diff --git a/src/core/hle/service/apt.h b/src/core/hle/service/apt.h
index 9f0245cc8..889b12711 100644
--- a/src/core/hle/service/apt.h
+++ b/src/core/hle/service/apt.h
@@ -34,8 +34,6 @@ public:
 
 private:
 
-    Syscall::Result GetLockHandle();
-
     DISALLOW_COPY_AND_ASSIGN(Interface);
 };