diff --git a/lib/main.dart b/lib/main.dart
index 40122ed6..93780d4c 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -371,10 +371,14 @@ class HackiApp extends StatelessWidget {
                                     ),
                                   ),
                                 ),
-                                bottomSheetTheme: const BottomSheetThemeData(
+                                bottomSheetTheme: BottomSheetThemeData(
                                   modalElevation: 8,
                                   clipBehavior: Clip.hardEdge,
                                   shadowColor: Palette.black,
+                                  backgroundColor: isDarkModeEnabled &&
+                                          state.isTrueDarkModeEnabled
+                                      ? Palette.black
+                                      : null,
                                 ),
                                 inputDecorationTheme: InputDecorationTheme(
                                   enabledBorder: UnderlineInputBorder(
diff --git a/lib/screens/item/widgets/time_machine_dialog.dart b/lib/screens/item/widgets/time_machine_dialog.dart
index 042dd3c8..63c8e643 100644
--- a/lib/screens/item/widgets/time_machine_dialog.dart
+++ b/lib/screens/item/widgets/time_machine_dialog.dart
@@ -30,14 +30,14 @@ class TimeMachineDialog extends StatelessWidget {
       child: BlocBuilder<TimeMachineCubit, TimeMachineState>(
         builder: (BuildContext context, TimeMachineState state) {
           return Material(
+            color: Palette.transparent,
             child: Container(
-              decoration: BoxDecoration(
-                borderRadius: const BorderRadius.all(
+              decoration: const BoxDecoration(
+                borderRadius: BorderRadius.all(
                   Radius.circular(
                     Dimens.pt4,
                   ),
                 ),
-                color: Theme.of(context).colorScheme.surfaceContainerHigh,
               ),
               child: Padding(
                 padding: const EdgeInsets.only(
diff --git a/lib/services/dialog_proxy.dart b/lib/services/dialog_proxy.dart
index e2f20015..c0e73a87 100644
--- a/lib/services/dialog_proxy.dart
+++ b/lib/services/dialog_proxy.dart
@@ -76,7 +76,6 @@ abstract final class DialogProxy {
       context: context,
       isScrollControlled: true,
       showDragHandle: true,
-      backgroundColor: Theme.of(context).colorScheme.surfaceContainerHigh,
       builder: (BuildContext context) {
         return SizedBox(
           height: MediaQuery.of(context).size.height - Dimens.pt120,