diff --git a/libs/hbb_common/src/platform/mod.rs b/libs/hbb_common/src/platform/mod.rs
index d01333558..5dc004a81 100644
--- a/libs/hbb_common/src/platform/mod.rs
+++ b/libs/hbb_common/src/platform/mod.rs
@@ -79,9 +79,3 @@ where
         libc::signal(libc::SIGSEGV, breakdown_signal_handler as _);
     }
 }
-
-#[cfg(any(target_os = "android", target_os = "ios"))]
-#[inline]
-fn is_prelogin() -> bool {
-    false
-}
diff --git a/src/platform/mod.rs b/src/platform/mod.rs
index 7bb503fdd..7b4f9c78e 100644
--- a/src/platform/mod.rs
+++ b/src/platform/mod.rs
@@ -128,6 +128,12 @@ impl Drop for InstallingService {
     }
 }
 
+#[cfg(any(target_os = "android", target_os = "ios"))]
+#[inline]
+fn is_prelogin() -> bool {
+    false
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;