diff --git a/crates/teloxide-core/src/types/chat_shared.rs b/crates/teloxide-core/src/types/chat_shared.rs
index 3eeace53..4616190a 100644
--- a/crates/teloxide-core/src/types/chat_shared.rs
+++ b/crates/teloxide-core/src/types/chat_shared.rs
@@ -15,14 +15,11 @@ pub struct ChatShared {
     pub chat_id: ChatId,
 
     /// Title of the chat, if it was requested.
-    #[serde(default)]
     pub title: Option<String>,
 
     /// Username of the chat, if it was requested.
-    #[serde(default)]
     pub username: Option<String>,
 
     /// Available sizes of the chat photo, if it was requested.
-    #[serde(default)]
     pub photo: Option<Vec<PhotoSize>>,
 }
diff --git a/crates/teloxide-core/src/types/keyboard_button_request_chat.rs b/crates/teloxide-core/src/types/keyboard_button_request_chat.rs
index b1df9448..47f9c4a3 100644
--- a/crates/teloxide-core/src/types/keyboard_button_request_chat.rs
+++ b/crates/teloxide-core/src/types/keyboard_button_request_chat.rs
@@ -130,22 +130,22 @@ impl KeyboardButtonRequestChat {
 
     /// Setter for `request_title` field.
     #[must_use]
-    pub fn request_title(mut self, value: bool) -> Self {
-        self.request_title = value;
+    pub fn request_title(mut self) -> Self {
+        self.request_title = true;
         self
     }
 
     /// Setter for `request_username` field.
     #[must_use]
-    pub fn request_username(mut self, value: bool) -> Self {
-        self.request_username = value;
+    pub fn request_username(mut self) -> Self {
+        self.request_username = true;
         self
     }
 
     /// Setter for `request_photo` field.
     #[must_use]
-    pub fn request_photo(mut self, value: bool) -> Self {
-        self.request_photo = value;
+    pub fn request_photo(mut self) -> Self {
+        self.request_photo = true;
         self
     }
 }
diff --git a/crates/teloxide-core/src/types/keyboard_button_request_users.rs b/crates/teloxide-core/src/types/keyboard_button_request_users.rs
index ea14101a..ffad3e1f 100644
--- a/crates/teloxide-core/src/types/keyboard_button_request_users.rs
+++ b/crates/teloxide-core/src/types/keyboard_button_request_users.rs
@@ -83,22 +83,22 @@ impl KeyboardButtonRequestUsers {
 
     /// Setter for `request_name` field
     #[must_use]
-    pub fn request_name(mut self, value: bool) -> Self {
-        self.request_name = Some(value);
+    pub fn request_name(mut self) -> Self {
+        self.request_name = Some(true);
         self
     }
 
     /// Setter for `request_username` field
     #[must_use]
-    pub fn request_username(mut self, value: bool) -> Self {
-        self.request_username = Some(value);
+    pub fn request_username(mut self) -> Self {
+        self.request_username = Some(true);
         self
     }
 
     /// Setter for `request_photo` field
     #[must_use]
-    pub fn request_photo(mut self, value: bool) -> Self {
-        self.request_photo = Some(value);
+    pub fn request_photo(mut self) -> Self {
+        self.request_photo = Some(true);
         self
     }
 }
diff --git a/crates/teloxide-core/src/types/shared_user.rs b/crates/teloxide-core/src/types/shared_user.rs
index ad4028bf..bca2dcb9 100644
--- a/crates/teloxide-core/src/types/shared_user.rs
+++ b/crates/teloxide-core/src/types/shared_user.rs
@@ -12,18 +12,14 @@ pub struct SharedUser {
     pub user_id: UserId,
 
     /// First name of the user, if it was requested by the bot
-    #[serde(default)]
     pub first_name: Option<String>,
 
     /// Last name of the user, if it was requested by the bot
-    #[serde(default)]
     pub last_name: Option<String>,
 
     /// Username of the user, if it was requested by the bot
-    #[serde(default)]
     pub username: Option<String>,
 
     /// Available sizes of the chat photo, if it was requested
-    #[serde(default)]
     pub photo: Option<Vec<PhotoSize>>,
 }