diff --git a/frontend/rust-lib/flowy-user/src/entities/workspace.rs b/frontend/rust-lib/flowy-user/src/entities/workspace.rs
index c06f99b576..c98e256547 100644
--- a/frontend/rust-lib/flowy-user/src/entities/workspace.rs
+++ b/frontend/rust-lib/flowy-user/src/entities/workspace.rs
@@ -135,6 +135,5 @@ pub struct ChangeWorkspaceIconPB {
   pub workspace_id: String,
 
   #[pb(index = 2)]
-  #[validate(custom = "required_not_empty_str")]
   pub new_icon: String,
 }