diff --git a/app/src/main/java/org/sopt/official/feature/auth/component/AuthTextField.kt b/app/src/main/java/org/sopt/official/feature/auth/component/AuthTextField.kt
index e0d01ee75..27adf0b95 100644
--- a/app/src/main/java/org/sopt/official/feature/auth/component/AuthTextField.kt
+++ b/app/src/main/java/org/sopt/official/feature/auth/component/AuthTextField.kt
@@ -24,8 +24,10 @@
  */
 package org.sopt.official.feature.auth.component
 
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -43,8 +45,10 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import org.sopt.official.R.drawable.ic_auth_certification_error
 import org.sopt.official.designsystem.Black60
 import org.sopt.official.designsystem.Gray10
 import org.sopt.official.designsystem.Gray100
@@ -92,7 +96,8 @@ internal fun AuthTextField(
                 if (labelText.isEmpty()) {
                     Text(
                         text = hintText,
-                        color = Gray100
+                        color = Gray100,
+                        style = SoptTheme.typography.body16M
                     )
                 }
 
@@ -111,11 +116,20 @@ internal fun AuthTextField(
         }
         if (isError && !errorMessage.isNullOrEmpty()) {
             Spacer(modifier = Modifier.height(8.dp))
-            Text(
-                text = errorMessage,
-                color = SoptTheme.colors.error,
-                style = SoptTheme.typography.label12SB,
-            )
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(6.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Image(
+                    painterResource(id = ic_auth_certification_error),
+                    contentDescription = "에러 아이콘",
+                )
+                Text(
+                    text = errorMessage,
+                    color = SoptTheme.colors.error,
+                    style = SoptTheme.typography.label12SB,
+                )
+            }
         }
     }
 }
diff --git a/app/src/main/java/org/sopt/official/feature/auth/feature/certificatemember/CertificateMemberScreen.kt b/app/src/main/java/org/sopt/official/feature/auth/feature/certificatemember/CertificateMemberScreen.kt
index 21a030c07..080d96fef 100644
--- a/app/src/main/java/org/sopt/official/feature/auth/feature/certificatemember/CertificateMemberScreen.kt
+++ b/app/src/main/java/org/sopt/official/feature/auth/feature/certificatemember/CertificateMemberScreen.kt
@@ -48,7 +48,6 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.launch
-import org.sopt.official.R.drawable.ic_auth_certification_error
 import org.sopt.official.R.drawable.ic_auth_memeber_error
 import org.sopt.official.R.drawable.ic_auth_process
 import org.sopt.official.designsystem.Blue500
@@ -58,7 +57,6 @@ import org.sopt.official.designsystem.Gray100
 import org.sopt.official.designsystem.Gray60
 import org.sopt.official.designsystem.Gray80
 import org.sopt.official.designsystem.Gray950
-import org.sopt.official.designsystem.Red100
 import org.sopt.official.designsystem.SoptTheme
 import org.sopt.official.designsystem.White
 import org.sopt.official.feature.auth.component.AuthButton
@@ -107,7 +105,7 @@ fun CertificateMemberScreen() {
             modifier = Modifier.fillMaxWidth(),
             labelText = "",
             hintText = "인증번호를 입력해 주세요.",
-            onTextChange = {}
+            onTextChange = {},
         )
         Spacer(modifier = Modifier.height(41.dp))
         AuthButton(
@@ -197,27 +195,6 @@ private fun TopBar(
     }
 }
 
-@Composable
-private fun ErrorText(
-    error: ErrorCase
-) {
-    Row(
-        modifier = Modifier.fillMaxWidth(),
-        horizontalArrangement = Arrangement.spacedBy(6.dp),
-        verticalAlignment = Alignment.CenterVertically
-    ) {
-        Image(
-            painterResource(id = ic_auth_certification_error),
-            contentDescription = "에러 아이콘",
-        )
-        Text(
-            text = error.message,
-            color = Red100,
-            style = SoptTheme.typography.label12SB
-        )
-    }
-}
-
 enum class ErrorCase(val message: String) {
     CODE_ERROR("인증번호가 일치하지 않아요.\n번호를 확인한 후 다시 입력해 주세요."),
     PHONE_ERROR("솝트 활동 시 사용한 전화번호가 아니예요.\n인증을 실패하신 경우 하단에서 다른 방법으로 인증할 수 있어요."),