diff --git a/src/auth.rs b/src/auth.rs
index 1a602a5c..a4a0b22c 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -1174,7 +1174,7 @@ impl AuthTokens {
 
         let access_claims = LoginJwtClaims::default(device, user, &sub, client_id);
 
-        let validity = if DeviceType::is_mobile(&device.atype) {
+        let validity = if device.is_mobile() {
             *MOBILE_REFRESH_VALIDITY
         } else {
             *DEFAULT_REFRESH_VALIDITY
diff --git a/src/db/models/device.rs b/src/db/models/device.rs
index 91cc1e18..005d942d 100644
--- a/src/db/models/device.rs
+++ b/src/db/models/device.rs
@@ -70,6 +70,10 @@ impl Device {
     pub fn is_cli(&self) -> bool {
         matches!(DeviceType::from_i32(self.atype), DeviceType::WindowsCLI | DeviceType::MacOsCLI | DeviceType::LinuxCLI)
     }
+
+    pub fn is_mobile(&self) -> bool {
+        matches!(DeviceType::from_i32(self.atype), DeviceType::Android | DeviceType::Ios)
+    }
 }
 
 pub struct DeviceWithAuthRequest {
@@ -353,10 +357,6 @@ impl DeviceType {
             _ => DeviceType::UnknownBrowser,
         }
     }
-
-    pub fn is_mobile(value: &i32) -> bool {
-        *value == DeviceType::Android as i32 || *value == DeviceType::Ios as i32
-    }
 }
 
 #[derive(