diff --git a/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/datasource/UsageGoalsDataSource.kt b/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/datasource/UsageGoalsDataSource.kt
index d55c7efd..a1265981 100644
--- a/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/datasource/UsageGoalsDataSource.kt
+++ b/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/datasource/UsageGoalsDataSource.kt
@@ -13,15 +13,12 @@ class UsageGoalsDataSource {
     @Provides
     @Singleton
     fun getUsageGoals(): List<UsageGoalModel> {
-        val usageGoalList =
-            listOf(
-                UsageGoalModel("total", 201519990),
-                UsageGoalModel("com.kakao.talk", 15686 * 2),
-                UsageGoalModel("com.google.android.gms", 7134),
-                UsageGoalModel("com.google.android.youtube", 71349),
-                UsageGoalModel("com.android.chrome", 39445),
-            )
-
-        return usageGoalList
+        return listOf(
+            UsageGoalModel("total", 201519990),
+            UsageGoalModel("com.kakao.talk", 15686 * 2),
+            UsageGoalModel("com.google.android.gms", 7134),
+            UsageGoalModel("com.google.android.youtube", 71349),
+            UsageGoalModel("com.android.chrome", 39445),
+        )
     }
 }
diff --git a/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageGoalsRepository.kt b/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageGoalsRepository.kt
index 29ae1c61..1c015813 100644
--- a/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageGoalsRepository.kt
+++ b/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageGoalsRepository.kt
@@ -4,18 +4,16 @@ import com.hmh.hamyeonham.usagestats.model.UsageGoal
 import com.hmh.hamyeonham.usagestats.model.UsageGoalModel
 import javax.inject.Inject
 
-class DefaultUsageGoalsRepository
-    @Inject
-    constructor(
-        private val usageGoalList: List<UsageGoalModel>,
-    ) : UsageGoalsRepository {
-        override fun getUsageGoals(): List<UsageGoal> {
-            return usageGoalList.map { it ->
-                UsageGoal(it.packageName, it.goalTime)
-            }
+class DefaultUsageGoalsRepository @Inject constructor(
+    private val usageGoalList: List<UsageGoalModel>
+) : UsageGoalsRepository {
+    override fun getUsageGoals(): List<UsageGoal> {
+        return usageGoalList.map {
+            UsageGoal(it.packageName, it.goalTime)
         }
+    }
 
-        override fun getUsageGoalTime(packageName: String): Long {
-            return usageGoalList.firstOrNull { it.packageName == packageName }?.goalTime ?: 0
-        }
+    override fun getUsageGoalTime(packageName: String): Long {
+        return usageGoalList.firstOrNull { it.packageName == packageName }?.goalTime ?: 0
     }
+}
diff --git a/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageStatsRepository.kt b/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageStatsRepository.kt
index d6bca023..f75d838f 100644
--- a/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageStatsRepository.kt
+++ b/data/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/repository/DefaultUsageStatsRepository.kt
@@ -4,52 +4,50 @@ import com.hmh.hamyeonham.usagestats.datasource.UsageStatsDataSource
 import com.hmh.hamyeonham.usagestats.model.UsageStat
 import javax.inject.Inject
 
-class DefaultUsageStatsRepository
-    @Inject
-    constructor(
-        private val usageStatsDataSource: UsageStatsDataSource,
-    ) : UsageStatsRepository {
-        override fun getUsageStats(
-            startTime: Long,
-            endTime: Long,
-        ): List<UsageStat> {
-            val usageStatsList = usageStatsDataSource.getUsageStats(startTime, endTime)
-            return usageStatsList.map { usageStatModel ->
-                UsageStat(usageStatModel.packageName, usageStatModel.totalTimeInForeground)
-            }
+class DefaultUsageStatsRepository @Inject constructor(
+    private val usageStatsDataSource: UsageStatsDataSource
+) : UsageStatsRepository {
+    override fun getUsageStats(
+        startTime: Long,
+        endTime: Long,
+    ): List<UsageStat> {
+        val usageStatsList = usageStatsDataSource.getUsageStats(startTime, endTime)
+        return usageStatsList.map { usageStatModel ->
+            UsageStat(usageStatModel.packageName, usageStatModel.totalTimeInForeground)
         }
+    }
+
+    override fun getUsageTimeForPackage(
+        startTime: Long,
+        endTime: Long,
+        packageName: String,
+    ): Long {
+        val usageStatsList = getUsageStats(startTime, endTime)
+        return usageStatsList.firstOrNull { it.packageName == packageName }?.totalTimeInForeground
+            ?: 0
+    }
 
