diff --git a/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.c b/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.c
index 53c768167d..db1532f109 100644
--- a/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.c
+++ b/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.c
@@ -266,14 +266,10 @@ DriverInitialize (
   VOID       *Registration;
 
   //
-  // If the PCI Bus driver is not supposed to allocate resources, then it makes
-  // no sense to install a protocol that influences the resource allocation.
+  // If there is no 64-bit PCI MMIO aperture, then 64-bit MMIO BARs have to be
+  // allocated under 4 GB unconditionally.
   //
-  // Similarly, if there is no 64-bit PCI MMIO aperture, then 64-bit MMIO BARs
-  // have to be allocated under 4 GB unconditionally.
-  //
-  if (PcdGetBool (PcdPciDisableBusEnumeration) ||
-      PcdGet64 (PcdPciMmio64Size) == 0) {
+  if (PcdGet64 (PcdPciMmio64Size) == 0) {
     return EFI_UNSUPPORTED;
   }
 
diff --git a/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf b/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
index f08b6f4bd4..c3e6bb9447 100644
--- a/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
+++ b/OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
@@ -20,7 +20,6 @@
   IncompatiblePciDeviceSupport.c
 
 [Packages]
-  MdeModulePkg/MdeModulePkg.dec
   MdePkg/MdePkg.dec
   OvmfPkg/OvmfPkg.dec
 
@@ -36,7 +35,6 @@
   gEfiLegacyBiosProtocolGuid                   ## NOTIFY
 
 [Pcd]
-  gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration ## CONSUMES
   gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size                ## CONSUMES
 
 [Depex]