diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditCertificateViewModel.kt b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditCertificateViewModel.kt
index 20f51d0..4b6f3e4 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditCertificateViewModel.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditCertificateViewModel.kt
@@ -57,10 +57,6 @@ class CareerEditCertificateViewModel : ViewModel() {
         return !title.value.isNullOrBlank() || !type.value.isNullOrBlank() || !startDate.value.isNullOrBlank() || !endDate.value.isNullOrBlank()
     }
 
-    private fun isDateValid(date: String?): Boolean {
-        return date.isNullOrBlank() || date.length == 8
-    }
-
     fun updateCertificateType(selectedType: String) {
         type.value = selectedType
     }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditContestViewModel.kt b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditContestViewModel.kt
index 8bd6c79..0083373 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditContestViewModel.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditContestViewModel.kt
@@ -57,10 +57,6 @@ class CareerEditContestViewModel : ViewModel() {
         return !title.value.isNullOrBlank() || !award.value.isNullOrBlank() || !startDate.value.isNullOrBlank() || !endDate.value.isNullOrBlank()
     }
 
-    private fun isDateValid(date: String?): Boolean {
-        return date.isNullOrBlank() || date.length == 8
-    }
-
     fun updateSelectedAward(selectedAward: String) {
         award.value = selectedAward
     }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditVolunteerViewModel.kt b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditVolunteerViewModel.kt
index 07fccca..cad2f85 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditVolunteerViewModel.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerEditVolunteerViewModel.kt
@@ -57,10 +57,6 @@ class CareerEditVolunteerViewModel : ViewModel() {
         return !title.value.isNullOrBlank() || !hour.value.isNullOrBlank() || !startDate.value.isNullOrBlank() || !endDate.value.isNullOrBlank()
     }
 
-    private fun isDateValid(date: String?): Boolean {
-        return date.isNullOrBlank() || date.length == 8
-    }
-
     private val careerApiService = ApiClient.createService<CareerApi>()
 
     private val _volunteerDetailInfo: MutableLiveData<CareerDetailResponse?> = MutableLiveData()