diff --git a/frontend/app/src/main/java/com/example/speechbuddy/data/local/SymbolDao.kt b/frontend/app/src/main/java/com/example/speechbuddy/data/local/SymbolDao.kt
index 130f118c..7dfd13a5 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/data/local/SymbolDao.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/data/local/SymbolDao.kt
@@ -47,6 +47,9 @@ interface SymbolDao {
     @Upsert
     suspend fun upsertAll(symbolEntities: List<SymbolEntity>)
 
-    @Query("DELETE FROM symbols")
-    suspend fun deleteAllSymbols()
+    @Query("DELETE FROM symbols WHERE isMine = 1")
+    suspend fun deleteAllMySymbols()
+
+    @Query("UPDATE symbols SET isFavorite = 0 WHERE isFavorite = 1")
+    suspend fun resetFavoriteSymbols()
 }
\ No newline at end of file
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/data/local/UserDao.kt b/frontend/app/src/main/java/com/example/speechbuddy/data/local/UserDao.kt
index 36c664e5..d80a7ff1 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/data/local/UserDao.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/data/local/UserDao.kt
@@ -24,4 +24,7 @@ interface UserDao {
 
     @Query("DELETE FROM users WHERE id = :id")
     suspend fun deleteUserById(id: Int)
+
+    @Query("DELETE FROM users")
+    suspend fun deleteUserInfo()
 }
\ No newline at end of file
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/data/local/WeightRowDao.kt b/frontend/app/src/main/java/com/example/speechbuddy/data/local/WeightRowDao.kt
index 042be11d..2e0b8eba 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/data/local/WeightRowDao.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/data/local/WeightRowDao.kt
@@ -21,7 +21,9 @@ interface WeightRowDao {
     @Upsert
     suspend fun upsertAll(weightRowEntities: List<WeightRowEntity>)
 
-    @Query("DELETE FROM weighttable")
-    suspend fun deleteAllWeightRows()
+    @Query("DELETE FROM weighttable WHERE id > 500")
+    suspend fun deleteMySymbolsWeightRows()
 
+    @Query("UPDATE weighttable SET weights = :resetWeights WHERE id < 501")
+    suspend fun resetOriginalSymbolsWeightRows(resetWeights: List<Int>)
 }
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/domain/SessionManager.kt b/frontend/app/src/main/java/com/example/speechbuddy/domain/SessionManager.kt
index 63c6ea26..cd6facce 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/domain/SessionManager.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/domain/SessionManager.kt
@@ -48,7 +48,7 @@ class SessionManager {
         }
     }
 
-    fun logout() {
+    fun deleteToken() {
         CoroutineScope(Dispatchers.Main).launch {
             _cachedToken.value = null
             _userId.value = null
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/repository/AuthRepository.kt b/frontend/app/src/main/java/com/example/speechbuddy/repository/AuthRepository.kt
index 1fa99578..2cda5ca1 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/repository/AuthRepository.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/repository/AuthRepository.kt
@@ -17,12 +17,9 @@ import com.example.speechbuddy.service.AuthService
 import com.example.speechbuddy.utils.Resource
 import com.example.speechbuddy.utils.ResponseCode
 import com.example.speechbuddy.utils.ResponseHandler
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.launch
 import retrofit2.Response
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -141,9 +138,6 @@ class AuthRepository @Inject constructor(
                 val refreshToken = sessionManager.cachedToken.value!!.refreshToken!!
                 val result =
                     authService.logout(getAuthHeader(), AuthRefreshRequest(refreshToken))
-                CoroutineScope(Dispatchers.IO).launch {
-                    authTokenPrefsManager.clearAuthToken()
-                }
                 emit(result)
             } catch (e: Exception) {
                 emit(responseHandler.getConnectionErrorResponse())
@@ -156,9 +150,6 @@ class AuthRepository @Inject constructor(
                 val refreshToken = sessionManager.cachedToken.value!!.refreshToken!!
                 val result =
                     authService.withdraw(getAuthHeader(), AuthRefreshRequest(refreshToken))
-                CoroutineScope(Dispatchers.IO).launch {
-                    authTokenPrefsManager.clearAuthToken()
-                }
                 emit(result)
             } catch (e: Exception) {
                 emit(responseHandler.getConnectionErrorResponse())
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/repository/SettingsRepository.kt b/frontend/app/src/main/java/com/example/speechbuddy/repository/SettingsRepository.kt
index 0935e4db..f71557d6 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/repository/SettingsRepository.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/repository/SettingsRepository.kt
@@ -83,6 +83,10 @@ class SettingsRepository @Inject constructor(
         }
     }
 
+    suspend fun resetSettings() {
+        settingsPrefManager.resetSettings()
+    }
+
     suspend fun displayBackup(): Flow<Response<Void>> =
         flow {
             try {
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/repository/SymbolRepository.kt b/frontend/app/src/main/java/com/example/speechbuddy/repository/SymbolRepository.kt
index e18d1d7d..5875d005 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/repository/SymbolRepository.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/repository/SymbolRepository.kt
@@ -110,8 +110,12 @@ class SymbolRepository @Inject constructor(
     fun getNextSymbolId() =
         symbolDao.getLastSymbol().map { symbol -> symbol.id +1 }
 
