diff --git a/data/src/main/java/com/nexters/boolti/data/network/response/PreQuestionAnswerResponse.kt b/data/src/main/java/com/nexters/boolti/data/network/response/PreQuestionAnswerResponse.kt
index cc95b7f0..9681f7e9 100644
--- a/data/src/main/java/com/nexters/boolti/data/network/response/PreQuestionAnswerResponse.kt
+++ b/data/src/main/java/com/nexters/boolti/data/network/response/PreQuestionAnswerResponse.kt
@@ -14,9 +14,9 @@ internal data class PreQuestionAnswerDetailResponse(
 internal data class PreQuestionAnswerItemResponse(
     val preQuestionId: Long,
     val question: String,
-    val description: String?,
+    val description: String,
     val isRequired: Boolean,
-    val answer: String?,
+    val answer: String,
     val createdAt: String?,
     val modifiedAt: String?,
 )
@@ -24,9 +24,9 @@ internal data class PreQuestionAnswerItemResponse(
 internal fun PreQuestionAnswerItemResponse.toDomain() = PreQuestionAnswer(
     preQuestionId = preQuestionId,
     question = question,
-    description = description.orEmpty(),
+    description = description,
     isRequired = isRequired,
-    answer = answer.orEmpty(),
+    answer = answer,
 )
 
 internal fun List<PreQuestionAnswerItemResponse>.toDomains() = map { it.toDomain() }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/prequestionedit/PreQuestionEditViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/prequestionedit/PreQuestionEditViewModel.kt
index 7d3f37a7..1d03d727 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/prequestionedit/PreQuestionEditViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/prequestionedit/PreQuestionEditViewModel.kt
@@ -133,7 +133,6 @@ class PreQuestionEditViewModel @Inject constructor(
     private fun submitAnswers() {
         val state = uiState.value
         val answerRequests = state.answers
-            .filter { (_, answer) -> answer.isNotBlank() }
             .map { (questionId, answer) ->
                 PreQuestionAnswerRequest(
                     preQuestionId = questionId,
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt
index 369ad611..78f0958c 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt
@@ -235,7 +235,6 @@ class TicketingViewModel @Inject constructor(
         if (state.preQuestions.isEmpty()) return
 
         val answers = state.preQuestionAnswers
-            .filter { (_, answer) -> answer.isNotBlank() }
             .map { (questionId, answer) ->
                 PreQuestionAnswerRequest(
                     preQuestionId = questionId,
@@ -243,8 +242,6 @@ class TicketingViewModel @Inject constructor(
                 )
             }
 
-        if (answers.isEmpty()) return
-
         val request = SubmitPreQuestionAnswersRequest(
             reservationId = reservationId,
             answers = answers,