diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 6990bce3bb..2240421980 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -295,32 +295,42 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
         /* Sort the smmu idmap by input_base */
         g_array_sort(smmu_idmaps, iort_idmap_compare);
 
-        /*
-         * Split the whole RIDs by mapping from RC to SMMU,
-         * build the ID mapping from RC to ITS directly.
-         */
-        for (i = 0; i < smmu_idmaps->len; i++) {
-            idmap = &g_array_index(smmu_idmaps, AcpiIortIdMapping, i);
+        nb_nodes = 2; /* RC and SMMUv3 */
+        rc_mapping_count = smmu_idmaps->len;
+
+        if (vms->its) {
+            /*
+             * Split the whole RIDs by mapping from RC to SMMU,
+             * build the ID mapping from RC to ITS directly.
+             */
+            for (i = 0; i < smmu_idmaps->len; i++) {
+                idmap = &g_array_index(smmu_idmaps, AcpiIortIdMapping, i);
+
+                if (next_range.input_base < idmap->input_base) {
+                    next_range.id_count = idmap->input_base - next_range.input_base;
+                    g_array_append_val(its_idmaps, next_range);
+                }
+
+                next_range.input_base = idmap->input_base + idmap->id_count;
+            }
 
-            if (next_range.input_base < idmap->input_base) {
-                next_range.id_count = idmap->input_base - next_range.input_base;
+            /* Append the last RC -> ITS ID mapping */
+            if (next_range.input_base < 0x10000) {
+                next_range.id_count = 0x10000 - next_range.input_base;
                 g_array_append_val(its_idmaps, next_range);
             }
 
-            next_range.input_base = idmap->input_base + idmap->id_count;
+            nb_nodes++; /* ITS */
+            rc_mapping_count += its_idmaps->len;
         }
-
-        /* Append the last RC -> ITS ID mapping */
-        if (next_range.input_base < 0x10000) {
-            next_range.id_count = 0x10000 - next_range.input_base;
-            g_array_append_val(its_idmaps, next_range);
-        }
-
-        nb_nodes = 3; /* RC, ITS, SMMUv3 */
-        rc_mapping_count = smmu_idmaps->len + its_idmaps->len;
     } else {
-        nb_nodes = 2; /* RC, ITS */
-        rc_mapping_count = 1;
+        if (vms->its) {
+            nb_nodes = 2; /* RC and ITS */
+            rc_mapping_count = 1; /* Direct map to ITS */
+        } else {
+            nb_nodes = 1; /* RC only */
+            rc_mapping_count = 0; /* No output mapping */
+        }
     }
     /* Number of IORT Nodes */
     build_append_int_noprefix(table_data, nb_nodes, 4);
@@ -329,31 +339,43 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
     build_append_int_noprefix(table_data, IORT_NODE_OFFSET, 4);
     build_append_int_noprefix(table_data, 0, 4); /* Reserved */
 
-    /* Table 12 ITS Group Format */
-    build_append_int_noprefix(table_data, 0 /* ITS Group */, 1); /* Type */
-    node_size =  20 /* fixed header size */ + 4 /* 1 GIC ITS Identifier */;
-    build_append_int_noprefix(table_data, node_size, 2); /* Length */
-    build_append_int_noprefix(table_data, 1, 1); /* Revision */
-    build_append_int_noprefix(table_data, id++, 4); /* Identifier */
-    build_append_int_noprefix(table_data, 0, 4); /* Number of ID mappings */
-    build_append_int_noprefix(table_data, 0, 4); /* Reference to ID Array */
-    build_append_int_noprefix(table_data, 1, 4); /* Number of ITSs */
-    /* GIC ITS Identifier Array */
-    build_append_int_noprefix(table_data, 0 /* MADT translation_id */, 4);
+    if (vms->its) {
+        /* Table 12 ITS Group Format */
+        build_append_int_noprefix(table_data, 0 /* ITS Group */, 1); /* Type */
+        node_size =  20 /* fixed header size */ + 4 /* 1 GIC ITS Identifier */;
+        build_append_int_noprefix(table_data, node_size, 2); /* Length */
+        build_append_int_noprefix(table_data, 1, 1); /* Revision */
+        build_append_int_noprefix(table_data, id++, 4); /* Identifier */
+        build_append_int_noprefix(table_data, 0, 4); /* Number of ID mappings */
+        build_append_int_noprefix(table_data, 0, 4); /* Reference to ID Array */
+        build_append_int_noprefix(table_data, 1, 4); /* Number of ITSs */
+        /* GIC ITS Identifier Array */
+        build_append_int_noprefix(table_data, 0 /* MADT translation_id */, 4);
+    }
 
