrawableSizePx));
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index fa4eb70..e3cdee4 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -523,6 +523,7 @@
         iconParams.rightMargin = -taskIconHeight - taskIconMargin / 2;
         iconParams.leftMargin = 0;
         iconParams.topMargin = thumbnailTopMargin / 2;
+        iconParams.bottomMargin = 0;
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 181dca5..738e6b1 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -52,9 +52,9 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.SplitConfigurationOptions;
+import com.android.launcher3.util.SplitConfigurationOptions.SplitBounds;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
 import com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
-import com.android.launcher3.util.SplitConfigurationOptions.SplitBounds;
 import com.android.launcher3.views.BaseDragLayer;
 
 import java.util.List;
@@ -658,8 +658,9 @@
     public void setTaskIconParams(FrameLayout.LayoutParams iconParams, int taskIconMargin,
             int taskIconHeight, int thumbnailTopMargin, boolean isRtl) {
         iconParams.gravity = TOP | CENTER_HORIZONTAL;
+        // Reset margins, since they may have been set on rotation
         iconParams.leftMargin = iconParams.rightMargin = 0;
-        iconParams.topMargin = taskIconMargin;
+        iconParams.topMargin = iconParams.bottomMargin = 0;
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index 339f910..387e980 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -216,6 +216,7 @@
         iconParams.leftMargin = -taskIconHeight - taskIconMargin / 2;
         iconParams.rightMargin = 0;
         iconParams.topMargin = thumbnailTopMargin / 2;
+        iconParams.bottomMargin = 0;
     }
 
     @Override