diff --git a/src/boxes/socket_box.rs b/src/boxes/socket_box.rs
index d8ce7d73..12a57acd 100644
--- a/src/boxes/socket_box.rs
+++ b/src/boxes/socket_box.rs
@@ -62,34 +62,25 @@ impl Clone for SocketBox {
         
         // For listener and stream, we can't clone them, so we'll share them
         // but create new Arc instances with the current state
-        let cloned = Self {
+        Self {
             base: BoxBase::new(), // New unique ID for clone
             listener: Arc::clone(&self.listener),  // Share the same listener
             stream: Arc::clone(&self.stream),      // Share the same stream  
             is_server: Arc::new(Mutex::new(current_is_server)),     // New Arc with current value
             is_connected: Arc::new(Mutex::new(current_is_connected)), // New Arc with current value
-        };
-        
-        let original_arc_ptr = Arc::as_ptr(&self.is_server) as usize;
-        let cloned_arc_ptr = Arc::as_ptr(&cloned.is_server) as usize;
-        println!("🔄 SocketBox::clone() - original Box ID: {}, cloned Box ID: {}, Arc ptr: {:x} -> {:x}, is_server: {}", 
-                self.base.id, cloned.base.id, original_arc_ptr, cloned_arc_ptr, current_is_server);
-        cloned
+        }
     }
 }
 
 impl SocketBox {
     pub fn new() -> Self {
-        let instance = Self {
+        Self {
             base: BoxBase::new(),
             listener: Arc::new(Mutex::new(None)),
             stream: Arc::new(Mutex::new(None)),
             is_server: Arc::new(Mutex::new(false)),
             is_connected: Arc::new(Mutex::new(false)),
-        };
-        let arc_ptr = Arc::as_ptr(&instance.is_server) as usize;
-        println!("🔧 SocketBox::new() - created (Box ID: {}, Arc ptr: {:x})", instance.base.id, arc_ptr);
-        instance
+        }
     }
     
     /// TCP ソケットをアドレス・ポートにバインド
@@ -98,36 +89,22 @@ impl SocketBox {
         let port_str = port.to_string_box().value;
         
         let socket_addr = format!("{}:{}", addr_str, port_str);
-        println!("🔍 SocketBox::bind() called with address: {} (Box ID: {})", socket_addr, self.base.id);
         
         match TcpListener::bind(&socket_addr) {
             Ok(listener) => {
-                println!("✅ SocketBox::bind() - TcpListener created successfully (Box ID: {})", self.base.id);
                 match self.listener.lock() {
                     Ok(mut listener_guard) => {
                         *listener_guard = Some(listener);
-                        let arc_ptr = Arc::as_ptr(&self.listener) as usize;
-                        println!("✅ SocketBox::bind() - Listener stored successfully (Box ID: {}, Arc ptr: {:x})", self.base.id, arc_ptr);
                     },
                     Err(_) => {
-                        println!("🚨 SocketBox::bind() - Failed to acquire listener lock (Box ID: {})", self.base.id);
                         return Box::new(BoolBox::new(false));
                     }
                 }
                 match self.is_server.lock() {
                     Ok(mut is_server_guard) => {
                         *is_server_guard = true;
-                        let arc_ptr = Arc::as_ptr(&self.is_server) as usize;
-                        // Verify the value was actually set
-                        let verify_value = *is_server_guard;
-                        println!("✅ SocketBox::bind() - is_server set to true (Box ID: {}, Arc ptr: {:x}, verify: {})", self.base.id, arc_ptr, verify_value);
-                        // Also verify it's readable immediately
-                        drop(is_server_guard);
-                        let reread_value = *self.is_server.lock().unwrap();
-                        println!("🔍 SocketBox::bind() - reread value: {}", reread_value);
                     },
                     Err(_) => {
-                        println!("🚨 SocketBox::bind() - Failed to acquire is_server lock (Box ID: {})", self.base.id);
                         // Non-critical error, continue
                     }
                 }
@@ -143,41 +120,26 @@ impl SocketBox {
     /// 指定した backlog で接続待機開始
     pub fn listen(&self, backlog: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
         let _backlog_num = backlog.to_string_box().value.parse::<i32>().unwrap_or(128);
-        println!("🔍 SocketBox::listen() called (Box ID: {})", self.base.id);
         