     if (vms->iommu == VIRT_IOMMU_SMMUV3) {
         int irq =  vms->irqmap[VIRT_SMMU] + ARM_SPI_BASE;
-
+        int num_id_mappings, offset_to_id_array;
+
+        if (vms->its) {
+            num_id_mappings = 1; /* ITS Group node */
+            offset_to_id_array = SMMU_V3_ENTRY_SIZE; /* Just after the header */
+        } else {
+            num_id_mappings = 0; /* No ID mappings */
+            offset_to_id_array = 0; /* No ID mappings array */
+        }
         smmu_offset = table_data->len - table.table_offset;
         /* Table 9 SMMUv3 Format */
         build_append_int_noprefix(table_data, 4 /* SMMUv3 */, 1); /* Type */
-        node_size =  SMMU_V3_ENTRY_SIZE + ID_MAPPING_ENTRY_SIZE;
+        node_size =  SMMU_V3_ENTRY_SIZE +
+                     (ID_MAPPING_ENTRY_SIZE * num_id_mappings);
         build_append_int_noprefix(table_data, node_size, 2); /* Length */
         build_append_int_noprefix(table_data, 4, 1); /* Revision */
         build_append_int_noprefix(table_data, id++, 4); /* Identifier */
-        build_append_int_noprefix(table_data, 1, 4); /* Number of ID mappings */
+        /* Number of ID mappings */
+        build_append_int_noprefix(table_data, num_id_mappings, 4);
         /* Reference to ID Array */
-        build_append_int_noprefix(table_data, SMMU_V3_ENTRY_SIZE, 4);
+        build_append_int_noprefix(table_data, offset_to_id_array, 4);
         /* Base address */
         build_append_int_noprefix(table_data, vms->memmap[VIRT_SMMU].base, 8);
         /* Flags */
@@ -370,8 +392,10 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
         /* DeviceID mapping index (ignored since interrupts are GSIV based) */
         build_append_int_noprefix(table_data, 0, 4);
 
-        /* output IORT node is the ITS group node (the first node) */
-        build_iort_id_mapping(table_data, 0, 0x10000, IORT_NODE_OFFSET);
+        if (vms->its) {
+            /* Output IORT node is the ITS Group node (the first node). */
+            build_iort_id_mapping(table_data, 0, 0x10000, IORT_NODE_OFFSET);
+        }
     }
 
     /* Table 17 Root Complex Node */
@@ -415,20 +439,24 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
                                   range->id_count, smmu_offset);
         }
 
-        /* Map DeviceIDs (input) from SMMUv3 to ITS Group nodes: SMMU -> ITS. */
-        for (i = 0; i < its_idmaps->len; i++) {
-            range = &g_array_index(its_idmaps, AcpiIortIdMapping, i);
-            /* Output IORT node is the ITS Group node (the first node). */
-            build_iort_id_mapping(table_data, range->input_base,
-                                  range->id_count, IORT_NODE_OFFSET);
+        if (vms->its) {
+            /* Map DeviceIDs (input) from SMMUv3 to ITS Group nodes: SMMU -> ITS. */
+            for (i = 0; i < its_idmaps->len; i++) {
+                range = &g_array_index(its_idmaps, AcpiIortIdMapping, i);
+                /* Output IORT node is the ITS Group node (the first node). */
+                build_iort_id_mapping(table_data, range->input_base,
+                                      range->id_count, IORT_NODE_OFFSET);
+            }
         }
     } else {
-        /*
-         * Map bypassed RIDs (input) (don't go through the SMMU) to ITS Group
-         * nodes: RC -> ITS.
-         * Output IORT node is the ITS Group node (the first node).
-         */
-        build_iort_id_mapping(table_data, 0, 0x10000, IORT_NODE_OFFSET);
+        if (vms->its) {
+            /*
+             * Map bypassed RIDs (input) (don't go through the SMMU) to ITS Group
+             * nodes: RC -> ITS.
+             * Output IORT node is the ITS Group node (the first node).
+             */
+            build_iort_id_mapping(table_data, 0, 0x10000, IORT_NODE_OFFSET);
+        }
     }
 
     acpi_table_end(linker, &table);
@@ -741,18 +769,20 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
                                           memmap[VIRT_HIGH_GIC_REDIST2].size);
         }
 
-        /*
-         * ACPI spec, Revision 6.0 Errata A
-         * (original 6.0 definition has invalid Length)
-         * 5.2.12.18 GIC ITS Structure
-         */
-        build_append_int_noprefix(table_data, 0xF, 1);  /* Type */
-        build_append_int_noprefix(table_data, 20, 1);   /* Length */
-        build_append_int_noprefix(table_data, 0, 2);    /* Reserved */
-        build_append_int_noprefix(table_data, 0, 4);    /* GIC ITS ID */
-        /* Physical Base Address */
-        build_append_int_noprefix(table_data, memmap[VIRT_GIC_ITS].base, 8);
-        build_append_int_noprefix(table_data, 0, 4);    /* Reserved */
+        if (vms->its) {
+            /*
+             * ACPI spec, Revision 6.0 Errata A
+             * (original 6.0 definition has invalid Length)
+             * 5.2.12.18 GIC ITS Structure
+             */
+            build_append_int_noprefix(table_data, 0xF, 1);  /* Type */
+            build_append_int_noprefix(table_data, 20, 1);   /* Length */
+            build_append_int_noprefix(table_data, 0, 2);    /* Reserved */
+            build_append_int_noprefix(table_data, 0, 4);    /* GIC ITS ID */
+            /* Physical Base Address */
+            build_append_int_noprefix(table_data, memmap[VIRT_GIC_ITS].base, 8);
+            build_append_int_noprefix(table_data, 0, 4);    /* Reserved */
+        }
     } else {
         const uint16_t spi_base = vms->irqmap[VIRT_GIC_V2M] + ARM_SPI_BASE;
 
diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h
index dfb8523c8b..a88198d5c2 100644
--- a/tests/qtest/bios-tables-test-allowed-diff.h
+++ b/tests/qtest/bios-tables-test-allowed-diff.h
@@ -1 +1,3 @@
 /* List of comma-separated changed AML files to ignore */
+"tests/data/acpi/aarch64/virt/APIC.its_off",
+"tests/data/acpi/aarch64/virt/IORT.its_off",
