diff --git a/src/main/java/run/halo/app/model/entity/BasePost.java b/src/main/java/run/halo/app/model/entity/BasePost.java
index 46042ac86..1071c1e54 100644
--- a/src/main/java/run/halo/app/model/entity/BasePost.java
+++ b/src/main/java/run/halo/app/model/entity/BasePost.java
@@ -17,7 +17,7 @@ import java.util.Date;
  */
 @Data
 @Entity(name = "BasePost")
-@Table(name = "posts", indexes = @Index(columnList = "url"))
+@Table(name = "posts")
 @DiscriminatorColumn(name = "type", discriminatorType = DiscriminatorType.INTEGER, columnDefinition = "int default 0")
 @ToString(callSuper = true)
 @EqualsAndHashCode(callSuper = true)
diff --git a/src/main/java/run/halo/app/model/entity/Tag.java b/src/main/java/run/halo/app/model/entity/Tag.java
index f9212a93d..d9cc1f53c 100644
--- a/src/main/java/run/halo/app/model/entity/Tag.java
+++ b/src/main/java/run/halo/app/model/entity/Tag.java
@@ -14,7 +14,7 @@ import javax.persistence.*;
  */
 @Data
 @Entity
-@Table(name = "tags", indexes = @Index(columnList = "slug_name"))
+@Table(name = "tags")
 @ToString
 @EqualsAndHashCode(callSuper = true)
 public class Tag extends BaseEntity {
diff --git a/src/main/java/run/halo/app/model/entity/ThemeSetting.java b/src/main/java/run/halo/app/model/entity/ThemeSetting.java
index c3d77a4f1..f86ddc285 100644
--- a/src/main/java/run/halo/app/model/entity/ThemeSetting.java
+++ b/src/main/java/run/halo/app/model/entity/ThemeSetting.java
@@ -14,7 +14,7 @@ import javax.persistence.*;
  */
 @Data
 @Entity
-@Table(name = "theme_settings", indexes = {@Index(columnList = "setting_key")})
+@Table(name = "theme_settings")
 @ToString(callSuper = true)
 @EqualsAndHashCode(callSuper = true)
 public class ThemeSetting extends BaseEntity {