diff --git a/ggml/src/ggml-backend.cpp b/ggml/src/ggml-backend.cpp
index 71d825a5ad..2ae6b10137 100644
--- a/ggml/src/ggml-backend.cpp
+++ b/ggml/src/ggml-backend.cpp
@@ -2038,7 +2038,7 @@ ggml_backend_sched_t ggml_backend_sched_new(
     GGML_ASSERT(n_backends <= GGML_SCHED_MAX_BACKENDS);
     GGML_ASSERT(ggml_backend_dev_type(ggml_backend_get_device(backends[n_backends - 1])) == GGML_BACKEND_DEVICE_TYPE_CPU);
 
-    struct ggml_backend_sched * sched = (ggml_backend_sched *) calloc(1, sizeof(struct ggml_backend_sched));
+    struct ggml_backend_sched * sched = new ggml_backend_sched{};
 
     const char * GGML_SCHED_DEBUG = getenv("GGML_SCHED_DEBUG");
     sched->debug = GGML_SCHED_DEBUG ? atoi(GGML_SCHED_DEBUG) : 0;
@@ -2170,7 +2170,7 @@ void ggml_backend_sched_free(ggml_backend_sched_t sched) {
     free(sched->context_buffer);
     free(sched->graph.nodes);
     free(sched->graph.leafs);
-    free(sched);
+    delete sched;
 }
 
 void ggml_backend_sched_reset(ggml_backend_sched_t sched) {