diff --git a/hypervisor/common/io_request.c b/hypervisor/common/io_request.c
index 970bc2dbb..4b9eaeb0c 100644
--- a/hypervisor/common/io_request.c
+++ b/hypervisor/common/io_request.c
@@ -100,105 +100,3 @@ acrn_insert_request_wait(struct vcpu *vcpu, struct io_request *io_req)
 
 	return 0;
 }
-
-#ifdef HV_DEBUG
-static void local_get_req_info_(struct vhm_request *req, int *id, char *type,
-	char *state, char *dir, uint64_t *addr, uint64_t *val)
-{
-	(void)strcpy_s(dir, 16U, "NONE");
-	*addr = 0UL;
-	*val = 0UL;
-	*id = req->client;
-
-	switch (req->type) {
-	case REQ_PORTIO:
-		(void)strcpy_s(type, 16U, "PORTIO");
-		if (req->reqs.pio.direction == REQUEST_READ) {
-			(void)strcpy_s(dir, 16U, "READ");
-		} else {
-			(void)strcpy_s(dir, 16U, "WRITE");
-		}
-		*addr = req->reqs.pio.address;
-		*val = req->reqs.pio.value;
-		break;
-	case REQ_MMIO:
-	case REQ_WP:
-		(void)strcpy_s(type, 16U, "MMIO/WP");
-		if (req->reqs.mmio.direction == REQUEST_READ) {
-			(void)strcpy_s(dir, 16U, "READ");
-		} else {
-			(void)strcpy_s(dir, 16U, "WRITE");
-		}
-		*addr = req->reqs.mmio.address;
-		*val = req->reqs.mmio.value;
-		break;
-		break;
-	default:
-		(void)strcpy_s(type, 16U, "UNKNOWN");
-	}
-
-	switch (req->processed) {
-	case REQ_STATE_COMPLETE:
-		(void)strcpy_s(state, 16U, "COMPLETE");
-		break;
-	case REQ_STATE_PENDING:
-		(void)strcpy_s(state, 16U, "PENDING");
-		break;
-	case REQ_STATE_PROCESSING:
-		(void)strcpy_s(state, 16U, "PROCESS");
-		break;
-	case REQ_STATE_FREE:
-		(void)strcpy_s(state, 16U, "FREE");
-		break;
-	default:
-		(void)strcpy_s(state, 16U,  "UNKNOWN");
-	}
-}
-
-void get_req_info(char *str_arg, int str_max)
-{
-	char *str = str_arg;
-	uint32_t i;
-	int32_t len, size = str_max, client_id;
-	union vhm_request_buffer *req_buf;
-	struct vhm_request *req;
-	char type[16], state[16], dir[16];
-	uint64_t addr, val;
-	struct list_head *pos;
-	struct vm *vm;
-
-	len = snprintf(str, size,
-		"\r\nVM\tVCPU\tCID\tTYPE\tSTATE\tDIR\tADDR\t\t\tVAL");
-	size -= len;
-	str += len;
-
-	spinlock_obtain(&vm_list_lock);
-	list_for_each(pos, &vm_list) {
-		vm = list_entry(pos, struct vm, list);
-		req_buf = (union vhm_request_buffer *)vm->sw.io_shared_page;
-		if (req_buf != NULL) {
-			for (i = 0U; i < VHM_REQUEST_MAX; i++) {
-				req = req_buf->req_queue + i;
-				if (req->valid != 0) {
-					local_get_req_info_(req, &client_id, type,
-						state, dir, &addr, &val);
-					len = snprintf(str, size,
-						"\r\n%d\t%d\t%d\t%s\t%s\t%s",
-						vm->vm_id, i, client_id, type,
-						state, dir);
-					size -= len;
-					str += len;
-
-					len = snprintf(str, size,
-						"\t0x%016llx\t0x%016llx",
-						addr, val);
-					size -= len;
-					str += len;
-				}
-			}
-		}
-	}
-	spinlock_release(&vm_list_lock);
-	snprintf(str, size, "\r\n");
-}
-#endif /* HV_DEBUG */
diff --git a/hypervisor/include/arch/x86/guest/guest.h b/hypervisor/include/arch/x86/guest/guest.h
index 1c53d9f1f..f2d41f4bc 100644
--- a/hypervisor/include/arch/x86/guest/guest.h
+++ b/hypervisor/include/arch/x86/guest/guest.h
@@ -142,10 +142,6 @@ int copy_to_gva(struct vcpu *vcpu, void *h_ptr, uint64_t gva,
 uint64_t create_guest_init_gdt(struct vm *vm, uint32_t *limit);
 extern uint8_t vm0_boot_context;
 
-#ifdef HV_DEBUG
-void get_req_info(char *str_arg, int str_max);
-#endif /* HV_DEBUG */
-
 #endif	/* !ASSEMBLER */
 
 #endif /* GUEST_H*/