diff --git a/app/src/main/java/com/threegap/bitnagil/MainNavHost.kt b/app/src/main/java/com/threegap/bitnagil/MainNavHost.kt
index bc43017c..facc24cb 100644
--- a/app/src/main/java/com/threegap/bitnagil/MainNavHost.kt
+++ b/app/src/main/java/com/threegap/bitnagil/MainNavHost.kt
@@ -88,7 +88,11 @@ fun MainNavHost(
                 navigateToOnBoarding = {
                     navigator.navController.navigate(Route.OnBoarding())
                 },
-                navigateToBack = { navigator.navController.popBackStack() },
+                navigateToBack = {
+                    if (navigator.navController.previousBackStackEntry != null) {
+                        navigator.navController.popBackStack()
+                    }
+                },
             )
         }
 
@@ -133,14 +137,20 @@ fun MainNavHost(
             BitnagilWebViewScreen(
                 title = webViewRoute.title,
                 url = webViewRoute.url,
-                onBackClick = { navigator.navController.popBackStack() },
+                onBackClick = {
+                    if (navigator.navController.previousBackStackEntry != null) {
+                        navigator.navController.popBackStack()
+                    }
+                },
             )
         }
 
         composable<Route.Setting> {
             SettingScreenContainer(
                 navigateToBack = {
-                    navigator.navController.popBackStack()
+                    if (navigator.navController.previousBackStackEntry != null) {
+                        navigator.navController.popBackStack()
+                    }
                 },
                 navigateToTermsOfService = {
                     navigator.navController.navigate(
@@ -190,7 +200,9 @@ fun MainNavHost(
                     }
                 },
                 navigateToBack = {
-                    navigator.navController.popBackStack()
+                    if (navigator.navController.previousBackStackEntry != null) {
+                        navigator.navController.popBackStack()
+                    }
                 },
             )
         }
@@ -210,7 +222,9 @@ fun MainNavHost(
             WriteRoutineScreenContainer(
                 viewModel = viewModel,
                 navigateToBack = {
-                    navigator.navController.popBackStack()
+                    if (navigator.navController.previousBackStackEntry != null) {
+                        navigator.navController.popBackStack()
+                    }
                 },
             )
         }
@@ -218,7 +232,9 @@ fun MainNavHost(
         composable<Route.Emotion> {
             EmotionScreenContainer(
                 navigateToBack = {
-                    navigator.navController.popBackStack()
+                    if (navigator.navController.previousBackStackEntry != null) {
+                        navigator.navController.popBackStack()
+                    }
                 },
             )
         }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 187b4919..47973da5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ minSdk = "28"
 targetSdk = "35"
 
 ## App Versioning
-versionCode = "1"
+versionCode = "2"
 versionName = "1.0"
 
 # Android Gradle Plugin
diff --git a/presentation/src/main/java/com/threegap/bitnagil/presentation/setting/SettingScreen.kt b/presentation/src/main/java/com/threegap/bitnagil/presentation/setting/SettingScreen.kt
index 5f54a4eb..1df7064f 100644
--- a/presentation/src/main/java/com/threegap/bitnagil/presentation/setting/SettingScreen.kt
+++ b/presentation/src/main/java/com/threegap/bitnagil/presentation/setting/SettingScreen.kt
@@ -29,7 +29,6 @@ import com.threegap.bitnagil.designsystem.component.block.BitnagilOptionButton
 import com.threegap.bitnagil.designsystem.component.block.BitnagilTopBar
 import com.threegap.bitnagil.presentation.common.flow.collectAsEffect
 import com.threegap.bitnagil.presentation.setting.component.atom.settingtitle.SettingTitle
-import com.threegap.bitnagil.presentation.setting.component.atom.toggleswitch.ToggleSwitch
 import com.threegap.bitnagil.presentation.setting.component.block.ConfirmDialog
 import com.threegap.bitnagil.presentation.setting.model.mvi.SettingSideEffect
 import com.threegap.bitnagil.presentation.setting.model.mvi.SettingState
@@ -103,38 +102,6 @@ private fun SettingScreen(
         ) {
             Spacer(modifier = Modifier.height(32.dp))
 
-            SettingTitle("알림")
-
-            Row(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(48.dp)
-                    .padding(horizontal = 16.dp),
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically,
-            ) {
-                Text("서비스 이용 알림", style = BitnagilTheme.typography.body1Regular)
-                ToggleSwitch(checked = state.useServiceAlarm, onCheckedChange = { toggleServiceAlarm() })
-            }
-
-            Row(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(48.dp)
-                    .padding(horizontal = 16.dp),
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically,
-            ) {
-                Text("푸시알림", style = BitnagilTheme.typography.body1Regular)
-                ToggleSwitch(checked = state.usePushAlarm, onCheckedChange = { togglePushAlarm() })
-            }
-
-            Spacer(modifier = Modifier.height(6.dp))
-
-            HorizontalDivider(modifier = Modifier.height(6.dp), thickness = 6.dp, color = BitnagilTheme.colors.coolGray98)
-
-            Spacer(modifier = Modifier.height(18.dp))
-
             SettingTitle("정보")
 
             Row(