diff --git a/hw/pci-bridge/pcie_root_port.c b/hw/pci-bridge/pcie_root_port.c
index fe3ced5685..7c3e78010b 100644
--- a/hw/pci-bridge/pcie_root_port.c
+++ b/hw/pci-bridge/pcie_root_port.c
@@ -117,7 +117,7 @@ static void rp_realize(PCIDevice *d, Error **errp)
     pcie_aer_root_init(d);
     rp_aer_vector_update(d);
 
-    if (rpc->acs_offset && !s->disable_acs) {
+    if (rpc->acs_offset) {
         pcie_acs_init(d, rpc->acs_offset);
     }
     return;
@@ -151,7 +151,6 @@ static void rp_exit(PCIDevice *d)
 static const Property rp_props[] = {
     DEFINE_PROP_BIT(COMPAT_PROP_PCP, PCIDevice, cap_present,
                     QEMU_PCIE_SLTCAP_PCP_BITNR, true),
-    DEFINE_PROP_BOOL("disable-acs", PCIESlot, disable_acs, false),
 };
 
 static void rp_instance_post_init(Object *obj)
diff --git a/include/hw/pci/pcie_port.h b/include/hw/pci/pcie_port.h
index 53cd64c5ed..b28af067a6 100644
--- a/include/hw/pci/pcie_port.h
+++ b/include/hw/pci/pcie_port.h
@@ -60,9 +60,6 @@ struct PCIESlot {
     PCIExpLinkWidth width;
     bool flitmode;
 
-    /* Disable ACS (really for a pcie_root_port) */
-    bool        disable_acs;
-
     /* Indicates whether any type of hot-plug is allowed on the slot */
     bool        hotplug;