-        override fun getUsageTimeForPackage(
-            startTime: Long,
-            endTime: Long,
-            packageName: String,
-        ): Long {
-            val usageStatsList = getUsageStats(startTime, endTime)
-            return usageStatsList.firstOrNull { it.packageName == packageName }?.totalTimeInForeground
-                ?: 0
+    override fun getUsageTimeForPackages(
+        startTime: Long,
+        endTime: Long,
+        vararg packageNames: String,
+    ): List<UsageStat> {
+        val usageStatsList = getUsageStats(startTime, endTime)
+        return usageStatsList.filter {
+            packageNames.contains(it.packageName)
         }
+    }
 
-        override fun getUsageTimeForPackages(
-            startTime: Long,
-            endTime: Long,
-            vararg packageNames: String,
-        ): List<UsageStat> {
-            val usageStatsList = getUsageStats(startTime, endTime)
-            return usageStatsList.filter {
+    override fun getUsageTimeForPackages(
+        startTime: Long,
+        endTime: Long,
+        packageNames: List<String>,
+    ): List<UsageStat> {
+        val usageStatsList = getUsageStats(startTime, endTime)
+        val newUsageStatsList =
+            usageStatsList.filter {
                 packageNames.contains(it.packageName)
             }
-        }
-
-        override fun getUsageTimeForPackages(
-            startTime: Long,
-            endTime: Long,
-            packageNames: List<String>,
-        ): List<UsageStat> {
-            val usageStatsList = getUsageStats(startTime, endTime)
-            val newUsageStatsList =
-                usageStatsList.filter {
-                    packageNames.contains(it.packageName)
-                }
-            return newUsageStatsList
-        }
+        return newUsageStatsList
     }
+}
diff --git a/domain/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/usecase/StaticsUseCase.kt b/domain/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/usecase/StaticsUseCase.kt
index bb358d24..f3e00f2b 100644
--- a/domain/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/usecase/StaticsUseCase.kt
+++ b/domain/usagestats/src/main/java/com/hmh/hamyeonham/usagestats/usecase/StaticsUseCase.kt
@@ -5,48 +5,42 @@ import com.hmh.hamyeonham.usagestats.repository.UsageGoalsRepository
 import com.hmh.hamyeonham.usagestats.repository.UsageStatsRepository
 import javax.inject.Inject
 
-class StaticsUseCase
-    @Inject
-    constructor(
-        private val usageStatsRepository: UsageStatsRepository,
-        private val usageGoalsRepository: UsageGoalsRepository,
-    ) {
-        fun getUsageStatsAndGoals(
-            startTime: Long,
-            endTime: Long,
-        ): List<UsageStatAndGoal> {
-            val totalUsage =
-                getTotalUsage(startTime, endTime)
-            val usageForSelectedApps =
-                getUsageStatsAndGoalsForSelectedApps(startTime, endTime)
-            val totalUsageStatAndGoal =
-                UsageStatAndGoal("total", totalUsage, usageGoalsRepository.getUsageGoalTime("total"))
-            return listOf(totalUsageStatAndGoal) + usageForSelectedApps
-        }
-
-        private fun getUsageStatsAndGoalsForSelectedApps(
-            startTime: Long,
-            endTime: Long,
-        ): List<UsageStatAndGoal> {
-            val appList = getSelectedAppList()
+class StaticsUseCase @Inject constructor(
+    private val usageStatsRepository: UsageStatsRepository,
+    private val usageGoalsRepository: UsageGoalsRepository
+) {
+    fun getUsageStatsAndGoals(
+        startTime: Long,
+        endTime: Long,
+    ): List<UsageStatAndGoal> {
+        val totalUsage = getTotalUsage(startTime, endTime)
+        val usageForSelectedApps = getUsageStatsAndGoalsForSelectedApps(startTime, endTime)
+        val totalUsageStatAndGoal =
+            UsageStatAndGoal("total", totalUsage, usageGoalsRepository.getUsageGoalTime("total"))
+        return listOf(totalUsageStatAndGoal) + usageForSelectedApps
+    }
 
