diff --git a/src/com/android/wallpaper/customization/ui/binder/ThemePickerCustomizationOptionBinder.kt b/src/com/android/wallpaper/customization/ui/binder/ThemePickerCustomizationOptionBinder.kt
index eaed4e5..46d0346 100644
--- a/src/com/android/wallpaper/customization/ui/binder/ThemePickerCustomizationOptionBinder.kt
+++ b/src/com/android/wallpaper/customization/ui/binder/ThemePickerCustomizationOptionBinder.kt
@@ -52,7 +52,6 @@
 import javax.inject.Singleton
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.launch
 
 @Singleton
@@ -259,7 +258,7 @@
             lifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
                 launch {
                     combine(
-                            clockPickerViewModel.previewingClock.filterNotNull(),
+                            clockPickerViewModel.previewingClock,
                             clockPickerViewModel.previewingClockSize,
                         ) { clock, size ->
                             clock to size
diff --git a/src/com/android/wallpaper/customization/ui/viewmodel/ClockPickerViewModel.kt b/src/com/android/wallpaper/customization/ui/viewmodel/ClockPickerViewModel.kt
index 6ca773b..2a1a8c9 100644
--- a/src/com/android/wallpaper/customization/ui/viewmodel/ClockPickerViewModel.kt
+++ b/src/com/android/wallpaper/customization/ui/viewmodel/ClockPickerViewModel.kt
@@ -57,6 +57,7 @@
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.shareIn
 import kotlinx.coroutines.flow.stateIn
 
 /** View model for the clock customization screen. */
@@ -120,8 +121,9 @@
     val selectedClock = clockPickerInteractor.selectedClock
     val previewingClock =
         combine(overridingClock, selectedClock) { overridingClock, selectedClock ->
-            overridingClock ?: selectedClock
-        }
+                (overridingClock ?: selectedClock)
+            }
+            .shareIn(viewModelScope, SharingStarted.WhileSubscribed(), 1)
 
     data class ClockStyleModel(val thumbnail: Drawable, val showEditButton: StateFlow<Boolean>)
 
diff --git a/src/com/android/wallpaper/picker/common/preview/ui/binder/ThemePickerWorkspaceCallbackBinder.kt b/src/com/android/wallpaper/picker/common/preview/ui/binder/ThemePickerWorkspaceCallbackBinder.kt
index 6952d91..bb77193 100644
--- a/src/com/android/wallpaper/picker/common/preview/ui/binder/ThemePickerWorkspaceCallbackBinder.kt
+++ b/src/com/android/wallpaper/picker/common/preview/ui/binder/ThemePickerWorkspaceCallbackBinder.kt
@@ -25,13 +25,21 @@
 import androidx.lifecycle.repeatOnLifecycle
 import com.android.customization.model.grid.DefaultShapeGridManager.Companion.COL_GRID_NAME
 import com.android.customization.model.grid.DefaultShapeGridManager.Companion.COL_SHAPE_KEY
+import com.android.customization.picker.clock.shared.ClockSize
+import com.android.customization.picker.clock.ui.view.ClockViewFactory
 import com.android.customization.picker.color.data.util.MaterialColorsGenerator
 import com.android.systemui.shared.keyguard.shared.model.KeyguardQuickAffordanceSlots.SLOT_ID_BOTTOM_END
 import com.android.systemui.shared.keyguard.shared.model.KeyguardQuickAffordanceSlots.SLOT_ID_BOTTOM_START
+import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.CLOCK_SIZE_DYNAMIC
+import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.CLOCK_SIZE_SMALL
+import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.KEY_CLOCK_SIZE
+import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.KEY_HIDE_SMART_SPACE
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.KEY_INITIALLY_SELECTED_SLOT_ID
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.KEY_QUICK_AFFORDANCE_ID
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.KEY_SLOT_ID
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.MESSAGE_ID_DEFAULT_PREVIEW
+import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.MESSAGE_ID_HIDE_SMART_SPACE
+import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.MESSAGE_ID_PREVIEW_CLOCK_SIZE
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.MESSAGE_ID_PREVIEW_QUICK_AFFORDANCE_SELECTED
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.MESSAGE_ID_SLOT_SELECTED
 import com.android.systemui.shared.quickaffordance.shared.model.KeyguardPreviewConstants.MESSAGE_ID_START_CUSTOMIZING_QUICK_AFFORDANCES
@@ -60,6 +68,7 @@
         colorUpdateViewModel: ColorUpdateViewModel,
         screen: Screen,
         lifecycleOwner: LifecycleOwner,
+        clockViewFactory: ClockViewFactory,
     ) {
         defaultWorkspaceCallbackBinder.bind(
             workspaceCallback = workspaceCallback,
@@ -67,6 +76,7 @@
             colorUpdateViewModel = colorUpdateViewModel,
             screen = screen,
             lifecycleOwner = lifecycleOwner,
+            clockViewFactory = clockViewFactory,
         )
 
         if (viewModel !is ThemePickerCustomizationOptionsViewModel) {
@@ -135,6 +145,48 @@
                                     }
                                 }
                         }
+
+                        launch {
+                            combine(
+                                    viewModel.clockPickerViewModel.previewingClock,
+                                    viewModel.clockPickerViewModel.previewingClockSize,
+                                    ::Pair,
+                                )
+                                .collect { (previewingClock, previewingClockSize) ->
+                                    val hideSmartspace =
+                                        clockViewFactory
+                                            .getController(previewingClock.clockId)
+                                            .let {
+                                                when (previewingClockSize) {
+                                                    ClockSize.DYNAMIC ->
+                                                        it.largeClock.config
+                                                            .hasCustomWeatherDataDisplay
+                                                    ClockSize.SMALL ->
+                                                        it.smallClock.config
+                                                            .hasCustomWeatherDataDisplay
+                                                }
+                                            }
+                                    workspaceCallback.sendMessage(
+                                        MESSAGE_ID_HIDE_SMART_SPACE,
+                                        Bundle().apply {
+                                            putBoolean(KEY_HIDE_SMART_SPACE, hideSmartspace)
+                                        },
+                                    )
+
+                                    workspaceCallback.sendMessage(
+                                        MESSAGE_ID_PREVIEW_CLOCK_SIZE,
+                                        Bundle().apply {
+                                            putString(
+                                                KEY_CLOCK_SIZE,
+                                                when (previewingClockSize) {
+                                                    ClockSize.DYNAMIC -> CLOCK_SIZE_DYNAMIC
+                                                    ClockSize.SMALL -> CLOCK_SIZE_SMALL
+                                                },
+                                            )
+                                        },
+                                    )
+                                }
+                        }
                     }
                 }
             Screen.HOME_SCREEN ->