diff --git a/modules/cas_cache/ocf_env.h b/modules/cas_cache/ocf_env.h
index 8d17ee1..21a6b81 100644
--- a/modules/cas_cache/ocf_env.h
+++ b/modules/cas_cache/ocf_env.h
@@ -269,8 +269,9 @@ static inline int env_rwsem_is_locked(env_rwsem *s)
 	return rwsem_is_locked(&s->sem);
 }
 
-static inline void env_rwsem_destroy(env_rwsem *s)
+static inline int env_rwsem_destroy(env_rwsem *s)
 {
+	return 0;
 }
 
 /* *** COMPLETION *** */