diff --git a/otherarch/sdcpp/ggml_extend.hpp b/otherarch/sdcpp/ggml_extend.hpp
index 5f902e355..3f1b4d710 100644
--- a/otherarch/sdcpp/ggml_extend.hpp
+++ b/otherarch/sdcpp/ggml_extend.hpp
@@ -878,11 +878,11 @@ public:
             ggml_backend_cpu_set_n_threads(backend, n_threads);
         }
 
-#ifdef SD_USE_METAL
-        if (ggml_backend_is_metal(backend)) {
-            ggml_backend_metal_set_n_cb(backend, n_threads);
-        }
-#endif
+// #ifdef SD_USE_METAL
+//         if (ggml_backend_is_metal(backend)) {
+//             ggml_backend_metal_set_n_cb(backend, n_threads);
+//         }
+// #endif
 
         ggml_backend_graph_compute(backend, gf);
 
diff --git a/otherarch/whispercpp/whisper.cpp b/otherarch/whispercpp/whisper.cpp
index 12452ada0..fcbeb1487 100644
--- a/otherarch/whispercpp/whisper.cpp
+++ b/otherarch/whispercpp/whisper.cpp
@@ -183,11 +183,11 @@ static bool ggml_graph_compute_helper(
     if (ggml_backend_is_cpu(backend)) {
         ggml_backend_cpu_set_n_threads(backend, n_threads);
     }
-#ifdef GGML_USE_METAL
-    if (ggml_backend_is_metal(backend)) {
-        ggml_backend_metal_set_n_cb(backend, n_threads);
-    }
-#endif
+// #ifdef GGML_USE_METAL
+//     if (ggml_backend_is_metal(backend)) {
+//         ggml_backend_metal_set_n_cb(backend, n_threads);
+//     }
+// #endif
     return ggml_backend_graph_compute(backend, graph) == GGML_STATUS_SUCCESS;
 }