diff --git a/include/triton/ir/instructions.h b/include/triton/ir/instructions.h
index c2d427ae8..9f4e18da8 100644
--- a/include/triton/ir/instructions.h
+++ b/include/triton/ir/instructions.h
@@ -475,6 +475,7 @@ protected:
   std::string get_eviction_policy_repr() const {
     if (eviction_ == EVICT_FIRST) return ".L1::evict_first";
     if (eviction_ == EVICT_LAST) return ".L2::evict_last";
+    return "";
   }
   EVICTION_POLICY eviction_;
   CACHE_MODIFIER cache_;
diff --git a/include/triton/ir/type.h b/include/triton/ir/type.h
index 16a81cb5f..2c9d25294 100644
--- a/include/triton/ir/type.h
+++ b/include/triton/ir/type.h
@@ -21,7 +21,6 @@ class type {
 public:
   typedef std::vector<unsigned>	         block_shapes_t;
 
-protected:
   typedef std::vector<type*>                  contained_tys_vec_t;
   typedef contained_tys_vec_t::iterator       ty_iterator;
   typedef contained_tys_vec_t::const_iterator const_ty_iterator;