diff --git a/apple/iOS/bluetooth/btdynamic.c b/apple/iOS/bluetooth/btdynamic.c
index 622696fcc8..e5d13aba8f 100644
--- a/apple/iOS/bluetooth/btdynamic.c
+++ b/apple/iOS/bluetooth/btdynamic.c
@@ -157,8 +157,3 @@ void btstack_set_poweron(bool on)
       btstack_thread = NULL;
    }
 }
-
-bool btstack_is_running(void)
-{
-   return btstack_thread;
-}
diff --git a/apple/iOS/bluetooth/btdynamic.h b/apple/iOS/bluetooth/btdynamic.h
index 766ced1f72..26ba623c9a 100644
--- a/apple/iOS/bluetooth/btdynamic.h
+++ b/apple/iOS/bluetooth/btdynamic.h
@@ -22,7 +22,6 @@
 
 bool btstack_try_load(void);
 void btstack_set_poweron(bool on);
-bool btstack_is_running(void);
 
 #ifndef BUILDING_BTDYNAMIC
 #define BTDIMPORT extern