diff --git a/backend/src/main/java/reviewme/highlight/domain/exception/HighlightStartIndexExceedEndIndexException.java b/backend/src/main/java/reviewme/highlight/domain/exception/HighlightStartIndexExceedEndIndexException.java
deleted file mode 100644
index 38c99ac9a..000000000
--- a/backend/src/main/java/reviewme/highlight/domain/exception/HighlightStartIndexExceedEndIndexException.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package reviewme.highlight.domain.exception;
-
-import lombok.extern.slf4j.Slf4j;
-import reviewme.global.exception.BadRequestException;
-
-@Slf4j
-public class HighlightStartIndexExceedEndIndexException extends BadRequestException {
-
-    public HighlightStartIndexExceedEndIndexException(int startIndex, int endIndex) {
-        super("하이라이트 끝 위치는 시작 위치보다 같거나 커야 해요.");
-        log.info("Highlight start index exceed end index - startIndex: {}, endIndex: {}", startIndex, endIndex);
-    }
-}
diff --git a/backend/src/main/java/reviewme/review/domain/exception/MissingTextAnswerForQuestionException.java b/backend/src/main/java/reviewme/review/domain/exception/MissingTextAnswerForQuestionException.java
deleted file mode 100644
index 674dce41c..000000000
--- a/backend/src/main/java/reviewme/review/domain/exception/MissingTextAnswerForQuestionException.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package reviewme.review.domain.exception;
-
-import lombok.extern.slf4j.Slf4j;
-import reviewme.global.exception.DataInconsistencyException;
-
-@Slf4j
-public class MissingTextAnswerForQuestionException extends DataInconsistencyException {
-
-    public MissingTextAnswerForQuestionException(long questionId) {
-        super("서버 내부에 문제가 발생했습니다. 잠시 후 다시 시도해주세요.");
-        log.error("The question is a text question but text answer not found for questionId: {}", questionId, this);
-    }
-}
diff --git a/backend/src/main/java/reviewme/review/service/exception/AnswerNotFoundByIdException.java b/backend/src/main/java/reviewme/review/service/exception/AnswerNotFoundByIdException.java
deleted file mode 100644
index aef381ffc..000000000
--- a/backend/src/main/java/reviewme/review/service/exception/AnswerNotFoundByIdException.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package reviewme.review.service.exception;
-
-import lombok.extern.slf4j.Slf4j;
-import reviewme.global.exception.NotFoundException;
-
-@Slf4j
-public class AnswerNotFoundByIdException extends NotFoundException {
-
-    public AnswerNotFoundByIdException(long answerId) {
-        super("답변을 찾을 수 없어요.");
-        log.info("Answer not found by id - answerId: {}", answerId);
-    }
-}
diff --git a/backend/src/main/java/reviewme/review/service/exception/InvalidTextAnswerLengthException.java b/backend/src/main/java/reviewme/review/service/exception/InvalidTextAnswerLengthException.java
index 01c02ceb7..314f72673 100644
--- a/backend/src/main/java/reviewme/review/service/exception/InvalidTextAnswerLengthException.java
+++ b/backend/src/main/java/reviewme/review/service/exception/InvalidTextAnswerLengthException.java
@@ -8,7 +8,7 @@ public class InvalidTextAnswerLengthException extends BadRequestException {
 
     public InvalidTextAnswerLengthException(long questionId, int answerLength, int minLength, int maxLength) {
         super("답변의 길이는 %d자 이상 %d자 이하여야 해요.".formatted(minLength, maxLength));
-        log.warn("AnswerLength is out of bound - questionId: {}, answerLength: {}, minLength: {}, maxLength: {}",
+        log.info("AnswerLength is out of bound - questionId: {}, answerLength: {}, minLength: {}, maxLength: {}",
                 questionId, answerLength, minLength, maxLength, this);
     }
 
diff --git a/backend/src/main/java/reviewme/review/service/exception/SubmittedQuestionAndProvidedQuestionMismatchException.java b/backend/src/main/java/reviewme/review/service/exception/SubmittedQuestionAndProvidedQuestionMismatchException.java
index 1924b1cf5..97b0f77d9 100644
--- a/backend/src/main/java/reviewme/review/service/exception/SubmittedQuestionAndProvidedQuestionMismatchException.java
+++ b/backend/src/main/java/reviewme/review/service/exception/SubmittedQuestionAndProvidedQuestionMismatchException.java
@@ -1,7 +1,6 @@
 package reviewme.review.service.exception;
 
 import java.util.Collection;
-import java.util.List;
 import lombok.extern.slf4j.Slf4j;
 import reviewme.global.exception.BadRequestException;
 
@@ -16,9 +15,4 @@ public SubmittedQuestionAndProvidedQuestionMismatchException(Collection<Long> su
                 submittedQuestionIds, providedQuestionIds, this
         );
     }
-
-    public SubmittedQuestionAndProvidedQuestionMismatchException(long submittedQuestionId,
-                                                                 Collection<Long> providedQuestionIds) {
-        this(List.of(submittedQuestionId), providedQuestionIds);
-    }
 }