-    fun clearAllMySymbols() {
-        /* TODO: 내가 만든 상징들 모두 삭제 */
+    suspend fun clearAllMySymbols() {
+        symbolDao.deleteAllMySymbols()
+    }
+
+    suspend fun resetFavoriteSymbols() {
+        symbolDao.resetFavoriteSymbols()
     }
 
     suspend fun insertSymbol(symbol: Symbol) {
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/repository/UserRepository.kt b/frontend/app/src/main/java/com/example/speechbuddy/repository/UserRepository.kt
index c57ed0d7..13354fae 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/repository/UserRepository.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/repository/UserRepository.kt
@@ -51,6 +51,10 @@ class UserRepository @Inject constructor(
         }
     }
 
+    suspend fun deleteUserInfo() {
+        userDao.deleteUserInfo()
+    }
+
     private fun <T> returnUnknownError(): Resource<T> {
         return Resource.error(
             "Unknown error", null
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/repository/WeightTableRepository.kt b/frontend/app/src/main/java/com/example/speechbuddy/repository/WeightTableRepository.kt
index 93fc6417..d3997d3b 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/repository/WeightTableRepository.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/repository/WeightTableRepository.kt
@@ -46,8 +46,9 @@ class WeightTableRepository @Inject constructor(
             }
         }
 
-    suspend fun deleteAllWeightRows() {
-        weightRowDao.deleteAllWeightRows()
+    suspend fun resetAllWeightRows() {
+        weightRowDao.deleteMySymbolsWeightRows()
+        weightRowDao.resetOriginalSymbolsWeightRows(List(500) { 0 })
     }
 
     suspend fun getBackupWeightTableRequest(): BackupWeightTableRequest {
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/AccountSettingsViewModel.kt b/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/AccountSettingsViewModel.kt
index 1fb80024..64c9211f 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/AccountSettingsViewModel.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/AccountSettingsViewModel.kt
@@ -4,10 +4,13 @@ import android.os.Build
 import androidx.annotation.RequiresApi
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.example.speechbuddy.data.local.AuthTokenPrefsManager
 import com.example.speechbuddy.domain.SessionManager
 import com.example.speechbuddy.repository.AuthRepository
 import com.example.speechbuddy.repository.SettingsRepository
+import com.example.speechbuddy.repository.SymbolRepository
 import com.example.speechbuddy.repository.UserRepository
+import com.example.speechbuddy.repository.WeightTableRepository
 import com.example.speechbuddy.ui.models.AccountSettingsAlert
 import com.example.speechbuddy.ui.models.AccountSettingsUiState
 import com.example.speechbuddy.utils.ResponseCode
@@ -25,8 +28,11 @@ import javax.inject.Inject
 class AccountSettingsViewModel @Inject internal constructor(
     private val authRepository: AuthRepository,
     private val settingsRepository: SettingsRepository,
+    private val weightTableRepository: WeightTableRepository,
+    private val symbolRepository: SymbolRepository,
     private val userRepository: UserRepository,
-    private val sessionManager: SessionManager
+    private val sessionManager: SessionManager,
+    private val authTokenPrefsManager: AuthTokenPrefsManager
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(AccountSettingsUiState())
@@ -68,8 +74,13 @@ class AccountSettingsViewModel @Inject internal constructor(
             authRepository.logout().collect { result ->
                 when (result.code()) {
                     ResponseCode.SUCCESS.value -> {
-                        /* TODO: 디바이스에 저장돼 있는 유저 정보 초기화(토큰 말고) */
-                        sessionManager.logout()
+                        settingsRepository.resetSettings()
+                        weightTableRepository.resetAllWeightRows()
+                        symbolRepository.clearAllMySymbols()
+                        symbolRepository.resetFavoriteSymbols()
+                        userRepository.deleteUserInfo()
+                        sessionManager.deleteToken()
+                        authTokenPrefsManager.clearAuthToken()
                         hideAlert()
                     }
 
@@ -87,8 +98,13 @@ class AccountSettingsViewModel @Inject internal constructor(
             authRepository.withdraw().collect { result ->
                 when (result.code()) {
                     ResponseCode.SUCCESS.value -> {
-                        /* TODO: 디바이스에 저장돼 있는 유저 정보 초기화(토큰 말고) */
-                        sessionManager.logout()
+                        settingsRepository.resetSettings()
+                        weightTableRepository.resetAllWeightRows()
+                        symbolRepository.clearAllMySymbols()
+                        symbolRepository.resetFavoriteSymbols()
+                        userRepository.deleteUserInfo()
+                        sessionManager.deleteToken()
+                        authTokenPrefsManager.clearAuthToken()
                         hideAlert()
                     }
 
diff --git a/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/ResetPasswordViewModel.kt b/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/ResetPasswordViewModel.kt
index 0b53e6d8..7985dd6f 100644
--- a/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/ResetPasswordViewModel.kt
+++ b/frontend/app/src/main/java/com/example/speechbuddy/viewmodel/ResetPasswordViewModel.kt
@@ -107,7 +107,7 @@ class ResetPasswordViewModel @Inject internal constructor(
                 ).collect { result ->
                     when (result.code()) {
                         ResponseCode.SUCCESS.value -> {
-                            sessionManager.logout()
+                            sessionManager.deleteToken()
                             onSuccess()
                         }