diff --git a/src/test/resources/init.sql b/src/test/resources/init.sql
index 417dcee..b4bdb46 100644
--- a/src/test/resources/init.sql
+++ b/src/test/resources/init.sql
@@ -62,21 +62,18 @@ create table discussion
     created_date varchar(255) not null,
     title        varchar(20)  not null,
     user_id      bigint null,
-    primary key (id),
-    foreign key (user_id) references users (id)
+    primary key (id)
 );
 
 create table comment
 (
-    id            bigint generated by default as identity,
+    id            Long generated by default as identity,
     comment       text,
     created_date  varchar(255) not null,
     modified_date varchar(255) null,
-    discussion_id bigint null,
-    user_id       bigint null,
-    primary key (id),
-    foreign key (user_id) references users (id),
-    foreign key (discussion_id) references discussion (id)
+    discussion_id Long null,
+    user_id       Long null,
+    primary key (id)
 );
 
 create table suggestion
@@ -89,9 +86,7 @@ create table suggestion
     title         varchar(20)  not null,
     restaurant_id bigint null,
     user_id       bigint null,
-    primary key (id),
-    foreign key (restaurant_id) references restaurant (id),
-    foreign key (user_id) references users (id)
+    primary key (id)
 );
 
 create table role
@@ -107,7 +102,5 @@ create table user_role
     created      timestamp null,
     role_id      bigint null,
     user_id      bigint null,
-    primary key (user_role_id),
-    foreign key (user_id) references users (id),
-    foreign key (role_id) references role (id)
+    primary key (user_role_id)
 );
\ No newline at end of file