diff --git a/backend/src/main/java/com/dragonguard/backend/domain/blockchain/repository/JpaBlockchainRepository.java b/backend/src/main/java/com/dragonguard/backend/domain/blockchain/repository/JpaBlockchainRepository.java
index b6cc47ea..85374ea6 100644
--- a/backend/src/main/java/com/dragonguard/backend/domain/blockchain/repository/JpaBlockchainRepository.java
+++ b/backend/src/main/java/com/dragonguard/backend/domain/blockchain/repository/JpaBlockchainRepository.java
@@ -5,22 +5,17 @@
 import com.dragonguard.backend.domain.member.entity.Member;
 
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.QueryHints;
 
 import java.util.Optional;
 
-import javax.persistence.QueryHint;
-
 /**
  * @author 김승진
  * @description 블록체인 관련 DB와의 CRUD를 담당하는 클래스
  */
 public interface JpaBlockchainRepository
         extends JpaRepository<Blockchain, Long>, BlockchainRepository {
-    @QueryHints({@QueryHint(name = "javax.persistence.lock.timeout", value = "3000")})
     Optional<Blockchain> findByMemberAndContributeType(
             final Member member, final ContributeType contributeType);
 
-    @QueryHints({@QueryHint(name = "javax.persistence.lock.timeout", value = "3000")})
     Optional<Blockchain> findById(final Long id);
 }
diff --git a/backend/src/main/java/com/dragonguard/backend/domain/gitrepo/repository/JpaGitRepoRepository.java b/backend/src/main/java/com/dragonguard/backend/domain/gitrepo/repository/JpaGitRepoRepository.java
index 442f24c9..dd18263b 100644
--- a/backend/src/main/java/com/dragonguard/backend/domain/gitrepo/repository/JpaGitRepoRepository.java
+++ b/backend/src/main/java/com/dragonguard/backend/domain/gitrepo/repository/JpaGitRepoRepository.java
@@ -16,7 +16,6 @@
  */
 public interface JpaGitRepoRepository extends JpaRepository<GitRepo, Long>, GitRepoRepository {
     @Lock(LockModeType.PESSIMISTIC_READ)
-    @Query("SELECT gr FROM GitRepo gr WHERE gr.name = :name")
     @QueryHints({@QueryHint(name = "javax.persistence.lock.timeout", value = "1500")})
     Optional<GitRepo> findByName(final String name);
 
diff --git a/backend/src/main/java/com/dragonguard/backend/utils/CustomSpringELParser.java b/backend/src/main/java/com/dragonguard/backend/utils/CustomSpringELParser.java
index e0298ef7..caed1efd 100644
--- a/backend/src/main/java/com/dragonguard/backend/utils/CustomSpringELParser.java
+++ b/backend/src/main/java/com/dragonguard/backend/utils/CustomSpringELParser.java
@@ -14,7 +14,8 @@ public class CustomSpringELParser {
 
     private static final Integer START_INDEX = 0;
 
-    public Object getDynamicValue(String[] parameterNames, Object[] args, String key) {
+    public Object getDynamicValue(
+            final String[] parameterNames, final Object[] args, final String key) {
         ExpressionParser parser = new SpelExpressionParser();
         StandardEvaluationContext context = new StandardEvaluationContext();