diff --git a/examples/actix3_example/migration/src/m20220120_000001_create_post_table.rs b/examples/actix3_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/actix3_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/actix3_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/examples/actix_example/migration/src/m20220120_000001_create_post_table.rs b/examples/actix_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/actix_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/actix_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/examples/axum_example/migration/src/m20220120_000001_create_post_table.rs b/examples/axum_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/axum_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/axum_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/examples/graphql_example/migration/src/m20220101_000001_create_table.rs b/examples/graphql_example/migration/src/m20220101_000001_create_table.rs
index 2bb20e11..631cafbf 100644
--- a/examples/graphql_example/migration/src/m20220101_000001_create_table.rs
+++ b/examples/graphql_example/migration/src/m20220101_000001_create_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Notes {
diff --git a/examples/jsonrpsee_example/migration/src/m20220120_000001_create_post_table.rs b/examples/jsonrpsee_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/jsonrpsee_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/jsonrpsee_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/examples/poem_example/migration/src/m20220120_000001_create_post_table.rs b/examples/poem_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/poem_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/poem_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/examples/rocket_example/migration/src/m20220120_000001_create_post_table.rs b/examples/rocket_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/rocket_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/rocket_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/examples/tonic_example/migration/src/m20220120_000001_create_post_table.rs b/examples/tonic_example/migration/src/m20220120_000001_create_post_table.rs
index 034cd9f6..e544701e 100644
--- a/examples/tonic_example/migration/src/m20220120_000001_create_post_table.rs
+++ b/examples/tonic_example/migration/src/m20220120_000001_create_post_table.rs
@@ -37,11 +37,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/sea-orm-cli/template/migration/src/m20220101_000001_create_table.rs b/sea-orm-cli/template/migration/src/m20220101_000001_create_table.rs
index c114f9a8..12a3bec1 100644
--- a/sea-orm-cli/template/migration/src/m20220101_000001_create_table.rs
+++ b/sea-orm-cli/template/migration/src/m20220101_000001_create_table.rs
@@ -43,11 +43,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 enum Post {
diff --git a/sea-orm-migration/tests/migrator/m20220118_000001_create_cake_table.rs b/sea-orm-migration/tests/migrator/m20220118_000001_create_cake_table.rs
index 044fa264..b1b3d9cf 100644
--- a/sea-orm-migration/tests/migrator/m20220118_000001_create_cake_table.rs
+++ b/sea-orm-migration/tests/migrator/m20220118_000001_create_cake_table.rs
@@ -35,11 +35,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 pub enum Cake {
diff --git a/sea-orm-migration/tests/migrator/m20220118_000002_create_fruit_table.rs b/sea-orm-migration/tests/migrator/m20220118_000002_create_fruit_table.rs
index 65a0857a..6ffd0a2c 100644
--- a/sea-orm-migration/tests/migrator/m20220118_000002_create_fruit_table.rs
+++ b/sea-orm-migration/tests/migrator/m20220118_000002_create_fruit_table.rs
@@ -54,11 +54,6 @@ impl MigrationTrait for Migration {
     }
 }
 
-/// `Iden` is a trait for identifiers used in any query statement.
-/// 
-/// Commonly implemented by Enum where each Enum represents a table found in a database,
-/// and its variants include table name and column name.
-/// 
 /// Learn more at https://docs.rs/sea-query#iden
 #[derive(Iden)]
 pub enum Fruit {