         // Check if listener exists and is properly bound
         let listener_guard = match self.listener.lock() {
             Ok(guard) => guard,
-            Err(_) => {
-                println!("🚨 SocketBox::listen() - Failed to acquire listener lock (Box ID: {})", self.base.id);
-                return Box::new(BoolBox::new(false));
-            },
+            Err(_) => return Box::new(BoolBox::new(false)),
         };
         
-        println!("🔍 SocketBox::listen() - Listener guard acquired (Box ID: {}), is_some: {}", 
-                self.base.id, listener_guard.is_some());
-        
         if let Some(ref listener) = *listener_guard {
-            println!("✅ SocketBox::listen() - Listener found (Box ID: {})", self.base.id);
-            let arc_ptr = Arc::as_ptr(&self.listener) as usize;
-            println!("🔍 SocketBox::listen() - Listener Arc ptr: {:x}", arc_ptr);
             // Try to get the local address to confirm the listener is working
             match listener.local_addr() {
                 Ok(_addr) => {
-                    println!("✅ SocketBox::listen() - Listener is valid (Box ID: {})", self.base.id);
                     // Listener is properly set up and can accept connections
                     Box::new(BoolBox::new(true))
                 },
                 Err(_) => {
-                    println!("🚨 SocketBox::listen() - Listener exists but has issues (Box ID: {})", self.base.id);
                     // Listener exists but has issues
                     Box::new(BoolBox::new(false))
                 }
             }
         } else {
-            println!("🚨 SocketBox::listen() - No listener bound (Box ID: {})", self.base.id);
-            let arc_ptr = Arc::as_ptr(&self.listener) as usize;
-            println!("🔍 SocketBox::listen() - Listener Arc ptr: {:x}", arc_ptr);
             // No listener bound - this is expected behavior for now
             // HTTPServerBox will handle binding separately
             Box::new(BoolBox::new(false))
@@ -359,14 +321,6 @@ impl SocketBox {
     /// サーバーモード確認
     pub fn is_server(&self) -> Box<dyn NyashBox> {
         let is_server_value = *self.is_server.lock().unwrap();
-        let arc_ptr = Arc::as_ptr(&self.is_server) as usize;
-        println!("🔍 SocketBox::is_server() called - returning {} (Box ID: {}, Arc ptr: {:x})", 
-                is_server_value, self.base.id, arc_ptr);
-        // Double-check by re-reading
-        let double_check = *self.is_server.lock().unwrap();
-        if is_server_value != double_check {
-            println!("🚨 WARNING: is_server value changed between reads! {} -> {}", is_server_value, double_check);
-        }
         Box::new(BoolBox::new(is_server_value))
     }
 }
diff --git a/src/interpreter/expressions.rs b/src/interpreter/expressions.rs
index 3a831be7..d004299a 100644
--- a/src/interpreter/expressions.rs
+++ b/src/interpreter/expressions.rs
@@ -328,18 +328,6 @@ impl NyashInterpreter {
         // オブジェクトを評価（通常のメソッド呼び出し）
         let obj_value = self.execute_expression(object)?;
         
-        // Debug: Print object type and Box ID for SocketBox debugging
-        if method == "bind" || method == "listen" || method == "isServer" {
-            println!("🔍 DEBUG: Method '{}' called on object type: {} (Box ID: {})", 
-                    method, 
-                    obj_value.type_name(), 
-                    if let Some(socket_box) = obj_value.as_any().downcast_ref::<SocketBox>() {
-                        socket_box.box_id().to_string()
-                    } else {
-                        "N/A".to_string()
-                    });
-        }
-        
         // StringBox method calls
         if let Some(string_box) = obj_value.as_any().downcast_ref::<StringBox>() {
             return self.execute_string_method(string_box, method, arguments);
@@ -477,11 +465,7 @@ impl NyashInterpreter {
                     if let Some(stored_var) = self.local_vars.get_mut(name) {
                         // Replace the stored instance with the modified one
                         let updated_instance = socket_box.clone();
-                        let new_box_id = updated_instance.box_id();
-                        let new_is_server = updated_instance.is_server().to_string_box().value == "true";
                         *stored_var = Box::new(updated_instance);
-                        println!("🔧 Updated local variable '{}' after '{}' - new Box ID: {}, is_server: {}", 
-                                name, method, new_box_id, new_is_server);
                     }
                 }
             }