diff --git a/apps/desktop/desktop_native/core/src/biometric/macos.rs b/apps/desktop/desktop_native/core/src/biometric/macos.rs
index de5a8d1e02..ec09d566e1 100644
--- a/apps/desktop/desktop_native/core/src/biometric/macos.rs
+++ b/apps/desktop/desktop_native/core/src/biometric/macos.rs
@@ -14,7 +14,7 @@ impl super::BiometricTrait for Biometric {
         bail!("platform not supported");
     }
 
-    async fn derive_key_material(_iv_str: Option<&str>) -> Result<OsDerivedKey> {
+    fn derive_key_material(_iv_str: Option<&str>) -> Result<OsDerivedKey> {
         bail!("platform not supported");
     }
 
diff --git a/apps/desktop/desktop_native/core/src/biometric/mod.rs b/apps/desktop/desktop_native/core/src/biometric/mod.rs
index f41a319385..79be43b1bf 100644
--- a/apps/desktop/desktop_native/core/src/biometric/mod.rs
+++ b/apps/desktop/desktop_native/core/src/biometric/mod.rs
@@ -31,7 +31,7 @@ pub struct OsDerivedKey {
 pub trait BiometricTrait {
     async fn prompt(hwnd: Vec<u8>, message: String) -> Result<bool>;
     async fn available() -> Result<bool>;
-    async fn derive_key_material(secret: Option<&str>) -> Result<OsDerivedKey>;
+    fn derive_key_material(secret: Option<&str>) -> Result<OsDerivedKey>;
     async fn set_biometric_secret(
         service: &str,
         account: &str,
diff --git a/apps/desktop/desktop_native/core/src/biometric/unix.rs b/apps/desktop/desktop_native/core/src/biometric/unix.rs
index 85bbd7b2ed..e57b77515e 100644
--- a/apps/desktop/desktop_native/core/src/biometric/unix.rs
+++ b/apps/desktop/desktop_native/core/src/biometric/unix.rs
@@ -53,7 +53,7 @@ impl super::BiometricTrait for Biometric {
         Ok(false)
     }
 
-    async fn derive_key_material(challenge_str: Option<&str>) -> Result<OsDerivedKey> {
+    fn derive_key_material(challenge_str: Option<&str>) -> Result<OsDerivedKey> {
         let challenge: [u8; 16] = match challenge_str {
             Some(challenge_str) => base64_engine
                 .decode(challenge_str)?
diff --git a/apps/desktop/desktop_native/core/src/biometric/windows.rs b/apps/desktop/desktop_native/core/src/biometric/windows.rs
index a68ba397a3..632755e883 100644
--- a/apps/desktop/desktop_native/core/src/biometric/windows.rs
+++ b/apps/desktop/desktop_native/core/src/biometric/windows.rs
@@ -73,7 +73,7 @@ impl super::BiometricTrait for Biometric {
     ///
     /// Windows will only sign the challenge if the user has successfully authenticated with Windows,
     /// ensuring user presence.
-    async fn derive_key_material(challenge_str: Option<&str>) -> Result<OsDerivedKey> {
+    fn derive_key_material(challenge_str: Option<&str>) -> Result<OsDerivedKey> {
         let challenge: [u8; 16] = match challenge_str {
             Some(challenge_str) => base64_engine
                 .decode(challenge_str)?
@@ -103,7 +103,7 @@ impl super::BiometricTrait for Biometric {
 
         let done = Arc::new(AtomicBool::new(false));
         let done_clone = done.clone();
-        let focus_future = tokio::task::spawn_blocking(move || loop {
+        let focus_future = std::thread::spawn(move || loop {
             if !done_clone.load(std::sync::atomic::Ordering::Relaxed) {
                 focus_security_prompt();
                 std::thread::sleep(std::time::Duration::from_millis(500));
@@ -114,7 +114,7 @@ impl super::BiometricTrait for Biometric {
 
         let signature = async_operation.get();
         done.store(true, std::sync::atomic::Ordering::Relaxed);
-        focus_future.await?;
+        focus_future.join().unwrap();
         let signature = signature?;
 
         if signature.Status()? != KeyCredentialStatus::Success {
diff --git a/apps/desktop/desktop_native/napi/src/lib.rs b/apps/desktop/desktop_native/napi/src/lib.rs
index caf92e3131..3ceef666d8 100644
--- a/apps/desktop/desktop_native/napi/src/lib.rs
+++ b/apps/desktop/desktop_native/napi/src/lib.rs
@@ -104,7 +104,6 @@ pub mod biometrics {
     #[napi]
     pub async fn derive_key_material(iv: Option<String>) -> napi::Result<OsDerivedKey> {
         Biometric::derive_key_material(iv.as_deref())
-            .await
             .map(|k| k.into())
             .map_err(|e| napi::Error::from_reason(e.to_string()))
     }