diff --git a/src/llama-graph.h b/src/llama-graph.h
index 5f5846ab7a..329461a1d0 100644
--- a/src/llama-graph.h
+++ b/src/llama-graph.h
@@ -243,7 +243,7 @@ public:
         cparams(cparams),
         kv_state(kv_state) {
     }
-    virtual ~llm_graph_input_attn_kv_unified() = default;
+    ~llm_graph_input_attn_kv_unified() = default;
 
     void set_input(const llama_ubatch * ubatch) override;