diff --git a/src/common/ReflectionCache.cj b/src/common/ReflectionCache.cj
index 2b95ed4..c793b54 100644
--- a/src/common/ReflectionCache.cj
+++ b/src/common/ReflectionCache.cj
@@ -28,8 +28,6 @@ public class FieldMetadata {
     public var variable: ?InstanceVariableInfo = None
     /// 是否可变（反序列化只写 var）
     public var mutable: Bool = false
-
-    public init() {}
 }
 
 /**
diff --git a/src/json/JsonOption.cj b/src/json/JsonOption.cj
index d5f7938..bedd058 100644
--- a/src/json/JsonOption.cj
+++ b/src/json/JsonOption.cj
@@ -20,8 +20,6 @@ public class JsonOption {
     /// 递归深度上限（默认 64）
     public var maxDepth: Int64 = 64
 
-    public init() {}
-
     /// 默认选项实例
     public static let instance: JsonOption = JsonOption()
 }
diff --git a/src/tests/JsonSerializer_test.cj b/src/tests/JsonSerializer_test.cj
index 02154de..b86eb1b 100644
--- a/src/tests/JsonSerializer_test.cj
+++ b/src/tests/JsonSerializer_test.cj
@@ -67,7 +67,6 @@ open class MidParent <: GrandParent {
 
 class LeafChild <: MidParent {
     public var _lc: String = ""
-    public init() {}
 }
 
 // 三级继承（全标宏）：爷 → 父 → 子 每层都标注 @SerializerParent
@@ -83,7 +82,6 @@ open class MidAll <: GrandAll {
 
 class LeafAll <: MidAll {
     public var _la: String = ""
-    public init() {}
 }
 
 func makeUser(): User {