-            val usageStatAndGoal =
-                usageStatsRepository.getUsageTimeForPackages(startTime, endTime, appList).map {
-                    UsageStatAndGoal(
-                        it.packageName,
-                        it.totalTimeInForeground,
-                        usageGoalsRepository.getUsageGoalTime(it.packageName),
-                    )
-                }
-            return usageStatAndGoal
+    private fun getUsageStatsAndGoalsForSelectedApps(
+        startTime: Long,
+        endTime: Long,
+    ): List<UsageStatAndGoal> {
+        val appList = getSelectedAppList()
+        return usageStatsRepository.getUsageTimeForPackages(startTime, endTime, appList).map {
+            UsageStatAndGoal(
+                it.packageName,
+                it.totalTimeInForeground,
+                usageGoalsRepository.getUsageGoalTime(it.packageName),
+            )
         }
+    }
 
-        private fun getTotalUsage(
-            startTime: Long,
-            endTime: Long,
-        ): Long =
-            usageStatsRepository.getUsageStats(startTime, endTime)
-                .sumOf { it.totalTimeInForeground }
-
-        private fun getSelectedAppList(): List<String> = usageGoalsRepository.getUsageGoals().map { it.packageName }
+    private fun getTotalUsage(
+        startTime: Long,
+        endTime: Long,
+    ): Long = usageStatsRepository.getUsageStats(startTime, endTime).sumOf {
+        it.totalTimeInForeground
     }
+
+    private fun getSelectedAppList(): List<String> =
+        usageGoalsRepository.getUsageGoals().map { it.packageName }
+}
diff --git a/feature/statistics/src/main/java/com/hmh/hamyeonham/statistics/StaticsViewModel.kt b/feature/statistics/src/main/java/com/hmh/hamyeonham/statistics/StaticsViewModel.kt
index 9871e8ae..1790bc67 100644
--- a/feature/statistics/src/main/java/com/hmh/hamyeonham/statistics/StaticsViewModel.kt
+++ b/feature/statistics/src/main/java/com/hmh/hamyeonham/statistics/StaticsViewModel.kt
@@ -9,22 +9,20 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import javax.inject.Inject
 
 @HiltViewModel
-class StaticsViewModel
-    @Inject
-    constructor(
-        private val staticsUseCase: StaticsUseCase,
-    ) : ViewModel() {
-        val usageStatAndGoalList = MutableStateFlow<List<UsageStatAndGoal>>(emptyList())
+class StaticsViewModel @Inject constructor(
+    private val staticsUseCase: StaticsUseCase
+) : ViewModel() {
+    val usageStatAndGoalList = MutableStateFlow<List<UsageStatAndGoal>>(emptyList())
 
-        init {
-            val (startTime, endTime) = getCurrentDayStartEndEpochMillis()
-            getUsageStatsAndGoals(startTime, endTime)
-        }
+    init {
+        val (startTime, endTime) = getCurrentDayStartEndEpochMillis()
+        getUsageStatsAndGoals(startTime, endTime)
+    }
 
-        private fun getUsageStatsAndGoals(
-            startTime: Long,
-            endTime: Long,
-        ) {
-            usageStatAndGoalList.value = staticsUseCase.getUsageStatsAndGoals(startTime, endTime)
-        }
+    private fun getUsageStatsAndGoals(
+        startTime: Long,
+        endTime: Long,
+    ) {
+        usageStatAndGoalList.value = staticsUseCase.getUsageStatsAndGoals(startTime, endTime)
     }
+}