diff --git a/src/main/kotlin/dao/AudioDao.kt b/src/main/kotlin/dao/AudioDao.kt
index b910e77..56b7fa0 100644
--- a/src/main/kotlin/dao/AudioDao.kt
+++ b/src/main/kotlin/dao/AudioDao.kt
@@ -52,7 +52,6 @@
             @JvmStatic
             fun findOneById(): String = SelectSQLBuilder(AudioEntity::class)
                 .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                 .toSql()
                 .WHERE("audio.id = #{id}")
                 .toString()
@@ -60,7 +59,6 @@
             @JvmStatic
             fun findOneBySlug(): String = SelectSQLBuilder(AudioEntity::class)
                 .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                 .toSql()
                 .WHERE("audio.slug = #{slug}")
                 .toString()
@@ -69,7 +67,6 @@
             fun findAllByArtistIdIn(@Param("artistIds") artistIds: List<Long>): String =
                 SelectSQLBuilder(AudioEntity::class)
                     .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                    .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                     .toSql()
                     .WHERE_IN("audio.artist_id", "artistIds", artistIds.size)
                     .toString()
@@ -78,7 +75,6 @@
             fun findAllByAlbumIdIn(@Param("albumIds") albumIds: List<Long>): String =
                 SelectSQLBuilder(AudioEntity::class)
                     .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                    .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                     .toSql()
                     .WHERE_IN("audio.album_id", "albumIds", albumIds.size)
                     .toString()
@@ -87,7 +83,6 @@
             fun findAllByIdIn(@Param("ids") ids: List<Long>): String =
                 SelectSQLBuilder(AudioEntity::class)
                     .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                    .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                     .toSql()
                     .WHERE_IN("audio.id", "ids", ids.size)
                     .toString()
@@ -96,7 +91,6 @@
             fun findAllBySlugIn(@Param("slugs") slugs: List<String>): String =
                 SelectSQLBuilder(AudioEntity::class)
                     .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                    .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                     .toSql()
                     .WHERE_IN("audio.slug", "slugs", slugs.size)
                     .toString()
@@ -108,7 +102,6 @@
             ): String =
                 SelectSQLBuilder(AudioEntity::class)
                     .leftOuterJoin(AlbumEntity::class, "audio.album_id = album.id")
-                    .leftOuterJoin(ArtistEntity::class, "audio.artist_id = artist.id")
                     .toSql()
                     .WHERE("audio.name LIKE CONCAT('%', #{nameLike}, '%')")
                     .LIMIT("#{limit}")