diff --git a/make/common/db/registry.sql b/make/common/db/registry.sql
index 0f7038c0e..b2baec91e 100644
--- a/make/common/db/registry.sql
+++ b/make/common/db/registry.sql
@@ -107,8 +107,7 @@ create table access_log (
  operation varchar(20) NOT NULL,
  op_time timestamp,
  primary key (log_id),
- INDEX pid_optime (project_id, op_time),
- FOREIGN KEY (project_id) REFERENCES project (project_id)
+ INDEX pid_optime (project_id, op_time)
 );
 
 create table repository (
diff --git a/make/common/db/registry_sqlite.sql b/make/common/db/registry_sqlite.sql
index 280745567..02961b706 100644
--- a/make/common/db/registry_sqlite.sql
+++ b/make/common/db/registry_sqlite.sql
@@ -102,8 +102,7 @@ create table access_log (
  repo_tag varchar (128),
  GUID varchar(64), 
  operation varchar(20) NOT NULL,
- op_time timestamp,
- FOREIGN KEY (project_id) REFERENCES project (project_id)
+ op_time timestamp
 );
 
 CREATE INDEX pid_optime ON access_log (project_id, op_time);
@@ -117,7 +116,6 @@ create table repository (
  star_count int DEFAULT 0 NOT NULL,
  creation_time timestamp default CURRENT_TIMESTAMP,
  update_time timestamp default CURRENT_TIMESTAMP,
- FOREIGN KEY (project_id) REFERENCES project(project_id),
  UNIQUE (name)
 );
 
diff --git a/tools/migration/changelog.md b/tools/migration/changelog.md
index a0851ebe1..ac279b560 100644
--- a/tools/migration/changelog.md
+++ b/tools/migration/changelog.md
@@ -43,4 +43,5 @@ Changelog for harbor database schema
   - delete column `owner_id` from table `repository`
   - delete column `user_id` from table `access_log`
   - delete foreign key (user_id) references user(user_id)from table `access_log`
+  - delete foreign key (project_id) references project(project_id)from table `access_log`
   - add column `username` varchar (32) to table `access_log`
\ No newline at end of file