diff --git a/rust-sdk/src/lib.rs b/rust-sdk/src/lib.rs
index 01f7e1c3c7..a45c788d26 100644
--- a/rust-sdk/src/lib.rs
+++ b/rust-sdk/src/lib.rs
@@ -2,7 +2,7 @@ mod error;
 mod logger;
 mod machine;
 
-pub use error::*;
+pub use error::{CryptoStoreError, MachineCreationError};
 pub use logger::{set_logger, Logger};
 pub use machine::{Device, DeviceLists, OlmMachine, Request, RequestType, Sas};
 
diff --git a/rust-sdk/src/machine.rs b/rust-sdk/src/machine.rs
index 4894fd7074..7f96f61ae6 100644
--- a/rust-sdk/src/machine.rs
+++ b/rust-sdk/src/machine.rs
@@ -246,15 +246,6 @@ impl OlmMachine {
             .collect()
     }
 
-    pub fn slow_user_id(&self) -> String {
-        let machine = self.inner.clone();
-
-        self.runtime.block_on(async {
-            sleep(Duration::from_secs(10)).await;
-            machine.user_id().to_string()
-        })
-    }
-
     pub fn mark_request_as_sent(
         &self,
         request_id: &str,