diff --git a/test/unit/lib/nvme/nvme.c/nvme_ut.c b/test/unit/lib/nvme/nvme.c/nvme_ut.c
index 7cf01ea40..c74db76c1 100644
--- a/test/unit/lib/nvme/nvme.c/nvme_ut.c
+++ b/test/unit/lib/nvme/nvme.c/nvme_ut.c
@@ -691,6 +691,8 @@ test_nvme_allocate_request_user_copy(void)
 	/* put a dummy on the queue */
 	STAILQ_INSERT_HEAD(&qpair.free_req, &dummy_req, stailq);
 
+	MOCK_CLEAR(spdk_dma_malloc)
+	MOCK_CLEAR(spdk_dma_zmalloc)
 	req = nvme_allocate_request_user_copy(&qpair, buffer, payload_size, cb_fn,
 					      cb_arg, host_to_controller);
 	SPDK_CU_ASSERT_FATAL(req != NULL);
diff --git a/test/unit/lib/nvme/nvme_ctrlr.c/nvme_ctrlr_ut.c b/test/unit/lib/nvme/nvme_ctrlr.c/nvme_ctrlr_ut.c
index 0bf228b19..1fa22dc91 100644
--- a/test/unit/lib/nvme/nvme_ctrlr.c/nvme_ctrlr_ut.c
+++ b/test/unit/lib/nvme/nvme_ctrlr.c/nvme_ctrlr_ut.c
@@ -1610,6 +1610,8 @@ test_spdk_nvme_ctrlr_doorbell_buffer_config(void)
 	ctrlr.cdata.oacs.doorbell_buffer_config = 1;
 	ctrlr.trid.trtype = SPDK_NVME_TRANSPORT_PCIE;
 	ctrlr.page_size = 0x1000;
+	MOCK_CLEAR(spdk_dma_malloc)
+	MOCK_CLEAR(spdk_dma_zmalloc)
 	ret = nvme_ctrlr_set_doorbell_buffer_config(&ctrlr);
 	CU_ASSERT(ret == 0);
 	nvme_ctrlr_free_doorbell_buffer(&ctrlr);