diff --git a/ggml_extend.hpp b/ggml_extend.hpp
index 5f1db91..4aea858 100644
--- a/ggml_extend.hpp
+++ b/ggml_extend.hpp
@@ -1174,11 +1174,6 @@ 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
         ggml_backend_graph_compute(backend, gf);
 #ifdef GGML_PERF
         ggml_graph_print(gf);
diff --git a/stable-diffusion.cpp b/stable-diffusion.cpp
index e62b2ca..7025df8 100644
--- a/stable-diffusion.cpp
+++ b/stable-diffusion.cpp
@@ -165,7 +165,7 @@ public:
 #endif
 #ifdef SD_USE_METAL
         LOG_DEBUG("Using Metal backend");
-        ggml_backend_metal_log_set_callback(ggml_log_callback_default, nullptr);
+        ggml_log_set(ggml_log_callback_default, nullptr);
         backend = ggml_backend_metal_init();
 #endif
 #ifdef SD_USE_VULKAN
diff --git a/upscaler.cpp b/upscaler.cpp
index 1cf34c1..86e5e9b 100644
--- a/upscaler.cpp
+++ b/upscaler.cpp
@@ -21,7 +21,7 @@ struct UpscalerGGML {
 #endif
 #ifdef SD_USE_METAL
         LOG_DEBUG("Using Metal backend");
-        ggml_backend_metal_log_set_callback(ggml_log_callback_default, nullptr);
+        ggml_log_set(ggml_log_callback_default, nullptr);
         backend = ggml_backend_metal_init();
 #endif
 #ifdef SD_USE_VULKAN