diff --git a/sea-orm-codegen/src/entity/column.rs b/sea-orm-codegen/src/entity/column.rs
index a031f3c9..532f2e91 100644
--- a/sea-orm-codegen/src/entity/column.rs
+++ b/sea-orm-codegen/src/entity/column.rs
@@ -109,6 +109,7 @@ impl Column {
                 let s = s.to_string();
                 quote! { ColumnType::Custom(#s.to_owned()).def() }
             }
+            #[allow(unreachable_patterns)]
             _ => unimplemented!(),
         };
         if !self.not_null {
diff --git a/tests/parallel_tests.rs b/tests/parallel_tests.rs
index dc997c7f..0ac09fd6 100644
--- a/tests/parallel_tests.rs
+++ b/tests/parallel_tests.rs
@@ -47,9 +47,9 @@ pub async fn crud_in_parallel(db: &DatabaseConnection) -> Result<(), DbErr> {
     )?;
 
     let find_res = futures::try_join!(
-        Metadata::find_by_id(metadata[0].uuid.clone()).one(db),
-        Metadata::find_by_id(metadata[1].uuid.clone()).one(db),
-        Metadata::find_by_id(metadata[2].uuid.clone()).one(db),
+        Metadata::find_by_id(metadata[0].uuid).one(db),
+        Metadata::find_by_id(metadata[1].uuid).one(db),
+        Metadata::find_by_id(metadata[2].uuid).one(db),
     )?;
 
     assert_eq!(
@@ -78,9 +78,9 @@ pub async fn crud_in_parallel(db: &DatabaseConnection) -> Result<(), DbErr> {
     )?;
 
     let find_res = futures::try_join!(
-        Metadata::find_by_id(metadata[0].uuid.clone()).one(db),
-        Metadata::find_by_id(metadata[1].uuid.clone()).one(db),
-        Metadata::find_by_id(metadata[2].uuid.clone()).one(db),
+        Metadata::find_by_id(metadata[0].uuid).one(db),
+        Metadata::find_by_id(metadata[1].uuid).one(db),
+        Metadata::find_by_id(metadata[2].uuid).one(db),
     )?;
 
     assert_eq!(