diff --git a/callbacks/associations.go b/callbacks/associations.go
index d7757fc1..2bde8051 100644
--- a/callbacks/associations.go
+++ b/callbacks/associations.go
@@ -39,10 +39,10 @@ func SaveBeforeAssociations(create bool) func(db *gorm.DB) {
 				switch db.Statement.ReflectValue.Kind() {
 				case reflect.Slice, reflect.Array:
 					var (
+						objs      = make([]reflect.Value, 0, db.Statement.ReflectValue.Len())
 						fieldType = rel.Field.FieldType
 						isPtr     = fieldType.Kind() == reflect.Ptr
 					)
-					objs := make([]reflect.Value, 0, db.Statement.ReflectValue.Len())
 
 					if !isPtr {
 						fieldType = reflect.PtrTo(fieldType)
diff --git a/callbacks/delete.go b/callbacks/delete.go
index f1bfcecb..64dd7236 100644
--- a/callbacks/delete.go
+++ b/callbacks/delete.go
@@ -69,15 +69,14 @@ func DeleteBeforeAssociations(db *gorm.DB) {
 							}
 						case schema.Many2Many:
 							var (
-								modelValue = reflect.New(rel.JoinTable.ModelType).Interface()
-								table      = rel.JoinTable.Table
-								tx         = db.Session(&gorm.Session{NewDB: true}).Model(modelValue).Table(table)
+								queryConds     = make([]clause.Expression, 0, len(rel.References))
+								foreignFields  = make([]*schema.Field, 0, len(rel.References))
+								relForeignKeys = make([]string, 0, len(rel.References))
+								modelValue     = reflect.New(rel.JoinTable.ModelType).Interface()
+								table          = rel.JoinTable.Table
+								tx             = db.Session(&gorm.Session{NewDB: true}).Model(modelValue).Table(table)
 							)
 
-							queryConds := make([]clause.Expression, 0, len(rel.References))
-							foreignFields := make([]*schema.Field, 0, len(rel.References))
-							relForeignKeys := make([]string, 0, len(rel.References))
-
 							for _, ref := range rel.References {
 								if ref.OwnPrimaryKey {
 									foreignFields = append(foreignFields, ref.PrimaryKey)
diff --git a/callbacks/preload.go b/callbacks/preload.go
index 0abaf8af..eafd407d 100644
--- a/callbacks/preload.go
+++ b/callbacks/preload.go
@@ -27,9 +27,12 @@ func preload(db *gorm.DB, rel *schema.Relationship, conds []interface{}, preload
 	})
 
 	if rel.JoinTable != nil {
-		joinForeignFields := make([]*schema.Field, 0, len(rel.References))
-		joinRelForeignFields := make([]*schema.Field, 0, len(rel.References))
-		joinForeignKeys := make([]string, 0, len(rel.References))
+
+		var (
+			joinForeignFields    = make([]*schema.Field, 0, len(rel.References))
+			joinRelForeignFields = make([]*schema.Field, 0, len(rel.References))
+			joinForeignKeys      = make([]string, 0, len(rel.References))
+		)
 
 		for _, ref := range rel.References {
 			if ref.OwnPrimaryKey {